A topaz and diamond dress ring.

A PINK TOPAZ AND DIAMOND DRESS RING, 19TH CENTURY AND LATER in yellow gold and silver, later converted to a ring with the addition of a ring band, set with an oval cut pink topaz between rose cut diam

A topaz and diamond dress ring. The square-shape brownish orange topaz, with undulating collet and brillant-cut diamond accent band. Ring size H. Weight 8.9gms

A 9ct gold topaz and diamond dress ring. The three graduated oval-shape blue topaz, each within a single-cut diamond illusion surround, to the plain band. Hallmarks for Birmingham. Ring size L. Weight

A 9ct gold coated topaz and diamond dress ring. The oval-shape coated pink topaz, with a single-cut diamond surround and openwork shoulders. Hallmarks for Birmingham. Ring size M. Weight 3.3gms. Overa

Four 9ct gold diamond and gem-set rings. To include a blue topaz and diamond dress ring, a pink sapphire five-stone ring, together with two diamond rings. Estimated total diamond weight 0.40ct. Hallma

Three 9ct gold diamond and gem-set rings. To include a sapphire and diamond cluster ring, a ruby and diamond cluster ring, with a blue topaz and diamond dress ring. Hallmarks for 9ct gold. Weight 5.6g

A selection of three 9ct gold diamond and gem-set rings. To include a diamond illusion-set cluster ring, a sapphire and diamond cluster ring and a blue topaz and diamond dress ring. Estimated total di

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

Two 9ct gold gem-set rings. To include a coated topaz and diamond dress ring, together with an opal triplet and diamond dress ring. Hallmarks for Birmingham. Weight 6gms.

Three dress rings, variously set with garnet, peridot, topaz, diamond and split pearls.Estimated total diamond weight 0.10ct.

Six gem-set rings. To include a 9ct gold emerald and diamond dress ring, a 9ct gold blue topaz and amethyst dress ring, with four further rings. Four with hallmarks for 9ct gold. Total weight 14.5gms.

Four 9ct gold diamond and gem-set rings. To include a blue topaz and diamond cluster ring, an emerald and diamond dress ring, together with two further diamond and gem-set rings. Estimated total diamo

Three 9ct gold gem-set rings. To include a blue paste and cubic zirconia dress ring, a coated topaz and diamond ring, with a blue topaz and diamond ring. Hallmarks for 9ct gold. Weight 9.4gms.

Three 9ct gold gem-set dress rings. To include an amethyst and diamond dress ring, a sapphire and diamond dress ring, together with a blue topaz single-stone ring. Hallmarks for 9ct gold. Weight 6gms.

Three gem-set dress rings, variously set with peridot, garnet, topaz and diamond.Estimated total diamond weight 0.15ct. Ring sizes M to M1/2.

A selection of three gem-set rings. To include a 9ct gold yellow gem with diamond collet inset dress ring, together with a matching blue topaz ring, together with a triangular-shape amethyst ring. Two

10kt and 14kt yellow gold cluster ring with a central oval cut dark blue topaz surrounded by small diamonds, size 5 1/2, together with a10kt yellow gold cluster ring with rubies and diamonds, size 6,

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

GRIMA: BOULDER OPAL AND DIAMOND DRESS RING, 1977 The oval boulder opal in a pierced mount of textured wire with brilliant-cut diamond accents, mounted in 18 carat gold, signed Grima, workshop mark HJC