No Reserve Price - 1 pcs Green Emerald - 0.71 ct - GEM-TECH Istituto Gemmologico
Top Classic Gemstone Auction • No Reserve
No Reserve Price Blue Sapphire - 6.48 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
No Reserve Price - 5 pcs Spinel - 3.44 ct - Gem Report Antwerp (GRA) - Purple/Pinkish Purple
No Reserve Price Spinel - 2.20 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Purplish Pink
No Reserve Price Tanzanite - 3.55 ct - Gem Report Antwerp (GRA) - Greenish Bluish Violet
No Reserve Price Aquamarine - 9.05 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Faint Blue
No Reserve Price Green Emerald - 1.27 ct - International Gemological Institute (IGI) - Minor Oil
No Reserve Price White Opal - 3.70 ct - International Gemological Institute (IGI) - Play Of Colours
No Reserve Price Orange Spessartite - 3.40 ct - International Gemological Institute (IGI) - Garnet [Almandite]
No Reserve Price - 1 pcs Purple, Red Rhodolite - 7.47 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
No Reserve Price Spinel - 1.91 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Deep Purple Pink
No Reserve Price Spinel - 2.26 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Grayish Pinkish Purple
No Reserve Price - 1 pcs Pink, Red Ruby - 0.94 ct - GEM-TECH Istituto Gemmologico - colour: light fuchsia
No Reserve Price - 1 pcs Sapphire - 1.01 ct - ALGT (B)
No Reserve Price - 1 pcs Blue Sapphire - 1.12 ct - GEM-TECH Istituto Gemmologico
1 pcs Purple Amethyst - 18.49 ct
No Reserve Price - 2 pcs Topaz - 21.97 ct - GEM-TECH Istituto Gemmologico - Light blue
1 pcs Deep Blue Trade Color Name London Blue Topaz - 19.27 ct
No Reserve Price Emerald - 1.15 ct - Instituto Gemólogico Español (IGE)
No Reserve Price White Opal - 3.21 ct - International Gemological Institute (IGI) - Play Of Colours
No Reserve Price - 1 pcs Blue Sapphire - 1.12 ct - GEM-TECH Istituto Gemmologico
No Reserve Price Ruby - 0.66 ct - Gem Report Antwerp (GRA) - Purple Red
No Reserve Price Grandidierite - 5.60 ct - International Gemological Institute (IGI) - GRANDIDIERITE
No Reserve Price - 12 pcs Blue Sapphire - 4.81 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs Light Green Fluorite - 15.33 ct
No Reserve Price Tanzanite - 2.51 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - NATURAL TANZANITE
No Reserve Price Orange Fire Opal - 4.83 ct - International Gemological Institute (IGI)
[Light Pink] Sapphire - 1.31 ct
No Reserve Price Blue Sapphire - 1.60 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
No Reserve Price Yellow Sapphire - 1.46 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs Intense Blue Trade Color Name Swiss Blue Topaz - 31.16 ct
No Reserve Price Yellow Sapphire - 1.17 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
No Reserve Light Yellow Sapphire - 1.08 ct
No Reserve Price Green Emerald - 1.00 ct - International Gemological Institute (IGI)
No Reserve Price Spinel - 2.08 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Grayish Purple Pink
No Reserve Price Opal - 5.41 ct - International Gemological Institute (IGI) - NATURAL OPAL
No Reserve Price - 1 pcs Purple, Red Rhodolite - 4.37 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Fine Color
1 pcs (Vivid Yellow/Vivid Orange) - (Bi-Color - Optical Effect) Sphalerite - 7.24 ct
No Reserve Price Blue, Purple Tanzanite - 1.40 ct - International Gemological Institute (IGI)
No Reserve Price Spinel - 1.87 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Grayish Purple Pink
1 pcs Dark Pink-Purple Spinel - 1.14 ct
2 pcs (No Reserve) - (Violetish Blue/Pinkish Purple) (Optical Effect Color-Change Effect) Fluorite - 6.19 ct
No Reserve Price Aquamarine - 11.24 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Faint Blue
No Reserve Price Emerald - 1.60 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
No Reserve Price - 1 pcs Blue, Green Aquamarine - 3.99 ct - International Gemological Institute (IGI)
No Reserve Price Spinel - 1.07 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - NATURAL SPINEL
1 pcs Black (Brownish) Sapphire - 7.08 ct
1 pcs Purplish Blue Tanzanite - 1.64 ct
No Reserve Price Fluorite - 7.11 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - NATURAL FLUORITE
2 pcs Intense Purplish Blue Tanzanite - 1.80 ct
1 pcs Vivid Yellow Color Quality Grade Fine Color Quality Beryl - 5.25 ct
No Reserve Price - 1 pcs Green Emerald - 0.86 ct - International Gemological Institute (IGI)
No Reserve Price Fluorite - 6.99 ct - International Gemological Institute (IGI) - NATURAL FLUORITE
[Light Blue (Greenish)] Aquamarine - 8.14 ct
No Reserve Price - 1 pcs Blue Sapphire - 1.91 ct - Asian Institute of Gemological Sciences (AIGS) - NTE
no reserve - green Sapphire - 1.74 ct
No Reserve Price Hessonite - 7.80 ct - International Gemological Institute (IGI) - NATURAL GROSSULARITE
No Reserve Price - 1 pcs Aquamarine - 6.70 ct - GEM-TECH Istituto Gemmologico - colore: Azzurro chiaro
1 pcs Intense Purple Amethyst - 47.91 ct
1 pcs [Intense/Vivid Yellow (Orangy)] Citrine - 47.38 ct
1 pcs Intense/Vivid Blue (Purplish) Color Quality Grade Fine Color Quality Tanzanite - 9.44 ct
No Reserve Price Spinel - 2.06 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Color change
![](https://assets.catawiki.nl/assets/categories/599-08a03725294fb780ee5f8125304564e0500a6c6d-original.jpg)
This auction is part of Classic Gemstones
Don’t miss out on any of the auctions
Think you have the perfect object for one of our auctions?
Classic Gemstone Auction
Diamonds and rubies and sapphires and emeralds; these are just a few of our favourite things - at auction! Catawiki's Gemstone auctions are filled with stunning selections of lot listings, including splendidly cut diamonds, magnificent green emeralds, or beautiful mineral or gemstone figurines! Our Gemstone auctions offer a selection of gems in all shapes, sizes, and weights; we're guaranteed to have what you are looking for! Gemstones from all over the world are on offer; from India to Morocco, and from China to Brazil. We've got a vast assortment of gemstones in a variety of spectacular colours. Lots are presented as individual pieces or sets, both cut and uncut - all in all, Catawiki's exceptional Gemstone auctions offer a truly remarkable and enormously extensive assortment of collectable items! So make sure to create your free Catawiki account; a magnificent multitude of glorious gemstones awaits.
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