Unmounted Specimen Black Opal, "The Desert Mirage," the pear-shape tablet weighing 434. 00 cts., 4 1/8 x 2 1/2 x 1/2 in., within fitted box with brass nameplate, (crazing).
Auctioneer:
Skinner
Date:
2009-03-17
Unmounted Black Opal, the oval cabochon weighing 2.79 cts. Note: The opal was purchased in New South Wales in 1965. Read more…
Auctioneer:
Skinner
Date:
2003-12-09
Unmounted Black Opal, the teardrop shaped stone measuring approx 48.80 x 28.20 x 9.55mm. Read more…
Auctioneer:
Skinner
Date:
2004-06-15
18kt White Gold, Opal, and Diamond Ring, prong-set with an oval cabochon measuring approx. 24.00 x 11.50 x 6.20 mm, framed by full-cut diamonds, size Read more…
Auctioneer:
Skinner
Date:
2014-09-09
A collection of nine includes eight oval and one asymmetric gems refract full spectrum of colors from green-blue to red-orange, 50 cts. TW. The largest Read more…
Auctioneer:
Rago Auctions
Date:
2016-12-04
BLACK MATRIX OPAL AND DIAMOND PENDANT; Oval opal specimen, 18.2 x 12.3 mm., with blue-green color play, suspends from circular diamond cluster, approx. .40 ct. Read more…
Auctioneer:
Rago Auctions
Date:
2013-04-21
Group of Unmounted Opals, including white and fire opal, in a specimen box. Estimate $300-500 Crazing. The absence of a condition statement does not imply Read more…
Auctioneer:
Skinner
Date:
2018-03-20
UNMOUNTED MATRIX OPALS Tablet-form Tanzanian black matrix opal, 16.5mm x 4mm, 13.28 cts.; six matrix opals, largest 31mm x 15mm, 114 cts. TW; two rough Read more…
Auctioneer:
Rago Auctions
Date:
2009-08-07
UNMOUNTED GEMSTONES AND PEARLS Pair of spherical black South Sea pearls, 15mm, good luster; two cat"s eye chrysoberyls, each approx. 9mm, 11.35 cts. TW.; Mexican Read more…
Auctioneer:
Rago Auctions
Date:
2008-12-07
UNMOUNTED OPAL CABOCHONS Thirty stones include black opals, boulder opals and white opals. 58 cts. TW. Read more…
Auctioneer:
Rago Auctions
Date:
2008-06-14
Comprising white and gray crystal and semi crystal material; Opal doublets, opal triplets; Polychromatic black "sugar" opals, lab created opal. Gem material in excess of Read more…
Auctioneer:
Rago Auctions
Date:
2017-06-11
