G.I.S.A. CERTIFIED 1.96CT OPAL - Vivid Multi-Colour Play of Fire

G.I.S.A. CERTIFIED 3.40CT TOP GRADE WELO OPAL - Vivid Multi-Colour Play of Fire

G.I.S.A. CERTIFIED 9.16CT OPAL - Multi-Colour Play of Fire

3.39 Cts. Fire Sparkling Natural Welo Solid Black Fire Opal

1.25Ct. Opal Oval Cabochon Multi Colors Glittering Rainbow 3D Ethiopian

2.39Ct. 2 Pieces 9 x 7 mm Oval cut VVS Black Fire Opal

G.I.S.A. CERTIFIED 2.38CT OPAL - AAA GRADE - Vivid Multi-Colour Play of Fire

6.96ct Certified Opal

*** OPAL *** 5.51CT G.I.S.A. CERTIFIED OPAL

Opal [Australia] - Pear Shape Cabochon - 0.27cts

G.I.S.A. CERTIFIED 3.70CT OPAL

5.34CT CERTIFIED OPAL Scintillating Multi-Colour Fire

7.95ct Certified Opal

5.41CT G.I.S.A. CERTIFIED OPAL

3.18ct Certified Opal

3.26ct Certified Opal

2.17Ct. Eye-opening Oval cut 9 x 7 mm Multi color Flashing Black Fire Opal

3.65CT MEXICAN FIRE OPAL [G.I.S.A.CERTIFIED] Orange Body with Green and Orange Fire

Beautiful Genuine Australian Opal Gemstone, Unmounted

6.12ct Certified Opal

OPAL (AFRICA) - MULTI COLOUR OVAL CABOCHON - 1.745cts

G.I.S.A. CERTIFIED 4.20CT OPAL - AAA GRADE ! Vivid Multi-Colour

G.I.S.A. CERTIFIED 3.77CT OPAL - Vivid Multi-Colour Play of Fire

6.10Ct.IF Oval 15 x 12 mm 3DMulti Flashy 100% Genuine Solid Welo Cut Opal