(546813-6-A) A diamond dress ring.

A 14ct yellow gold Tanzanite and diamond dress ring. Features one 6.43ct cushion cut Tanzanite and twelve round brilliant cut diamonds at 0.14ct total diamond weight in J-L colour with SI-1 - P-1 clar

J.ROCA: DIAMOND DRESS RING The brilliant-cut diamond, weighing 6.66 carats, the mount set with calibré-cut emeralds, single and rose-cut diamonds, the similarly-set trifurcated shoulders and gall

A DIAMOND DRESS RING in yellow and white gold, the tapering band set with twelve graduated old cut and rose cut diamonds, the diamonds all totalling 3.6-3.8 carats, unmarked, size P / 7.75, 8.6g.

A DIAMOND DRESS RING set with a hexagonal step cut diamond of approximately 1.75 carats, the shoulders set with baguette cut diamonds, stamped 750 18Kt, size M / 6.25, 5.7g.

A DIAMOND DRESS RING Of bombé design, set with brilliant-cut diamonds throughout, mounted in 18K gold, diamonds approximately 6.00cts total, French import mark, ring size L

A DIAMOND DRESS RING set with an old European cut diamond between two round brilliant cut diamonds, the diamonds all totalling 1.4-1.6 carats, no assay marks, size N / 6.5, 3.7g.

A sapphire and diamond dress ring. The rectangular-shape sapphire collet, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.50ct. Weight 6.9gms.

A BURMA NO HEAT RUBY AND DIAMOND DRESS RING set with a cushion cut ruby of 1.20 carats, within a bombe style mount set allover with rose cut diamonds, unmarked, size K / 5.25, 6.1g. The gemological pr

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and platinum, set with a cushion cut blue sapphire of 0.93 carats, within a border of old cut diamonds, stamped Pt 18ct, size M / 6, 3.1

AN ANTIQUE DIAMOND DRESS RING, CIRCA 1800 in yellow gold and silver, the circular face set with a cluster of old cut diamonds, all totalling 1.4-1.6 carats, unmarked, size J / 5, 2.3g.

ANTIQUE DIAMOND DRESS RING, the head of openwork scrolling and floral design, set with larger and smaller rose cut diamonds. Size Q. 6.4 grams.

A PEARL AND DIAMOND DRESS RING in 18ct white gold, set with a pearl of 14.1mm, between round cut diamonds in the shoulders, stamped 750, size M / 6.25, 6.2g.

A RUBY AND DIAMOND DRESS RING in 18ct white gold, set with two rows of pear cut rubies accented by a border of round brilliant cut diamonds, British hallmarks for 18ct gold, size L / 5.5, 6.5g.

A SAPPHIRE AND DIAMOND DRESS RING the hexagonal face set to the centre with a round brilliant cut diamond, accented by further diamonds and calibre cut sapphires, no assay marks, size N / 6, 7.4g.

A SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with two rows of pear cut sapphires accented by a border of round brilliant cut diamonds, British hallmarks for 18ct gold, size L / 5.5, 6.4g.

AN ANTIQUE STAR SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold and silver, set with a round cabochon star sapphire of 9.63 carats within a border of round cut diamonds, unmarked, size N / 6.5, 9.

A DIAMOND DRESS RING in yellow gold, set with three rows of old cut diamonds, all totalling 2.2-2.5 carats, no assay marks, size P / 7.5, 6.3g.

A SAPPHIRE AND DIAMOND DRESS RING set with an oval cut sapphire of 0.55 carats in a stylised cross shaped border of french cut sapphires and single cut diamonds, no assay marks, size N / 6.75, 4.2g.

AN EMERALD AND DIAMOND DRESS RING set with a cushion cut emerald of 2.19 carats, between stepped shoulders set with round brilliant cut diamonds, no assay marks, size M / 6, 5.3g.

A BLUE ZIRCON AND DIAMOND DRESS RING set with a cushion cut blue zircon of 5.76 carats, accented to the openwork band with single cut diamonds, no assay marks, size M / 6, 6.6g.

A CORAL AND DIAMOND DRESS RING in yellow gold, in abstract design, set with cabochon coral and round cut diamonds totalling approximately 0.80 carats, marked indistinctly, size N / 6, 21.62g.

BLUE ZIRCON AND DIAMOND DRESS RING, set to the centre with an oval cut blue zircon of approx. 5.76 ct. The further openwork head set with diamonds. Size L 1/2. 6.7 grams.

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 DIAMOND DRESS RING, CIRCA 1930s/1940s two round brilliant-cut diamonds within a diamond-set angular scroll frame. Estimated total diamond weight 1.25ct, marked '750', ring size M, 6.7 grams One pri