Natural Black Spinel 3.07 Ct. Oval Cabochon Shape 9.2 x 7.1 Mm Gemstone From ThailandTreasure of Gems & Jewelry4.4(215)$1Feb 15, 2026
Natural Black Star Sapphire 3.20 Ct. Oval Cabochon Shape 8.8 x 7 Mm Gemstone From ThailandTreasure of Gems & Jewelry4.4(215)$15 days Left
Natural Black Star Sapphire 3.11 Ct. Oval Cabochon Shape 9 x 7.3 Mm Gemstone from ThailandTreasure of Gems & Jewelry4.4(215)$15 days Left
Natural Black Star Sapphire 6 Rays 3.54 Ct. Oval Cabochon Shape 11 x 8.1 Mm Gemstone from ThailandTreasure of Gems & Jewelry4.4(215)$1Feb 15, 2026
Natural Black Diamond 1.75 Ct. Round Brilliant Cut 6.6 Mm Gemstone from BelgiumTreasure of Gems & Jewelry4.4(215)$1(1 bid)Feb 15, 2026
Natural Black Diamond 1.74 Ct. Round Brilliant Cut 6.8 Mm.Treasure of Gems & Jewelry4.4(215)$15 days Left
Natural Black Loose Diamond 0.94 Ct. Round Brilliant Cut 5.6 Mm From BelgiumTreasure of Gems & Jewelry4.4(215)$15 days Left
Natural Black Loose Diamond 2.58 Ct. Round Brilliant Cut 7.7 Mm. From BelgiumTreasure of Gems & Jewelry4.4(215)$15 days Left
Natural Black Star Sapphire 6 Rays 9.17 Ct. Oval Cabochon Shape 12.7 x 10.1 Mm. Gemstone FromTreasure of Gems & Jewelry4.4(215)$1Feb 15, 2026
Natural Black Loose Diamond 5.52 Ct. Round Brilliant Cut 10.2 Mm From BelgiumTreasure of Gems & Jewelry4.4(215)$15 days Left
Natural Multi Color Fluorite 3.54 Ct. Oval Cabochon Shape 10 x 8 Mm Gemstone From BrazilTreasure of Gems & Jewelry4.4(215)$1Feb 15, 2026
Natural Black Loose Diamond 2.40 Ct. 7.7 Mm. Round Brilliant Cut 7.7 Mm.Treasure of Gems & Jewelry4.4(215)$1Feb 15, 2026
Sold5.06 Ct Natural Black AgateNo Reserve! Title: 5.06 Ct Natural Black Agate Color/Clarity: Semi Transparent Carat Weight: 5.06 Size/Dimensions: 12.60 x 12.60 x 3.90 Additional Information: Round - Brazil Shipping: Domestic: FlaSee Sold Price
Sold24.53 Ct Natural Black AgateNo Reserve! Title: 24.53 Ct Natural Black Agate Color/Clarity: Semi Transparent Carat Weight: 24.53 Size/Dimension: 22.30 x 15.00 x 6.50 Additional Information: Rectangular - Brazil Shipping: DomestSee Sold Price
Sold24.53 Ct Natural Black AgateNo Reserve! Title: 24.53 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 24.53 Size/Dimensions: 22.30 x 15.00 x 6.50 Additional Information: RectangularSee Sold Price
Sold21.67 Ct Natural Black AgateNo Reserve! Title: 21.67 Ct Natural Black Agate Color/Clarity: Semi Transparent LooseGemstone Carat Weights: 21.67 Size/Dimensions: 19.40 x 19.95 x 5.80 Additional Information: Octagon - Brazil ShippiSee Sold Price
Sold5.06 Ct Natural Black Onyx Loose BeadsWeight - 5.06 Ct / Size - 2.00 x 2.00 mm / Shape - Round Beads / Clarity - Opaque / Origin - Brazil / Treatment - NoneSee Sold Price
Sold9.56 Ct Natural Black AgateNo Reserve! Title: 9.56 Ct Natural Black Agate Color/Clarity: Semi Transparent Carat Weight: 9.56 Size/Dimensions: 14.30 x 13.00 x 6.60 Additional Information: Oval - Brazil Shipping: Domestic: FlatSee Sold Price
Sold3.47 Ct Natural Black AgateNo Reserve! Title: 3.47 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 3.47 Size/Dimensions: 10.20 x 8.40 x 5.00 Additional Information: Oval - Brazil SSee Sold Price
Sold5.06 Ct Natural Black Onyx Loose StoneWeight - 5.06 Ct / Size - 12.30 x 10.30 x 5.80 mm / Shape - Cushion Cut / Clarity - Opaque / Origin - Brazil / Treatment - NoneSee Sold Price
Sold10.10 Ct Natural Black AgateNo Reserve! Title: 10.10 Ct Natural Black Agate Color/Clarity: Semi Transparent LooseGemstone Carat Weights: 10.1 Size/Dimensions: 17.90 x 13.70 x 5.40 Additional Information: Pear - Brazil Shipping:See Sold Price
Sold9.22 Ct Natural Black AgateNo Reserve! Title: 9.22 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 9.22 Size/Dimensions: 15.00 x 12.40 x 5.80 Additional Information: Oval - BrazilSee Sold Price
Sold5.06 Ct Natural Black Onyx Round Cut PairWeight - 5.06 Ct / Dimensions - 8.20 x 8.20 x 5.50 mm / 2 Pc's / Shape - Round Cut / Clarity - Opaque / Origin - Brazil / Comments - NoneSee Sold Price
Sold9.65 Ct Natural Black AgateNo Reserve! Title: 9.65 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 9.65 Size/Dimensions: 16.30 x 11.00 x 5.70 Additional Information: Oval - BrazilSee Sold Price
Sold6.80 Ct Natural Black AgateNo Reserve! Title: 6.80 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 6.8 Size/Dimensions: 13.10 x 10.40 x 5.40 Additional Information: Oval - Brazil SSee Sold Price
Sold7.56 Ct Natural Black AgateNo Reserve! Title: 7.56 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 7.56 Size/Dimensions: 15.70 x 12.00 x 4.70 Additional Info: Oval - Brazil ShippinSee Sold Price
Sold4.89 Ct Natural Black AgateNo Reserve! Title: 4.89 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 4.89 Size/Dimensions: 12.10 x 10.30 x 4.90 Additional Info: Oval - Brazil ShippinSee Sold Price
Sold15.07 Ct Natural Black Agate Loose Stoneweight - 15.07 Ct / Size - 27.00 x 16.00 x 5.50 mm / Shape - Excellent Oval Cab / Origin - Brazil / Treatment - NoneSee Sold Price
Sold7.01 Ct Natural Black AgateNo Reserve! Title: 7.01 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 7.01 Size/Dimensions: 13.50 x 9.50 x 6.10 Additional Information: Oval - Brazil SSee Sold Price
Sold3.80 Ct Natural Black AgateNo Reserve! Title: 3.80 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 3.8 Size/Dimensions: 17.00 x 11.70 x 2.00 Additional Information: Oval - Brazil SSee Sold Price
Sold9.05 Ct Natural Black AgateNo Reserve! Title: 9.05 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 9.05 Size/Dimensions: 16.90 x 13.30 x 4.30 Additional Information: Oval - BrazilSee Sold Price
Sold3.60 Ct Natural Black AgateNo Reserve! Title: 3.60 Ct Natural Black Agate Stone Clarity: Semi Transparent Carat Weight: 3.6 Size/Dimensions: 16.40 x 11.40 x 2.00 Additional Information: Oval - Brazil Shipping: Domestic: Flat-See Sold Price
Sold6.40 Ct Natural Black AgateNo Reserve! Title: 6.40 Ct Natural Black Agate Stone Clarity: Semi Transparent Carat Weight: 6.4 Size/Dimensions: 14.40 x 11.10 x 4.80 Additional Information: Oval - Brazil Shipping: Domestic: Flat-See Sold Price
Sold6.79 Ct Natural Black AgateNo Reserve! Title: 6.79 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 6.79 Size/Dimensions: 13.00 x 10.90 x 6.00 Additional Information: Oval - BrazilSee Sold Price
Sold3.60 Ct Natural Black AgateNo Reserve! Title: 3.60 Ct Natural Black Agate Color/Clarity: Semi Transparent Gemstones: LooseGemstone Carat Weights: 3.6 Size/Dimensions: 16.40 x 11.40 x 2.00 Additional Information: Oval - Brazil SSee Sold Price
Sold20.00 Ct Natural Black AgateNo Reserve! Title: 20.00 Ct Natural Black Agate Color/Clarity: Semi Transparent Carat Weight: 20 Dimensions: 20.80 x 15.90 x 5.45 Additional Information: Rectangular - Brazil Shipping: Domestic: FlaSee Sold Price
