A sapphire and diamond dress ring. The circular-shape

A sapphire and diamond dress ring. The circular-shape sapphire collets, within a single-cut diamond figure eight surround, with similarly-cut diamond accent sides and bifurcated shoulders. Estimated t

TIFFANY & CO. - a platinum sapphire and diamond dress ring. The circular-shape sapphire, with marquise-shape and brilliant-cut diamond stylised petal sides. Signed Tiffany & Co. Estimated total diamon

A 9ct gold sapphire and diamond dress ring. The circular-shape sapphire panel, within a single-cut diamond border, to the plain band. Hallmarks for Sheffield, 2014. Weight 2.6gms.

An 18ct gold sapphire and diamond dress ring. The three slightly graduated circular-shape sapphires, with brilliant-cut diamond double spacers and trefoil terminals. Estimated total diamond weight 0.1

An 18ct gold sapphire and diamond dress ring. Designed as a illusion-set diamond and circular-shape sapphire floral cluster, with openwork gallery and tapered shoulders. Hallmarks for London, 1979. Ri

A zircon and diamond dress ring. The circular-shape blue zircon, with single-cut diamond tapered shoulders. Zircon weight 2.85cts. Ring size N1/2. Weight 4.1gms.

A 1920s 18ct gold ruby and diamond dress ring. The circular-shape ruby and rose-cut diamond alternating line, with tapered shoulders. Hallmarks for Birmingham, 1921. Ring size N1/2. Weight 2.8gms. Ove

An early 20th century 18ct gold synthetic ruby, ruby and diamond dress ring. The circular-shape synthetic ruby and ruby line, with rose-cut diamond surround and openwork gallery. Hallmarks for Chester

A sapphire and diamond dress ring, the circular shaped sapphire claw set between clusters of eight cut diamonds, finger size M

ANTONIAZZI CHIAPPE (attributed to) - a sapphire and diamond dress ring. The circular sapphire cabochon, with graduated baguette-cut diamond line sides, to the bi-colour tapered band. Indistinctly sign

A sapphire and diamond ring. The circular-shape sapphire, to the brilliant-cut diamond line sides and plain band. Estimated total diamond weight 0.10ct. Weight 2.4gms.

A 9ct gold sapphire and diamond cluster ring. Thecircular-shape sapphire, within a brilliant-cutdiamond surround, to the trifurcated shouldersand plain band. Estimated total diamond weight0.40ct. Hall

A diamond and citrine dress ring. The circular-shape citrine, with single-cut diamond surround and openwork gallery. Estimated total diamond weight 0.30ct. Ring size M1/2. Weight 8gms.

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.

An 18ct gold sapphire and diamond dress ring. The oval-shape sapphire, within a pave-set old-cut diamond surround, to the bifurcated shoulders. Estimated total diamond weight 1.50cts. Hallmarks for Bi

A sapphire and diamond dress ring. The kite-shape sapphire, with brilliant-cut diamond scalloped surround, and baguette-cut diamond shoulders. Estimated total diamond weight 0.70ct. Ring size M. Weigh

An 18ct gold ruby and diamond dress ring. The oval and circular-shape ruby collets, with brilliant-cut diamond double intervals, to the tapered band. Estimated total diamond weight 0.10ct. Hallmarks f

A sapphire and diamond dress ring. The oval-shape sapphire line, within a single-cut diamond surround. Estimated total diamond weight 0.75ct. Ring size Q. Weight 5.8gms.

An 18ct gold sapphire and diamond dress ring. The oval-shape yellow sapphire, with brilliant-cut diamond trefoil sides, to the plain band. Estimated total diamond weight 0.20ct. Hallmarks for Birmingh

A sapphire and diamond cluster ring. The circular-shape sapphire and single-cut diamond cluster, to the sapphire rope-twist surround and four-row band. Estimated total diamond weight 0.20ct. Weight 4.

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 18ct gold sapphire and diamond cluster ring. The circular-shape sapphire, with single-cut diamond surround. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1997. Ring size M. Weigh

A sapphire and diamond cluster ring. The circular-shape sapphire, within a similarly-shaped sapphire and brilliant-cut diamond surround. Estimated total diamond weight 0.20ct. Weight 3.6gms.

A mid 20th century 18ct gold sapphire and diamond cluster ring. The circular-shape sapphire collet and old-cut diamond cluster with tapered band. Estimated total diamond weight 0.25ct. Ring size K1/2.