A tourmaline and diamond dress ring. The cushion-shape

An Edwardian 18ct gold sapphire and diamond dress ring. The cushion-shape sapphire, with old-cut diamond trefoil sides and tapered shoulders. Estimated dimensions of sapphire 6.1 by 5.4 by 3.1mms. Est

An onyx and diamond dress ring. The cushion-shape onyx panel, with old-cut diamond highlight, to the textured surround and tapered shoulders with engraved detail. Weight 6.5gms.

A 14 Karat White Gold, Greenish-Blue Tourmaline and Diamond Ring, containing one cushion shape mixed cut greenish-blue tourmaline measuring approximately 8.23 x 6.63 x 4.41 mm, four tapered baguette c

An 18ct gold tourmaline and diamond dress ring. The rectangular-shape green tourmaline, with brilliant-cut diamond line sides. Hallmarks for London, 1979. Ring size F1/2. Weight 3.5gms. Overall condit

A TANZANITE, PINK TOURMALINE AND DIAMOND DRESS RING set with a cushion shaped tanzanite of 11.28 carats, accented by marquise cut pink tourmalines and round brilliant cut diamonds, no assay marks, siz

A tourmaline, diamond and tsavorite garnet dress ring. The rectangular-shape tourmaline, to the brilliant-cut diamond and circular-shape tsavorite garnet openwork gallery and tapered band. Estimated t

A sapphire and diamond dress ring. Of asymmetric design, the graduated cushion-shape sapphire and marquise-shape diamond lines, with a triangular-shape diamond side, to the baguette-cut diamond curved

A MINT GREEN TOURMALINE AND DIAMOND DRESS RING in platinum, set with a cushion cut tourmaline of 5.55 carats, the border set with round brilliant cut diamonds, the shoulders set with further round bri

PLATINUM, DIAMOND AND BLUE TOURMALINE RING. Teal blue cushion shape tourmaline held by four yellow gold double prongs and centered by trapezoidal diamond weighing approximately .65 ct. on each should

RUBY AND DIAMOND DRESS RING The cushion-shaped ruby accented by brilliant and marquise-cut diamonds, in a ropetwist mount, ruby approximately 2.80 carats, ring size N½ Footnotes: Accompanied by a

NO RESERVE - A SAPPHIRE AND DIAMOND DRESS RING, Cushion cut and oval cut blue sapphires, approximate total 2.40-2.60 carats, Rose cut diamonds, No assay marks, Size N / 6.75, Weight 4.9 grams

A PINK TOURMALINE AND DIAMOND DRESS RING in platinum, set with an oval-shaped fancy cut pink tourmaline of 13.95 carats, the trefoil shoulders and shank accented with round cut diamonds, no assay mark

STEPHEN WEBSTER, A GREEN TOURMALINE AND DIAMOND DRESS RINGThe oval cut green tourmaline within a surround of brilliant cut and baguette cut diamonds, approximately 1.18 carats total, to a shaped shank

A VINTAGE GREEN TOURMALINE AND DIAMOND DRESS RING in 18ct yellow gold, set with a step cut green tourmaline of 2.11 carats, between round brilliant cut diamonds, stamped 18K, size O / 7.25, 3.8g.

ANTIQUE GREEN TOURMALINE AND DIAMOND DRESS RING, set with a central green tourmaline of approx. 0.76 ct. flanked with s diamond on each side. The head and shoulders of part openwork scrolling design.

A zircon and diamond ring. The cushion-shape blue-zircon, within a brilliant-cut diamond surround, to the similarly-cut diamond openwork shoulders. Estimated total diamond weight 0.35ct. Ring size N.

A topaz and diamond ring. The cushion-shape orange topaz, with brilliant-cut diamond collet sides and open chevron shoulders. Estimated total diamond weight 0.10ct. Ring size O1/2. Weight 3.8gms.

A sapphire and diamond ring. The cushion-shape sapphire collet, with circular-cut diamond collet sides and tapered band. Estimated dimensions of sapphire 7 by 6.2 by 4.8mms. Estimated total diamond we

A zircon and diamond ring. The cushion-shape blue zircon, with brilliant and single-cut diamond line shoulders. Estimated total diamond weight 0.15ct. Ring size M1/2. Weight 4.2gms.

A zircon and diamond ring. The cushion-shape blue zircon, with brilliant-cut diamond openwork shoulders. Estimated total diamond weight 0.35ct. Ring size L1/2. Weight 4.8gms.

A PINK TOURMALINE AND DIAMOND DRESS RING in 9ct yellow gold, set with a central faceted red stone with two round cut diamonds to the trifurcated band, British hallmarks, size O / 7, 3.63g.

A garnet and diamond ring. The cushion-shape garnet, with single-cut diamond split shoulders. Ring size M. Weight 2.2gms.

GRIMA: YELLOW SAPPHIRE AND DIAMOND DRESS RING, 1977 The cushion-shaped yellow sapphire in a geometric mount with bifurcated shoulders, accented by brilliant-cut diamonds, mounted in 18 carat gold, sig

BICOLOR GOLD, TOURMALINE AND DIAMOND RING Cushion cut cabochon tourmaline measuring approximately 16.75 x 18.00 mm with round brilliant cut diamonds accenting the shank. Ring size 7 1/2. Stamp: DBAC.