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Otzera
4.04 ct Tanzanian Color-Change Sapphire — GIA Origin Report
2.08 ct Tanzanite
8.19 ctw Bicolor Tanzanite Sugarloaf Cabochon Pair
1.44 ct Tanzanite
9.65 ct Vivid Blue-Violet Tanzanite — PGS Report
6.75 ct Pear-Cut Tanzanite
1.70 ct Merelani Mint Grossular Garnet
1.29 ct Blue Sapphire — Round Mixed Cut
2.98 ct Namibian Lagoon Tourmaline
1.10 ct Emerald — Emerald Cut
1.48 ct Kenyan Tsavorite — Sugarloaf Cabochon
1.35 ct Ceylon Yellow Sapphire — Oval Mixed Cut
1.24 ct Unheated Ceylon Yellow Sapphire
15.45 ctw Brazilian Watermelon Tourmaline Pair
1.02 ct Sri Lankan Pink Sapphire — GIA Origin Report
1.71 ct Nigerian Pink Tourmaline — Radiant Cut
6.48 ct Nigerian Gray Tourmaline — Precision Round Cut
1.03 ct Unheated Sri Lankan Blue Sapphire — Oval Mixed Cut
9.05 ct Natural Nigerian Aquamarine
1.38 ct Ceylon Yellow Sapphire
2.14 ctw Matched Tsavorite Garnet Pair
8.20 ct Cambodian Blue Zircon — Oval Mixed Cut
Matched Pair of Tourmalinated Quartz Obelisks
4.22 ct Cambodian Blue Zircon — Oval Mixed Cut
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0.78 ct Natural Ruby — Geometric Modified Cut
0.79 ct Myanmar Red Spinel
0.92 ct Bright Pink Sapphire — Oval Mixed Cut
0.51 ct Natural Muzo Colombian Emerald