3.78 ct Black OpalJewelry industry professionals, please contact us for a discounted rate Item Description: One loose, unmounted, solid opal gemstone Species: Natural opal Origin: Australia Mining Area: Lightning Ridge, NSW Weight: 3. 78 ct Measurements: 21. 8x6. 2x3. 2 mm Shape: Rectangular Treatment: None We guarantee this opal gemstone is a genuine, solid, natural, and untreated opal from the mining fields of Australia. The opal has been cut and polished from its

Shape: Oval

Measurements: 21

Measurements: 11

Weight: 17

Shape: Cushion

Weight: 75

Measurements: 24x13

Measurements: 8

Weight: 20

Shape: Square

Measurements: 9

Shape: Triangular