Sapphire - 2.57 ct - No laboratory report
Gemstone Auction (Certified Gemologists)
Ruby - 2.85 ct - No laboratory report
Tanzanite - 9.62 ct - No laboratory report
Opal - 17.15 ct - No laboratory report
Aquamarine - 4.28 ct - No laboratory report
Amethyst - 39.45 ct - No laboratory report
Sapphire - 1.62 ct - No laboratory report
Ruby - 2.22 ct - No laboratory report
Tanzanite - 5.57 ct - No laboratory report
Citrine - 61.00 ct - No laboratory report
Topaz - 20.30 ct - No laboratory report
Sapphire - 1.05 ct - No laboratory report
Sapphire - 0.87 ct - No laboratory report
Emerald - 0.85 ct - No laboratory report
Tanzanite - 3.69 ct - No laboratory report
Tourmaline - 1.95 ct - No laboratory report
Tourmaline - 0.93 ct - No laboratory report
Garnet - 1.53 ct - No laboratory report - Color change
Sapphire - 0.97 ct - No laboratory report
Ruby - 0.78 ct - No laboratory report
Tanzanite - 9.28 ct - No laboratory report
Opal - 3.54 ct - No laboratory report
Topaz - 29.05 ct - No laboratory report
Garnet - 1.42 ct - No laboratory report
No Reserve Price - 2 pcs Topaz - 10.38 ct - No laboratory report - London Blue
4 pcs Apatite - 2.54 ct - No laboratory report
10 pcs Spinel - 4.01 ct - No laboratory report
12 pcs Tanzanite - 4.66 ct - No laboratory report
3 pcs Sapphire - 2.18 ct - No laboratory report
3 pcs Peridot - 4.93 ct - No laboratory report
3 pcs Ruby - 1.40 ct - No laboratory report
5 pcs Tanzanite - 2.22 ct - No laboratory report
2 pcs Emerald - 1.45 ct - No laboratory report
Aquamarine - 3.90 ct - No laboratory report
4 pcs Emerald - 1.63 ct - No laboratory report
Ruby - 2.93 ct - No laboratory report
2 pcs Opal - 4.65 ct - No laboratory report
9 pcs Ruby - 1.92 ct - No laboratory report
6 pcs Emerald - 2.74 ct - No laboratory report
6 pcs Sapphire - 2.74 ct - No laboratory report
3 pcs Blue Sapphire - 1.93 ct
6 pcs Sapphire - 3.00 ct - No laboratory report
2 pcs Opal - 5.65 ct - No laboratory report
3 pcs Emerald - 2.98 ct
3 pcs Tanzanite - 3.10 ct
Aquamarine - 3.69 ct - No laboratory report
2 pcs Tanzanite - 1.95 ct - No laboratory report
3 pcs Tourmaline - 3.18 ct - No laboratory report
Zircon - 1.67 ct - No laboratory report
Tanzanite - 0.99 ct - No laboratory report
![](https://assets.catawiki.nl/assets/categories/599-08a03725294fb780ee5f8125304564e0500a6c6d-original.jpg)
This auction is part of Gemstones Certified by Gemmologists
Don’t miss out on any of the auctions
Think you have the perfect object for one of our auctions?
Explore our categories
- Archaeology & Natural History
- Art
- Asian & Tribal Art
- Books & Historical Memorabilia
- Classic Cars, Motorcycles & Automobilia
- Coins & Stamps
- Comics & Animation
- Fashion
- Interiors & Decorations
- Jewellery & Precious Stones
- Music, Movies & Cameras
- Sports
- Toys & Models
- Trading Cards
- Watches, Pens & Lighters
- Wine & Whisky