1.70t Natural Ethiopian Black Opal Faceted

Gemstone: Natural Black opalShape: ovalTreatment: HeatedColour: Play of colorsWeight: 1.70 ct

Gemstone: Natural Black opalShape: PearTreatment: HeatedColour: Play of colorsWeight:1.93 ct

Gemstone: Natural Black opalShape: PearTreatment: HeatedColour: Play of colorsWeight:1.80 ct

Gemstone: Natural Black opalShape: ovalTreatment: HeatedColour: Play of colorsWeight:2.10 ct

Gemstone: Natural Black opalShape: ovalTreatment: HeatedColour: Play of colorsWeight:1.67 ct

Gemstone: Natural Black opalShape: ovalTreatment: HeatedColour: Play of colorsWeight:2.65 ct

No Reserve! Title: 1.57 Ct Natural Ethiopian Black Faceted Fire Opal Oval Cut Stone Clarity: Translucent Gemstones: Natural Black Opal Carat Weights: 1.57 Size/Dimensions: 11.00 x 8.60 x 3.50 mm Addit

No Reserve! Title: 1.90 Ct Natural Ethiopian Black Faceted Fire Opal Trillion Cut Stone Clarity: Translucent Gemstones: Natural Black Opal Carat Weights: 1.9 Size/Dimensions: 9.80 x 9.00 x 5.50 mm Add

No Reserve! Title: 1.73 Ct Natural Ethiopian Black Faceted Fire Opal Oval Cut Stone Clarity: Translucent Gemstones: Natural Black Opal Carat Weights: 1.73 Size/Dimensions: 11.00 x 7.60 x 4.50 mm Addit

Gem Type-Natural Black Opal;Weight-22.6CT;Length- Approx 430mm;Treatment-Heated;Bead Size-3x3mm;Color-Multi Color...Origin-Ethiopia;

Title: 6.90 CTS NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE GOOD LUSTER LOOSE GEMSTONES Carat Weights: 6.9 Size/Dimensions: 15.7 x 12.8 x 7.4 MM Additional Information: HEATED WITH PLAY OF COLOR Reserve:

3.15 cts Natural Ethiopian Black Opal Round Shape Please note that this lot has a confidential reserve. When you leave a bid in advance of the auction, submit your maximum. The bidder who has submitte

Title: 4.10 CTS NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE GOOD LUSTER LOOSE GEMSTONES Brand: MRS GEMS Carat Weights: 4.1 Size/Dimensions: 13.9 x 10.4 x 5.5 MM Additional Information: HEATED Reserve: $50

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

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

Title:5.34 CTS EXTRAORDINARY LUSTER 100 % NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE GOOD LUSTER GEMS Carat Weights:5.34 Size/Dimensions:14.0 x 11.0 x 7.0 MM Additional Information:ETHIOPIA HEATED WITH P

Title: STUNNING LUSTER ! 5.40 CTS NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE LOOSE GEMSTONES Carat Weights: 5.4 Size/Dimensions: 15.0 x 11.0 x 6.3 MM Additional Information: HEATED WITH PLAY OF COLOR Res

Title:4.86 CTS EXTRAORDINARY LUSTER 100 % NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE GOOD LUSTER GEMS Carat Weights:4.86 Size/Dimensions:18.7 x 10.2 x 4.8 MM Additional Information:ETHIOPIA HEATED WITH P

Item: 4.20 CTS NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE Size/Dimensions: 12.2 x 9.4 X 7 MM Please note that this lot has a confidential reserve. When you leave a bid in advance of the auction, submit y

Title: 3.55 CTS NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE EXTRAORDINARY LUSTER LOOSE GEMSTONES Brand: 3.55 CTS NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE EXTRAORDINARY LUSTER LOOSE GEMSTONES Carat Weights:

Title: 3.90 CTS NATURAL ETHIOPIAN BLACK OPAL OVAL SHAPE GOOD LUSTER LOOSE GEMSTONES Carat Weights: 3.9 Size/Dimension: 13.3 x 10.2 x 5.8 MM Provenance/Additional Info:HEATED WITH PLAY OF COLOR Reserve

Natural and very fiery Ethiopian Welo black opal. Treatment: enhanced by smoking. Shape/Cut: Oval/Cabochon. Macro magnification without any improvement. Dimensions: 12x8x4 mm; Weight:2.35 ct.

No Reserve! Title: 1.28 Ct Natural Ethiopian Black Opal 9X7 mm Oval Cab Stone Clarity: Transparent Loose Gemstone: Black Opal Size/Dimensions: 9.00 x 7.00 x 4.30 mm Carat Weights: 1.28 Top Oval Cab /

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