4.74 ctw - 3.64ct Not-Treated Star Ruby and 1.10ct Natural Diamonds - IGI Report - 950 Platinum - Ring - 3.64 ct Star Ruby - Diamonds
IGI x Catawiki Auction: Jewellery & Precious Stones Collection
Explore a dazzling collection of diamonds and gemstones, as Catawiki teams up with the International Gemological Institute (IGI) for an exclusive offering of jewelry and precious stones. All pieces in the collection come with a certificate from IGI, the world’s largest gemological institute. An independent global leader in accreditation with best-in-class services and offerings, IGI has empowered confidence and trust in the diamond, gem, and jewelry industry since 1975.
Explore a dazzling collection of diamonds and gemstones, as Catawiki teams up with the International Gemological Institute (IGI) for an exclusive offering of jewelry and precious stones. All pieces in the collection come with a certificate from IGI, the world’s largest gemological institute. An independent global leader in accreditation with best-in-class services and offerings, IGI has empowered confidence and trust in the diamond, gem, and jewelry industry since 1975.
IGI Certificate - 14 kt. Gold, Yellow Gold - Necklace - 8.16 ct Diamond
IGI Certificate - 18 kt. Yellow gold - Ring - 0.30 ct Diamond
-- No Reserve Price -- IGI Certificate --5.02 carat-- - 18 kt. White gold - Bracelet - 5.02 ct Diamond
No Reserve Price-IGI 0.56 ct Natural Pink Diamonds Bow Tie Design Ring - 14 kt. White gold - Ring - 0.56 ct Diamond
IGI Certified 1.75 Total Carat Weight Pink and White Diamonds - 18 kt. Pink gold, White gold - Ring
1 pcs Diamond - 1.00 ct - Brilliant - F - IF (flawless)
IGI Certificate - 3.27 total carat of natural sapphire and diamonds White gold - Ring Sapphire - Diamond
IGI Certificate - 2.30 total carat weight of Diamond - 18 kt. White gold - Ring - 2.30 ct Diamond
IGI Certificate - 5.70 total ct of emerald and natural diamonds - 18 kt. White gold - Brooch Emerald - Diamond
IGI Certifcate - 1.20 total carat of natural diamonds - 18 kt. Pink gold - Ring - 1.01 ct Diamond
----No Reserve Price--- - 14 kt. White gold - Ring - Sapphires
1 pcs Diamond - 0.50 ct - Brilliant - F - IF (flawless)
1 pcs (Light Purple) Sapphire - 1.36 ct
No Reserve Price-IGI 1.03 ct Natural Pink Diamonds Hoop Earrings - 14 kt. Pink gold, White gold - Hoop earrings - 1.03 ct Diamond - IGI Certified
IGI Certificate - 2.02 total carats of natural diamonds - 18 kt. Gold - Earrings - 2.02 ct Diamond
1 pcs (Intense Greyish Purple) Spinel - 2.78 ct
1 pcs Diamond - 0.95 ct - Brilliant - F - SI2, *No Reserve Price*
2.03ct Natural Sapphire and 0.30ct Natural Diamonds - IGI Report - Platinum - Necklace with pendant - 2.03 ct Sapphire - Diamonds
IGI Certificate 1.35 ct total natural diamonds - 18 kt. Yellow gold - Ring - 1.00 ct Diamond - Diamonds
IGI Certificate - 1.48 total carat of natural diamonds - 18 kt. White gold - Necklace with pendant - 0.28 ct Diamond - Diamonds
1 pcs [Intense Yellowish Green] Apatite - 8.74 ct
1 pcs (Intense Pinkish Purple) Sapphire - 1.14 ct
IGI Certificate - 1.50 total carat of natural diamonds - 18 kt. White gold - Bracelet
IGI Certificate - .78 total carat of natural diamonds Platinum - Necklace - 0.13 ct Diamond
4.65 ctw- 3.85ct Natural Colombia Emerald and 0.80ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 3.85 ct Emerald - Diamonds
IGI Certificate - 2.85 Total carat of Sapphire and Diamond - 18 kt. White gold - Ring Sapphire - Diamond
IGI Certifcate - 1.23 total carat of natural diamonds - 18 kt. White gold - Ring - 1.01 ct Diamond
3.20 ctw - 2.10ct Natural Sapphire and 1.10ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 2.10 ct Sapphire - Diamonds
1 pcs [Bluish Violet] Tanzanite - 3.34 ct
IGI Certificate - 2.20 total carat weight of Diamonds - 18 kt. White gold - Ring - 2.20 ct Diamond
1 pcs Diamond - 1.50 ct - Brilliant, Oval - F - VVS2
9.64 ctw - 6.03ct Natural Burma Ruby Fine-Color and 3.61ct Natural Diamonds - IGI Report - 18 kt. White gold, Yellow gold - Ring - 6.03 ct Ruby - Diamonds
1 pcs [Violetish Blue] Tanzanite - 4.12 ct
3.92 ctw - 2.00ct Natural Fancy Color Diamond and 1.92ct Natural White Diamonds - IGI Report - 18 kt. Platinum, Yellow gold - Ring - 2.00 ct Diamond - Diamonds
1 pcs Color Changing - Diaspore - 6.16 ct
1 pcs Diamond - 1.08 ct - Brilliant - D (colourless) - IF (flawless), Ex Ex Ex
IGI Certificate - 14 kt. Pink gold - Ring Sapphire - Diamond
IGI Certificate - 52.80 total carat weight of Diamond and Amethyst White gold - Ring - 0.80 ct Diamond - Amethysts
Zircon - 6.34 ct
5.47 ctw- 2.71ct Natural Colombia Emerald and 2.76ct Natural Diamonds - IGI Report - 18 kt. Yellow gold - Ring - 2.71 ct Emerald - Diamonds
84.04ct Natural Star-Ruby and 0.50ct Natural Diamonds - IGI Report - 18 kt. White gold - Necklace with pendant - 84.04 ct Star Ruby - Diamonds
2.71 ctw - 1.41ct Natural Kashmir Sapphire and 1.30ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 1.41 ct Sapphire - Diamonds
Violetish Blue Sapphire - 1.68 ct
IGI Certificate - 0.54 total carat of natural diamonds - 18 kt. White gold - Ring - 0.54 ct Diamond
1 pcs [Deep Reddish Orange] Spessartite Garnet - 10.74 ct
1.89 ctw - 1.32ct Natural Vivid Sapphire and 0.57ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 1.32 ct Sapphire - Diamonds
1 pcs Diamond - 1.01 ct - Cushion - G - VVS1
Sphene - 3.59 ct
IGI Certificate - 1.54 total ct of natural diamonds - 18 kt. White gold - Ring
Zircon - 5.95 ct
1.98 ctw - 1.26ct Natural Colombia Emerald and 0.72ct Natural Diamonds - IGI Report - Platinum - Ring - 1.26 ct Emerald - Diamonds
2.39 ctw - 1.43ct Natural Rubies and 0.96ct Natural Diamonds - IGI Report - 18 kt. Yellow gold - Ring - 1.43 ct Ruby - Diamonds
1.94 ctw - 1.00ct Natural Thai Ruby and 0.94ct Natural Diamonds - IGI Report - Platinum - Ring - 1.00 ct Ruby - Diamonds
1 pcs Diamond - 0.58 ct - Brilliant - G - VS1, 3EX
(IGI Certified) - Yellowish Green changing to Brownish Red Alexandrite - 0.52 ct
1 pcs Diamond - 0.63 ct - Round - E - VVS1
Diamond - 0.50 ct - Brilliant - F - VVS1
IGI Certificate - 0.96 total carat of natural diamonds - 18 kt. White gold - Ring - 0.24 ct Diamond - Diamond
Orange, Yellow Sapphire - 1.48 ct
1.33 ctw - 0.61ct Natural Vivid Thai Ruby and 0.72ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 0.61 ct Ruby - Diamonds
IGI Certificate - 1.16 Total carat of Spinel with diamonds - 22 kt. Gold, Yellow Gold - Ring Spinel - Diamond
IGI Certificate - .76 total carat weight of Diamond - 18 kt. White gold - Ring - 0.40 ct Diamond - Diamond
3.00 ctw - 2.50ct Natural Burma Vivid Rubies and 0.50ct Natural Diamonds - IGI Report - 18 kt. Yellow gold - Ring - 2.50 ct Ruby - Diamonds
1.44ct Natural Colombia Emerald and 0.23ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 1.44 ct Emerald - Diamonds
1 pcs Diamond - 0.70 ct - Brilliant - D (colourless) - VVS1
IGI Certificate - .58 total carat weight of diamond - 18 kt. Pink gold - Ring - 0.50 ct Diamond - Diamond
1.64 ctw - 0.90ct Natural Sapphire and 0.74ct Natural Diamonds - IGI Report - Platinum - Ring - 0.90 ct Sapphire - Diamonds
1 pcs [Deep Orange] Spessartite Garnet - 10.28 ct
11.73 ctw - 11.31ct Opal, 0.24ct Rubellites, 0.07ct Topaz, 0.09ct Peridot, 0.02ct Diamonds - 18 kt. White gold - Necklace with pendant - 11.31 ct Opal - Diamonds
1 pcs (Greenish Blue) Aquamarine - 16.32 ct
1 pcs Diamond - 1.00 ct - Heart modified brilliant - F - SI2
IGI Certification - 1.70 total carat of natural diamonds - 18 kt. Pink gold - Ring - 1.50 ct Diamond
1.70 ctw - 1.07ct Not-Heated Ruby and 0.63ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 1.07 ct Ruby - Diamonds
IGI Certificate - 1.95 total carat weight of Ruby and Diamonds - 18 kt. White gold - Necklace Ruby - Diamond
Pyrope Garnet - 6.77 ct
1.77 ctw - 0.75ct Natural Burma Ruby and 1.02ct Natural Diamonds - IGI Report - 18 kt. Yellow gold - Ring - 0.75 ct Ruby - Diamonds
1 pcs Diamond - 0.50 ct - Brilliant - F - VVS1
1.24ct Natural Rubies and 0.41ct Natural Diamonds - IGI Report - 18 kt. Yellow gold - Ring - 1.24 ct Ruby - Diamonds
Tourmaline - 5.34 ct
1.76 ctw - 1.35ct Natural Sapphire and 0.41ct Natural Diamonds - IGI Report Platinum - Ring - 1.35 ct Sapphire - Diamonds
IGI Certificate - 1.90 Total carat weight of Sapphire with Diamonds - 18 kt. White gold - Ring Sapphire - Diamond
1 pcs Diamond - 0.40 ct - Brilliant - G - IF (flawless)
Deep Orangy Purple-Pink (Good color Quality) Sapphire - 2.64 ct
3.60 ctw - 2.59ct Natural Colombia Emerald and 1.01ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 2.59 ct Emerald - Diamonds
14 kt. White gold - Earrings - 2.40 ct Diamond
5.15 ctw - 4.30ct Natural Burma Vivid Rubies and 0.85ct Natural Diamonds - IGI Report - 18 kt. Yellow gold - Ring - 4.30 ct Ruby - Diamonds
IGI Certification - 1.29 total carat of natural diamonds - 18 kt. Pink gold - Ring - 1.01 ct Diamond
1 pcs [Violetish Blue] Tanzanite - 4.43 ct
1 pcs Diamond - 0.70 ct - Brilliant - F - IF (flawless)
2.39 ctw- 1.39ct Natural Colombia Emerald and 1.00ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 1.39 ct Emerald - Diamonds
1 pcs Blue Mermaid Blue Unheat Tanzanite - 16.53 ct
11.10ct Natural Star Ruby and 0.86ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 11.10 ct Star Ruby - Diamonds
Tanzanite - 2.68 ct
IGI Certificate - 1.31 total carat of natural diamonds - 18 kt. White gold - Ring - 1.01 ct Diamond - Diamond
14 kt. Gold - Necklace - 1.01 ct Diamond
Blue Green Tanzanite - 6.44 ct
1.48 ctw - 1.00ct Natural Fine-Quality Ruby and 0.48ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 1.00 ct Ruby - Diamonds
3.74 ctw - 1.35ct Natural Colombia Emerald and 2.39ct Natural Diamonds - IGI Report - 900 Platinum - Ring - 1.35 ct Emerald - Diamonds
IGI Certificate - 1.80 total carat of natural diamonds - 18 kt. Gold, Yellow Gold - Ring - 1.50 ct Diamond - Diamond
2.28 ctw - 1.01ct Natural Fine Burma Ruby and 1.27ct D-F VS Natural Diamonds - IGI Platinum - Ring - 1.01 ct Ruby - Diamonds
IGI Certificate - 1.23 total carat of natural diamonds - 18 kt. White gold - Ring - 1.01 ct Diamond - Diamond
2.96 ctw - 1.61ct Natural Vivid Sapphire and 1.35ct Natural Diamonds - IGI Report - Platinum - Ring - 1.61 ct Sapphire - Diamonds
IGI Certificate 1.5 ct total sapphires and natural diamonds - 18 kt. White gold - Ring Sapphire - Diamond
1.63 ctw - 0.91ct Natural Vivid Burma Ruby and 0.72ct Natural Diamonds - IGI Report Platinum - Ring - 0.91 ct Ruby - Diamonds
14 kt. Gold - Necklace Diamond
14 kt. Gold - Ring Diamond - Diamonds
IGI Certificate - 0.48 total carat of natural diamonds - 18 kt. White gold - Necklace with pendant - 0.30 ct Diamond - Diamonds
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