AMETHYST AND DIAMOND ENHANCER/BROOCH; Platinum and 14k yg, principal diamond .50 ct., small diamonds .60 ct. TW, amethyst 27mm x 24mm; 23.4 gs., 1 1/2" x 1 1/8"
Auctioneer:
Rago Auctions
Date:
2010-06-18
TIFFANY & CO. AMETHYST AND DIAMOND PLATINUM RING, 1910-1920. Remarkably avant garde design, oval amethyst approx. 19.5 cts. held by diamond set prongs above rows Read more…
Auctioneer:
Rago Auctions
Date:
2011-12-04
Platinum, Amethyst, and Diamond Necklace, Cartier, comprising a cushion-shape amethyst and diamond clasp, no. 2818438, signed, suspending faceted amethyst beads, with shaped diamond bosses, one Read more…
Auctioneer:
Skinner
Date:
2010-09-14
Art Deco Platinum, Amethyst, and Diamond Pendant/Brooch, bezel-set with a large fancy-cut amethyst measuring approx. 26.00 x 25.00 x 19.00 mm, old European- and rose-cut Read more…
Auctioneer:
Skinner
Date:
2017-12-05
Platinum, Amethyst, and Diamond Ring, set with an oval-cut amethyst measuring approx. 20.00 x 15.00 x 11.90 mm, baguette- and full-cut diamond shoulders, approx. total Read more…
Auctioneer:
Skinner
Date:
2012-09-11
Art Deco Platinum, Amethyst, and Diamond Pendant, composed of delicate trace-links, spaced by old European-cut diamond melee, suspending a teardrop-shaped amethyst measuring approx. 24.00 x Read more…
Auctioneer:
Skinner
Date:
2011-03-15
Art Deco Platinum, Amethyst, and Diamond Sautoir, the large amethyst drop measuring approx. 40.00 x 24.00 mm, full- and single-cut diamond cap, and suspended from Read more…
Auctioneer:
Skinner
Date:
2020-11-17
Lady's Platinum, Amethyst, and Diamond Wristwatch, retailed by Smith Patterson, the white metal dial with Arabic numeral indicators enclosing manual-wind 17-jewel Concord Watch Co. movement, Read more…
Auctioneer:
Skinner
Date:
2011-03-15
Platinum, Amethyst and Diamond Brooch, centering a faceted oval amethyst measuring approx. 25.60 x 18.05 x 10.03mm, framed by single-cut diamond melee and square-cut amethysts, Read more…
Auctioneer:
Skinner
Date:
2008-09-16
Platinum, Amethyst, and Diamond Earpendants, each faceted amethyst drop with pave-set diamond melee cap and suspended from onyx and diamond links, lg. 2 5/8 in. Read more…
Auctioneer:
Skinner
Date:
2014-12-09
Platinum, Amethyst, and Diamond Earpendants, Cartier, each shaped top set with pear-cut amethyst and suspending faceted drops, full and single-cut diamond accents, lg. 2 1/8 Read more…
Auctioneer:
Skinner
Date:
2010-09-14
