Gemstones auctions
Natural Brilliant-Cut Diamond, 3.57 ct, Gem Antwerp Certificate Natural diamond. The diamond comes with a Gem Antwerp Certificate. Gem Antwerp – an independent gemological laboratory operating in the heart of the world’s diamond capital. The diamond can serve as an investment or be set in a ring, significantly increasing its value. Diamond specifications: Weight: 3.57 CT Dimensions: 8.89 x...
Natural Fancy Color Diamond 0.40 CT P1 Gross Price: $4,797 USD Natural diamond. The diamond comes with a certificate from an appraiser and secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polis...
Natural Fancy Color Diamond 0.33 CT P1 Gross Price: $4,551 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of ...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring, which w...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring, which w...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring, which will significantly increase its value. Diamond specifications: Weight: 0.20 CT Clarity: P1 Dimensions: 3.18 x 3.18 x 2.01 mm Shape: cushion Color: Fancy Intense Brownish-Yellow
NATURAL DIAMOND 0.19 CT Si1 GROSS PRICE: 1,525 USD NATURAL DIAMOND 0.19 CT Si1 GROSS PRICE: $1,525 USD The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highl...
0.30 ct P3 diamond, gross price: $3,321 USD Diamond type: 100% Natural Certificate: Diamond Sky, Jan Karaszkiewicz (Secretary of the Polish Gemmological Society) The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones and a hi...
NATURAL DIAMOND 0.16 CT PRICE $1,046 USD (gross) Diamond Type: 100% Natural, Uncolored Certificate: Diamond Sky, Jan Karaszkiewicz (Secretary of the Polish Gemmological Society) Color: Fancy (several times more valuable than subdued white) Gross valuation: $1,046 USD Retail prices of similar diamonds at Polish jewelry stores: approx. 100% of this valuation, though prices are often even higher ...
Natural diamond. The diamond comes with a certificate from an appraiser and secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment ...
Natural Diamond 0.23 CT, High Clarity VS2, Gross Price: $2,952 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General...
Natural diamond, 0.21 ct, Very Very Slightly Included (VVS) clarity. Gross price: $1,673 USD
235 EUR
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond, 0.26 ct, Si2. Gross price: $2,399 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and se...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring, which w...
Natural diamond. The diamond comes with a certificate from an appraiser and secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an invest...
Natural diamond. The diamond comes with a certificate from an appraiser and secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment ...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring, which w...
Natural diamond.The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, issued by Diamond Sky, plus a catalog photo with a QR code.Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society.The diamond can serve as an investment or be set in a ring, ...
Natural Diamond 0.18 CT P1 GROSS PRICE: $947 USD The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones and a highly regarded diamond appraiser; he serves as Secretar...
Natural diamond. The diamond comes with a certificate from an appraiser and secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an invest...
Natural diamond. The diamond comes with a certificate from an appraiser and secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an invest...
Natural Diamond 0.20 CT Si2 Gross Price: $1,697 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmo...
Natural Diamond 0.19 CT Si2 Gross Price: $1,624 USD Natural diamond. The diamond comes with a certificate from an appraiser and secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemm...
Natural diamond, 0.25 CT, Si2, gross price: $1,943 USD Natural diamond. The diamond comes with a certificate issued by an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the...
Natural Brilliant-Cut Diamond, as much as 2.32 ct, IGI Certificate Natural diamond. The diamond comes with an IGI (International Gemological Institute) certificate. IGI is the world’s largest independent gemological institution, specializing in the certification of diamonds, gemstones, and jewelry. The diamond can serve as an investment or be set in a ring, which will significantly increase ...
Natural Diamond 0.27 CT P1 Gross Price: $1,771 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish G...
Natural diamond. The diamond comes with a certificate from an appraiser and secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an invest...
Natural Fancy Color Diamond 0.30 CT P1 Gross Appraised Value: $3,247 USD The diamond comes with a certificate issued by an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Pol...
Natural Fancy Color Diamond 0.30 CT P1 Gross Price: $3,247 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the P...
Natural Fancy Color Diamond 0.30 CT P1 Gross Price: $3,247 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of ...
Natural Fancy Color Diamond 0.31 CT P1 Gross Price: $3,321 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the P...
Natural Fancy Color Diamond 0.37 CT P1 Gross Price: $3,899 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of ...
Natural diamond, 0.16 ct, Si2; Gross price: $1,255 USD Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and se...
Natural Fancy Color Diamond, 0.25 ct, P1 Gross Price: $1,661 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond apprais...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond ca...
Natural diamond, 0.29 ct, Very High Clarity (VVs1). Gross price: $3,875 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diam...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve as an investment or be set in a ring, which w...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond ca...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural Diamond 0.27 ct P3 Gross price: $886 USD Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond can serve a...
Natural diamond, 0.26 ct, Si1. Gross price: $2,829 USD Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, a...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmologic...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond c...
A 0.27 ct natural diamond with a clarity grade of P1. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The diamond ca...
Diamond Type: 100% Natural. Certificate: Diamond Sky, Jan Karaszkiewicz (Secretary of the Polish Gemmological Society) The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded...
NATURAL Spinel 0.84 ct The spinel comes with a certificate from an appraiser of the Polish Gemmological Society—Diamond Sky, a company that has been operating on the Polish market for 30 years + Catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society...
The subject of this offer is a natural diamond. The diamond comes with a CERTIFICATE from an appraiser of the Polish Gemmological Society, issued by Diamond Sky—a company that has been operating on the Polish market for 30 years—plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary...
0.15 ct Natural Diamond P1 The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish Gemmological Society. The ...
Natural diamond. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones and a highly regarded diamond appraiser; he serves as Secretary General of the Polish Gemmolog...
Natural diamond 0.23 ct Si1 Gross price: $2,337 USD The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secreta...
Natural Spinel 0.78 ct, priced at $960 USD Natural Spinel 0.78 ct, priced at $960 USD Natural Spinel 0.78 ct The spinel comes with a certificate from an appraiser of the Polish Gemmological Society—Diamond Sky, a company that has been operating on the Polish market for 30 years + Catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diam...
Natural diamond, 0.30 ct, Si2. Gross price: $3,235 USD The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secr...
A 0.29 ct natural diamond with a clarity grade of P1. The diamond comes with a certificate from an appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secre...
Natural diamond 0.21 ct P1 Gross price: $1,328 USD Natural diamond. The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky, a company that has been operating on the Polish market for 30 years, provides a catalog photo along with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and s...
Natural Diamond 0.28 CT P1 Gross Price: $1,845 USD Natural diamond. The diamond comes with a certificate issued by an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a renowned expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish G...
NATURAL DIAMOND 0.51 ct P2 gross price: $2,214 USD Diamond Type: 100% Natural. Certificate: Diamond Sky, Jan Karaszkiewicz (Secretary of the Polish Gemmological Society) The diamond comes with a Certificate from an Appraiser of the Polish Gemmological Society; Diamond Sky has been operating on the Polish market for 30 years; plus a catalog photo with a QR code. Jan Karaszkiewicz is a distingui...
Natural diamond, 0.26 ct, P1, gross price: $1,439 USD Diamond type: 100% natural Certificate: Diamond Sky, Jan Karaszkiewicz (Secretary of the Polish Gemmological Society) The diamond comes with a certificate from an appraiser of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones...
Natural Diamond 0.22 CT P1 Gross Price: $1,402 USD Natural diamond. The diamond comes with a certificate issued by an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Pol...
Natural Diamond 0.25 CT P1 Gross Price: $1,697 USD Natural diamond. The diamond comes with a certificate from an appraiser and the Secretary of the Polish Gemmological Society, Diamond Sky, Jan Karaszkiewicz, plus a catalog photo with a QR code. Jan Karaszkiewicz is a distinguished expert on colored gemstones, a highly regarded diamond appraiser, and serves as Secretary General of the Polish G...