TANZANITE AND DIAMOND DRESS RING

A TANZANITE AND DIAMOND DRESS RING in 18ct yellow gold, the tapering band set with a cushion cut tanzanite of 1.09 carats, between shoulders set with round cut diamonds, stamped 18K, size P / 7.5, 4.6

A 14ct white gold Tanzanite and diamond dress ring. Features on oval cut vivid Violet Blue Tanzanite at 2.26ct total carat weight and fifty round brilliant cut diamonds at 0.53ct carat diamond weight

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

A tanzanite and diamond dress ring. The oval-shape tanzanite, within a brilliant-cut diamond floral openwork surround, to the plain band. Estimated total diamond weight 0.20ct. Ring size N. Weight 3.9

A 14ct gold tanzanite and diamond dress ring. The oval-shape tanzanite, with brilliant-cut diamond double sides and tapered baguette-cut diamond shoulders. Tanzanite weight 1ct. Total diamond weight 0

A 9ct gold tanzanite and diamond dress ring. Of marquise-shape outline, the circular-shape tanzanite cluster, within a single-cut diamond surround, to the plain band. Hallmarks for Birmingham. Ring si

A 9ct gold tanzanite and diamond dress ring. The oval-shape tanzanite line, with single-cut diamond line sides. Hallmarks for Birmingham. Ring size L. Weight 2.8gms.

A 9ct gold tanzanite and diamond dress ring. Designed as a series of three oval-shape tanzanite's, with single-cut diamond asymmetric shoulders and plain band. Hallmarks for Birmingham. Ring size M. W

Four 9ct gold gem-set rings. To include an opal and diamond cluster ring, a tanzanite and diamond dress ring, together with two further rings. One AF. Estimated total diamond weight 0.35ct. Hallmarks

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 tanzanite, opal doublet and diamond dress ring. Of geometric design, the pear-shape tanzanite, with square-shape diamond lines and opal doublet shoulders. Estimated total diamond weight 0.40ct. Ring

A tanzanite, baguette and brilliant-cut diamond geometric dress ring,Tanzanite calculated weight 2.31cts, based on estimated dimensions of 8.8 by 7.1 by 4.1mms.Estimated total diamond weight 0.35ct.St

Six 9ct gold diamond and gem-set rings. To include an aquamarine and diamond dress ring, a tanzanite and diamond cluster ring, together with four further rings. Estimated total diamond weight 0.35ct.

Three 9ct gold gem-set rings. To include a sapphire and emerald geometric dress ring, a tanzanite and diamond cluster ring, together with a garnet and diamond cluster ring. Hallmarks for 9ct gold. Est

A selection of three 9ct gold gem-set rings. To include an opal and amethyst three-stone ring, a coated topaz and diamond dress ring, together with a tanzanite floral cluster ring. Hallmarks for 9ct g

A 9ct sapphire and diamond dress ring. The oval-shape tanzanite line, with single-cut diamond line sides. Hallmarks for Birmingham, 2006. Ring size P. Weight 2.4gms. Overall condition good. Minor surf

Four gem-set dress rings. To include a 9ct gold tanzanite and diamond ring, a 9ct gold sapphire and diamond ring, a 9ct gold vari-gem cluster ring, with one further gem-set ring. Three with hallmarks

Three 9ct gold gem-set and diamond rings. To include an orange sapphire and diamond floral ring, a peridot and diamond single-stone ring, together with a tanzanite three-row dress ring. Hallmarks for

J.ROCA: DIAMOND DRESS RING The brilliant-cut diamond, weighing 10.80 carats, the mount of foliate design, set with single-cut diamonds, the bifurcated shoulders set with single-cut diamonds, signed J.

TIFFANY & CO., JEAN SCHLUMBERGER, A STAR SAPPHIRE AND DIAMOND DRESS RING The oval cabochon star sapphire estimated to weigh between 55 to 60 carats, to crossover pavé set diamond leaf shoulders, ap

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 FINE 'TOI ET MOI' DIAMOND DRESS RING Each brilliant-cut diamond weighing 1.69ct and 1.81ct within an eight-claw setting to a plain hoop, mounted in 18K gold, with maker's mark, French assay mark, ri

DIAMOND DRESS RING The brilliant-cut diamond of yellow tint, within a bombé surround pavé-set with brilliant-cut diamonds, diamond untested for origin and natural colour, principal diamond a

A SAPPHIRE AND DIAMOND DRESS RING The central cushion-shaped sapphire weighing 5.59cts within a four-claw setting and between half-moon-shaped diamond shoulders, mounted in 18K gold, diamonds approxim