BLACK OPAL, DIAMOND, DEMANTOID GARNET RING, ca. 1910. Oval cluster in colors of a peacock feather, OEC diamonds, approx. 1 cts. TW, surround a row of bright green garnets and black opal. 3.6 dwt. (5.5 gs.), size 6
Auctioneer:
Rago Auctions
Date:
2011-12-04
Antique 15kt Gold, Opal, and Demantoid Garnet Necklace, the heart-shape opal cabochon measuring approx. 18.00 x 15.10 x 7.60 mm, demantoid garnet accents, and suspended Read more…
Auctioneer:
Skinner
Date:
2016-03-22
Art Nouveau 18kt Gold, Carved Opal, and Demantoid Garnet Figural Brooch, probably Continental, the female figure with wildly flowing hair, circular-cut demantoid garnet accents, further Read more…
Auctioneer:
Skinner
Date:
2011-06-14
Art Nouveau 18kt Gold, Opal, and Demantoid Garnet Necklace, designed as writhing serpents with five bezel-set opals, the central opal with demantoid garnet accents, lg. Read more…
Auctioneer:
Skinner
Date:
2014-03-18
Opal and Demantoid Garnet Snake Earpendants, each coiled snake with garnet highlight suspending a white opal drop, 14kt gold mounts, lg. 5/8 in. Read more…
Auctioneer:
Skinner
Date:
2006-09-19
Art Nouveau peacock with black opal body, demantoid garnet feathers, ca. 1910. Partial marks (due to sizing) 14k and Walton. Size 7. 5.2 dwt. Note: Read more…
Auctioneer:
Rago Auctions
Date:
2015-12-06
Antique 14kt Gold, Opal, and Demantoid Garnet Brooch, with old mine-cut diamonds and pearl accents, dia. 7/8 in. Estimate $300-500 Slight crazing and overall wear, Read more…
Auctioneer:
Skinner
Date:
2020-09-14
EDWARDIAN GEM-SET GOLD BUTTERFLY BROOCH. Sapphire wings with OEC diamonds, 1.30 cts. TW, opal thorax, demantoid garnet antennae and eyes, 18k yg. Unmarked. 8.29 dwt. Read more…
Auctioneer:
Rago Auctions
Date:
2011-12-04
MARCUS & CO. BLACK OPAL, DIAMOND PLATINUM RING; Oval Australian black opal cabochon, 22.9 x 14 x 4.77 mm., 8.87 cts. by formula, red-orange/blue-green spectral Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
BELLE EPOQUE SEMI-BLACK OPAL DIAMOND GARLAND LAVALIER. Pear-shaped semi-black opal 27mm x 16.5mm x 3.38mm, 6.5 cts. by formula, very colorful, with OEC diamonds in Read more…
Auctioneer:
Rago Auctions
Date:
2011-12-04
Art Deco Platinum, Black Opal, Diamond and Gem-set Brooch, designed as a black opal pot on diamond baguette stand holding flexibly set diamond melee bouquet, Read more…
Auctioneer:
Skinner
Date:
2007-03-13
