An oval-cut sapphire, 5. 10 cts. by formula, set to double white or yellow marquise-cut diamond shoulders, approx. 1.30 cts. TW, mounted in platinum. Stamped 950 PT. Size 7. 5.9 dwt. Note: The sapphire is a fine natural gem.
Auctioneer:
Rago Auctions
Date:
2016-12-04
2.16 CT. SAPPHIRE, DIAMOND & PLATINUM RING, SIZE 7, TW.10 GR.:Featuring a central round cut sapphire, with approximate weight of 2.16 cts., surrounded by twelve Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2016-05-22
ORANGE SAPPHIRE DIAMOND PLATINUM RING. Circular floriform cluster design centers an oval faceted deep orange sapphire, approx. 2.35 cts., among circular and marquise cut diamonds, Read more…
Auctioneer:
Rago Auctions
Date:
2011-12-04
BLUE STAR SAPPHIRE & DIAMOND PLATINUM RING Fine sapphire weighing 3.48 gs., flanked by four circular brilliant-cut diamonds, .43 ct. TW, ca. 1980. 6.6 gs, Read more…
Auctioneer:
Rago Auctions
Date:
2008-06-14
GIA 30.42CT NATURAL BLUE SAPPHIRE & 1.40CT DIAMOND & PLATINUM RING, H 15/16" W 7/8", SIZE 8:A GIA 30.42ct step cut natural, no heat blue Read more…
Auctioneer:
Dumouchelle Art Galleries
Date:
2016-04-17
EDWARDIAN SAPPHIRE AND DIAMOND PLATINUM RING; Hand-built reticulated platinum, centrally set with cushion cut sapphire, approx. .89 ct., diamond melee approx. .45 ct., ca. 1910. Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
SAPPHIRE AND DIAMOND PLATINUM RING Cushion shaped faceted sapphire, approx. 3.1 cts. by formula, RBC diamond frame with diamond halo, gallery and shoulders, melee approx. Read more…
Auctioneer:
Rago Auctions
Date:
2015-04-15
ART DECO STAR SAPPHIRE AND DIAMOND PLATINUM RING; Translucent and luminous light blue star sapphire, 8 cts. by formula, circular cut diamonds, approx. .90 ct. Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
ART DECO STAR SAPPHIRE AND DIAMOND PLATINUM RING; Oval lilac cabochon star sapphire, approx. 9.4 cts., steeply set within diamond halo, pierced and millegrained diamond Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
SAPPHIRE AND DIAMOND PLATINUM RING; Ceylon sapphire, 1.54 cts., open work mount with sapphire channels and diamond accents, ca. 1935. Size 6 1/2. 2.9 dwt. Read more…
Auctioneer:
Rago Auctions
Date:
2013-12-08
9.43 CTS. SAPPHIRE AND DIAMOND PLATINUM RING; Oval faceted blue sapphire, 14.05 x 12.43 x 5.92 mm., framed by full cut diamond melee, 1.21 cts. Read more…
Auctioneer:
Rago Auctions
Date:
2014-12-07
