GIA Natural 27ct Black Opal Cabochon Loose Unset Gemstone

Title: 6.85Cts Huge! Natural Multi color Black Opal Pear Cabochon loose gemstone Carat Weights: 6.85 Size/Dimensions: 17.00x12.00x7.00 MM Additional Information: EHIOPIA NATURAL HEATED Reserve: $60.00

Title: 2.45Cts Natural Multi color Black Opal Marquise Cabochon loose gemstone NL103 Brand: MRS GEMS Carat Weights: 2.45 Size/Dimensions: 17.30x7.20x3.60 MM Reserve: $20.00 Shipping: Domestic: Flat-ra

Title: 3.25Cts Natural Multi color Black Opal Oval Cabochon Good Luster loose gemstone Carat Weights: 3.25 Size/Dimensions: 12.30x9.00x6.00 MM Additional Information: ETHIOPIA HEATED WITH PLAY OF COLO

4.55Cts Natural Multi color Black Opal Pear Cabochon Good Luster loose gemstone Reserve: $50.00 Shipping: Domestic: Flat-rate of $10.00 to anywhere within the contiguous U.S. International: Foreign sh

Title: 5.45Cts Natural Multi color Black Opal Pear Cabochon Good Luster loose gemstone Carat Weights: 5.45 Size/Dimensions: 17.10x10.50x6.30 MM Additional Information: VVS QUALITY HEATED WITH PLAY OF

Title: 3.30Cts Natural Multi color Black Opal Oval Cabochon Good Luster loose gemstone Carat Weights: 3.3 Size/Dimensions: 12.50x9.00x5.70 MM Additional Information: HEATED Reserve: $40.00 Shipping: D

Title: 3.35Cts Natural Multi color Black Opal Oval Cabochon Good Luster loose gemstone Carat Weights: 3.35 Size/Dimensions: 12.80x8.50x6.30 MM Additional Information: VVS QUALITY HEATED WITH PLAY OF C

Title: 1.60Cts Natural Multi color Black Opal Oval Cabochon Good Luster loose gemstone Carat Weights: 1.6 Size/Dimensions: 9.20x7.40x4.70 MM Additional Information: VVS QUALITY HEATED WITH PLAY OF COL

Title: 1.40Cts Natural Multi color Black Opal Oval Cabochon Good Luster loose gemstone Carat Weights: 1.4 Size/Dimensions: 9.10x6.90x4.40 MM Additional Information: ETHIOPIAN - HEATED WITH PLAY OF COL

Title: 2.05Cts Natural Multi color Black Opal Oval Cabochon Good Luster loose gemstone Carat Weights: 2.05 Size/Dimensions: 12.10x7.70x4.20 MM Additional Information: HEATED WITH PLAY OF COLOR Reserve

Title: 2.10Cts Natural Multi color Black Opal Oval Cabochon Good Luster loose gemstone Carat Weights: 2.1 Size/Dimensions: 12.20x7.30x4.70 MM Additional Information: HEATED WITH PLAY OF COLOR Reserve:

Title: 2.05Cts Natural Multi color Ethiopia Black Opal Oval Cabochon Good Luster loose gemstone Brand: MRS GEMS Carat Weights: 2.05 Size/Dimensions: 11.20x8.10x4.50 MM Additional Information: HEATED P

Item: Natural purplish-black Star Spinel | cabochon oval cut Loose Gemstone: Natural Spinel, untreated Carat Weight: 2.64 Size: L7.77mm x W7.33mm x 5.16mm Translucent, comes with GIA Gem Brief Please

Title: 1.95 CTS MARVELOUS LUSTER ! NATURAL ETHIOPIAN BLACK OPAL TRILLION LOOSE GEMSTONES Carat Weights: 1.95 Size/Dimensions: 11.1 x 11.7 x 3.1 MM Reserve: $20.00 Shipping: Domestic: Flat-rate of $10.

Title: 1.20 CTS NATURAL BLACK OPAL OVAL SHAPE LOOSE GEMSTONES Carat Weights: 1.2 Size/Dimensions: 10.4 x 6.8 x 5.1 MM Additional Information: CLARITY VVS-HEATED WITH PLAY OF COLOR - ETHIOPIA Reserve:

Title: 4.00 Ct EXCELLENT LUSTER Natural Black Opal Trillion shape loose gemstone Carat Weights: 4 Size/Dimensions: 12.80x12.40x5.90 MM Reserve: $40.00 Shipping: Domestic: Flat-rate of $10.00 to anywhe

Title: 3.20 CTS GOOD LUSTER ! NATURAL ETHIOPIAN BLACK OPAL CUSHION LOOSE GEMSTONES Carat Weights: 3.2 Size/Dimensions: 12.8 x 8.0 x 5.2 MM Additional Information: HEATED Reserve: $35.00 Shipping: Dome

Title: 1.25cts STUNNING FIRE ! NATURAL BLACK OPAL PEAR SHAPE LOOSE GEMSTONES OP044 Carat Weights: 1.25 Size/Dimensions: 10.30 x 6.80 x 4.10MM Additional Information: HEATED WITH PLAY OF COLOR Reserve:

No Reserve! Title: 1.11 CTS NATURAL ETHIOPIAN WELO OPAL CABOCHON LOOSE GEMSTONES Brand: MRS GEMS Carat Weights: 1.11 Size/Dimensions: 9.4 x 6.7 x 3.1 MM Shipping: Domestic: Flat-rate of $15.00 to anyw

Reserve Reduced! Item: 3.91 Ctw IGI Certified Natural Ethiopian Opal Pear Cabochon Loose Gemstone: Natural Opal Stone Clarity: Transparent Carat Weight: 3.91 Size/Dimensions: 14.67 x 8.71 x 6.32 mm IG

Title: 7.00Cts Stunning Luster ! Natural Multi color Black Opal Oval loose gemstone Carat Weights: 7 Size/Dimensions: 16.8x11.6x7.80 MM Additional Information: HEATED WITH PLAY OF COLOR Reserve: $60.0

Title: 4.40 CTS STUNNING PEAR NATURAL ETHIOPIAN BLACK OPAL GOOD LUSTER LOOSE GEMSTONES Carat Weights: 4.4 Size/Dimensions: 15.5 x 10.3 x 6.3 MM Additional Information: HEATED WITH PLAY OF COLOR Reserv

No Reserve! Title: 2.05 CTS NATURAL ETHIPION BLACK OPAL OVAL SHAPE LOOSE GEMSTONES Carat Weights: 2.05 Size/Dimensions: 12.4 x 7.0 x 4.0 MM Additional Information: UNHEATED ETHIOPIA Shipping: Domestic

Title: 1.45 CTS NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE LOOSE GEMSTONES Carat Weights: 1.45 Size/Dimensions: 10 x 7.7 x 3.9 MM Reserve: $20.00 Shipping: Domestic: Flat-rate of $10.00 to anywhere withi