Mineralauctions.com (a subsidiary of The Arkenstone, AGTA firm-member) and the American Gem Trade Association are pleased to announce new featured AGTA-member gemstone auctions hosted online for worldwide participation. Enjoy a selection of fine gemstones from trusted and vetted dealers from the American Gem Trade Association, including tourmalines, corundums, zircons, grandiderite, and more!
If you weren't able to make it to the Tucson shows, here's a great chance to get gemstones live, online, from the AGTA GemFair Tucson!
- Tourmaline
- Himalaya Mine, San Diego, California, USA
- 26.0 x 21.0 x 14.0 mm, 48.70 ct
- Winning Bid: $875
- Aquamarine
- Minas Gerais, Brazil
- 15.81 x 13.55 mm, 11.34 ct
- Winning Bid: $885
- Azurite with Malachite
- Morenci, Arizona, USA
- 6.1 x 4.0 x 0.9 cm, 292.66 ct
- Winning Bid: $325
- Malachite
- Morenci, Arizona, USA
- 7.3 x 7.1 x 0.4 cm, 161.82 ct
- Winning Bid: $545
- Boulder Opal
- Queensland, Australia
- 33.9 x 22.8 x 3.9 mm, 34.6 ct
- Winning Bid: $300
- Tourmaline
- Brazil
- 8.59 x 7.0 x 4.94 mm, 2.76 ct
- Winning Bid: $864
- Burgundy Tourmaline
- Madagascar
- 20.22 x 14.21 x 9.05 mm, 19.03 ct
- Winning Bid: $610
- Heliodor (Yellow Beryl)
- Minas Gerais, Brazil
- 20.5 x 11.9 mm, 9.44 ct
- Winning Bid: $409
- Emerald
- Brumado, Bahia, Brazil
- 11.47 x 11.27 x 7.16 mm, 6.52 ct
- Winning Bid: $400
- Zircon
- Cambodia
- 19.0 x 12.8 mm, 15.78 ct
- Winning Bid: $902
- Tourmaline Slices (teal!)
- Minas Gerais, Brazil
- 22.0 x 20.0 x 3.0 mm, each, 34.93 ct
- Winning Bid: $575
- Kunzite
- Nigeria
- 21.51 x 11.19 x 10.63 mm, 18.60 ct
- Winning Bid: $910
- Tourmaline (Bicolor Cat's Eye)
- Himalaya Mine, San Diego, California, USA
- 16.94 x 16.74 x 11.90 mm, 26.90 ct
- Winning Bid: $995
- Watermelon Tourmaline Slices
- Minas Gerais, Brazil
- 19.0 x 16.0 x 4.5 mm, 34.25 tcw (2 pcs)
- Winning Bid: $600
- Ametrine
- Anahi Mine, Bolivia
- 19.0 x 19.0 mm, 17.72 ct
- Winning Bid: $580
- Titanite (Sphene)
- Madagascar
- 11.0 x 9.5 mm, 4.64 ct
- Winning Bid: $465
- Opal - Natural
- Welo, Ethiopia
- 22.5 x 18.7 x 11.0 mm, 18.53 ct
- Winning Bid: $775
- Emerald
- Colombia
- 6.3 x 5.3 x 3.11 mm, 0.84 ct
- Winning Bid: $1,024
- Watermelon Tourmaline
- Minas Gerais, Brazil
- 15.8 x 8.4 x 5.7 mm, 6.22 ct
- Winning Bid: $345
- Sapphire Cabochons
- Sri Lanka
- Approx. 4.5 mm each, 19.7 ct
- Winning Bid: $210
- Tanzanite
- Merelani Hills, Manyara, Tanzania
- 6.8 x 6.3 x 3.8 mm, 1.28 ct
- Winning Bid: $425
- Rhodolite
- Taita, Kenya
- 9.9 x 7.4 x 4.4 mm, 2.31 ct
- Winning Bid: $330
- Zircon
- Cambodia
- 7.0 x 7.0 mm, 1.72 ct
- Winning Bid: $130
- Demantoid Garnet
- Antetezambato, Ambanja Dist., Antsiranana Prov., Madagascar
- 8.0 x 5.0 mm, 2.26 ct
- Winning Bid: $580
- Zircon
- Cambodia
- 13.0 x 9.5 x 8.5 mm, 10.64 ct
- Winning Bid: $1,100
- Tourmaline
- Minas Gerais, Brazil
- 12.9 x 12.8 mm, 11.40 ct
- Winning Bid: $1,100
- Peridot
- Pakistan
- 9.46 x 8.24 mm, 3.51 ct
- Winning Bid: $575
- Grandidierite
- Fort Dauphin, Tulear Prov., Madagascar
- 11.9 x 10.5 x 6.4 mm, 4.96 ct
- Winning Bid: $675
- Bicolor Tourmaline
- Brazil
- 13.8 x 6.0 cm, 3.49 ct
- Winning Bid: $385
- Ruby
- Burma/Myanmar
- 5.6 x 5.6 mm, 0.85 ct
- Winning Bid: $410