No Reserve Price Blue Sapphire - 2.11 ct - No laboratory report
Gemstone Auction (Certified Gemologists)
12.22 ct - Light caramel Grossular Garnet - no reserve price - 12.22 ct
Noble Opal - 2.23 ct
Blue Topaz - 24.99 ct - Certified Gemologist
No Reserve Price - 44 pcs Pink Ruby - 3.78 ct - No laboratory report
Paraiba Tourmaline - 0.65 ct
No Reserve Price - 8 pcs Tanzanite - 4.05 ct - No laboratory report
No Reserve Price - 2 pcs Beryl - 4.10 ct - Certified Gemologist - superb intense golden
- Play of colour Opal - 6.64 ct
No Reserve Price - 6 pcs Tourmaline - 4.01 ct - No laboratory report
Blue Tanzanite - 1.10 ct
12 pcs Green Tourmaline - 3.96 ct - No laboratory report - fine colour quality
Citrine - 20.87 ct - Certified Gemologist - Special Cut
10 pcs - No Reserve - Sapphire - 3.15 ct
Gray Spinel - 1.61 ct
No Reserve Price Sapphire - 1.66 ct - Certified Gemologist
Tourmaline - 6.27 ct - No laboratory report
15 pcs Blue Sapphire - 4.00 ct - No laboratory report
Fluorite - 15.58 ct - Certified Gemologist
No Reserve Price - 22 pcs Amethyst - 35.54 ct - No laboratory report
No Reserve Price - 20 pcs Sapphire - 4.28 ct - No laboratory report
9 pcs Strawberry Quartz - 27.74 ct
13 pcs Garnet - 2.14 ct - Certified Gemologist - Grossular Mint Garnet
Blue, Violet Tanzanite - 1.05 ct - No laboratory report
No Reserve Price Green Sapphire - 1.43 ct - No laboratory report
Amethyst - 15.84 ct - Certified Gemologist - Special Cut
London Blue Topaz - 10.48 ct
No Reserve Price - 22 pcs Sapphire - 3.63 ct - No laboratory report
Amethyst - 50.57 ct
No Reserve Price - 6 pcs Peridot - 3.81 ct - No laboratory report
12 pcs Blue Aquamarine - 6.96 ct - No laboratory report
Tanzanite - 1.13 ct - Certified Gemologist
London Blue Topaz - 9.34 ct
No Reserve Price - 8 pcs Tourmaline - 4.55 ct - No laboratory report
5 pcs 34.17 ct - Amethyst - no reserve price - 34.17 ct
No Reserve Price Green, Yellow Sapphire - 0.93 ct - No laboratory report
36 pcs No Reserve - Amethyst - 32.86 ct
Orange Citrine - 27.28 ct - No laboratory report
No Reserve Price Kyanite - 3.08 ct - Certified Gemologist
Beryl - 1.43 ct - No laboratory report
Red Garnet - 1.83 ct - No laboratory report
No Reserve Price - 30 pcs Red Garnet - 22.28 ct - No laboratory report
No Reserve Price - 2 pcs Amethyst - 29.64 ct - Certified Gemologist - shiny and bright
No Reserve Price Blue Sapphire - 0.68 ct - No laboratory report
10 pcs Blue Aquamarine - 4.64 ct - No laboratory report
No Reserve Price - 8 pcs Aquamarine - 8.00 ct - No laboratory report
No Reserve Price Green Sapphire - 0.66 ct - No laboratory report
No Reserve Price Green Tourmaline - 1.90 ct - No laboratory report - fine colour quality
No Reserve Price - 10 pcs Sapphire - 1.57 ct - Certified Gemologist - precious navy blue
No Reserve Price - 2 pcs Blue Aquamarine - 3.43 ct - No laboratory report
No Reserve Price Zircon - 1.59 ct - No laboratory report
12 pcs - No Reserve - Sapphire - 1.75 ct
No Reserve Price Blue, Green Tourmaline - 2.17 ct - No laboratory report
Green fluorite - no reserve price - 18.76 ct
No Reserve Price - 1 pcs Multicolour Opal - 3.93 ct - No laboratory report
No Reserve Price - 10 pcs Opal - 5.83 ct - No Certification
No Reserve Price Blue Aquamarine - 6.23 ct - No laboratory report
No Reserve Price Kyanite - 2.77 ct - Certified Gemologist
No Reserve Price Purple Amethyst - 20.94 ct - No laboratory report
No Reserve Price Pink, Purple Sapphire - 0.52 ct - No laboratory report
No Reserve Price - 1 pcs Multicolour Opal - 1.48 ct - No laboratory report
No Reserve Price - 30 pcs Opal - 3.75 ct - No Certification
No Reserve Price - 10 pcs Aquamarine - 4.69 ct - Certified Gemologist
No Reserve Price - 1 pcs Multicolour Opal - 3.50 ct - No laboratory report
No Reserve Price - 4 pcs Green Emerald - 0.66 ct - No laboratory report
Chromiferous kyanite - no reserve price - 4.37 ct
No Reserve Price - 2 pcs Peridot - 2.96 ct - No laboratory report
No Reserve Price Pink, Purple Rhodolite - 2.66 ct - No laboratory report
No Reserve, orangy pink Morganite - 1.35 ct
22.04 ct - Large black star diopside - Black star - no reserve price - 22.04 ct
No Reserve Price Blue Tourmaline - 0.83 ct - No laboratory report
No Reserve Price - 4 pcs Beryl - 6.57 ct - No laboratory report
No Reserve Price - 8 pcs Zircon - 5.21 ct - Certified Gemologist
No Reserve Price - 5 pcs Green Emerald - 0.88 ct - No laboratory report
No Reserve Price - 8 pcs Garnet - 2.03 ct - Certified Gemologist - Color changing garnet
No Reserve Price Blue Aquamarine - 4.14 ct - No laboratory report
No Reserve Price - 5 pcs Green, Pink, Yellow Beryl - 2.95 ct - No laboratory report
No Reserve, yellowish green Diaspore - 3.40 ct
No Reserve Price Diaspore - 1.00 ct - Certified Gemologist
No Reserve Price - 1 pcs Multicolour Opal - 3.00 ct - No laboratory report
No Reserve Price Iolite - 2.60 ct - Certified Gemologist - superb pleochroism
No Reserve Price Sapphire - 1.23 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