Tanzanite - 11.32 ct
Gemstone Auction (Certified Gemologists)
Emerald - 2.74 ct
Blue Sapphire - 2.56 ct
Noble Opal - 11.35 ct
Blue Topaz - 119.02 ct
Amethyst - 115.42 ct
Tanzanite - 5.61 ct
Yellow Sapphire - 1.72 ct
Blue Sapphire - 1.51 ct
Ruby - 2.26 ct - No laboratory report
Aquamarine - 4.54 ct
Ametrine - 39.65 ct
Tanzanite - 15.80 ct
Emerald - 1.42 ct
Blue Sapphire - 1.29 ct
Citrine - 76.28 ct
Paraiba Tourmaline - 1.14 ct
Pink Tourmaline - 1.16 ct
Tanzanite - 14.16 ct
Green Sapphire - 0.94 ct
Sapphire - 1.30 ct - No laboratory report
Bicolor Tourmaline - 2.07 ct
Blue Topaz - 115.51 ct
Pink Sapphire - 1.65 ct
Brown Sapphire - 1.36 ct
Blue Sapphire - 0.91 ct
Yellow Sapphire - 0.86 ct
Tanzanite - 3.84 ct
Tsavorite - 0.74 ct
Sapphire - 0.96 ct - No laboratory report
Bicolor Fluorite - 8.69 ct
Ruby - 0.70 ct
1 pcs Noble Opal - 2.43 ct
Kyanite - 2.62 ct
Violet Sapphire - 1.18 ct
Tanzanite - 3.87 ct
Yellow Sapphire - 0.75 ct
Emerald - 0.85 ct
Blue Sapphire - 0.88 ct
Ruby - 0.67 ct
Tourmaline Indicolite - 1.09 ct
Pink Sapphire - 1.05 ct
Tanzanite - 1.00 ct
Tsavorite - 0.56 ct
Ruby - 0.54 ct
Bicolor Tourmaline - 1.49 ct
Blue Zircon - 1.28 ct
2 pcs Quartz - 10.55 ct - No laboratory report
2 pcs London Blue Topaz - 9.84 ct
12 pcs Garnet, Hessonite - 15.06 ct - No laboratory report
2 pcs Apatite - 2.02 ct
3 pcs Ruby - 1.66 ct
7 pcs Multicolor Spinel - 2.58 ct
2 pcs Noble Opal - 2.48 ct
3 pcs London Blue Topaz - 14.92 ct
2 pcs Fire Opal - 1.80 ct - No laboratory report
3 pcs Pink Tourmaline - 2.52 ct
12 pcs Tanzanite - 5.12 ct
2 pcs Noble Opal - 2.57 ct
9 pcs Strawberry Quartz - 30.35 ct
5 pcs Tanzanite - 2.33 ct
10 pcs Multicolor Spinel - 3.95 ct
3 pcs Multicolor Sapphire - 1.76 ct
3 pcs Tsavorite - 1.55 ct
2 pcs Fire Opal - 1.70 ct - No laboratory report
9 pcs Yellow Sapphire - Brown - 2.19 ct
2 pcs Tanzanite - 2.28 ct - No laboratory report
4 pcs Tsavorite - 1.74 ct
3 pcs Pink Spinel - 2.04 ct
2 pcs Aquamarine - 3.17 ct - No laboratory report
5 pcs Multicolor Sapphire - 2.09 ct
12 pcs Tsavorite - 2.14 ct
3 pcs Tanzanite - 3.17 ct
3 pcs Paraiba Tourmaline - 1.53 ct
4 pcs Bicolor Tourmaline - 3.90 ct
2 pcs Blue Sapphire - 1.17 ct
6 pcs White Beryl - 5.51 ct
2 pcs Peridot - 4.61 ct
3 pcs Tanzanite - 2.27 ct
10 pcs Ruby - 3.74 ct
6 pcs Blue Zircon - 5.29 ct
3 pcs Emerald - 1.23 ct
6 pcs Ruby - 2.55 ct
3 pcs Multicolor Sapphire - 1.62 ct
2 pcs Emerald - 1.32 ct
3 pcs Noble Opal - 3.44 ct
5 pcs Ruby - 1.77 ct
9 pcs Multicolor Sapphire - 4.06 ct
3 pcs Noble Opal - 3.74 ct
5 pcs Multicolor Spinel - 3.60 ct
3 pcs Peridot - 5.29 ct
5 pcs Tanzanite - 2.30 ct
10 pcs Emerald - 3.65 ct
2 pcs Tanzanite - 1.93 ct
16 pcs Ruby - 4.10 ct
Blue Zircon - 1.36 ct
Noble Opal - 1.61 ct
Sapphire - 0.51 ct - No laboratory report
Tsavorite - 0.57 ct
Tanzanite - 1.02 ct
![](https://assets.catawiki.nl/assets/categories/599-08a03725294fb780ee5f8125304564e0500a6c6d-original.jpg)
This auction is part of Gemstones Certified by Gemmologists
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