A sapphire and brilliant-cut diamond ring. Sapphire calculated weight 3.65cts, based on estimated

A sapphire and brilliant-cut diamond cluster ring.Sapphire calculated weight 1.58cts, based on estimated dimensions of 7.8 by 5.9 by 4.1mms.Estimated total diamond weight 0.50ct, H-J colour, SI1-P1 cl

A yellow sapphire and old-cut diamond cluster ring. Sapphire calculated weight 20.06cts, based on estimated dimension of 17.35 by 13.5 by 10.2mms.Estimated total diamond weight 1.50cts, G-H colour, pr

A 1970s 18ct gold sapphire and single-cut diamond cluster ring. Sapphire calculated weight 0.95ct, based on estimated dimensions of 7.2 by 5.2 by 3mms.Estimated total diamond weight 0.35ct.Hallmarks f

A sapphire and pavé-set diamond dress ring.Sapphire calculated weight 1.55cts, based on estimated dimensions of 8 by 6.1 by 3.8mms. Estimated total diamond weight 1.50cts, G-H colour, VS2-SI1 clari

A sapphire and diamond dress ring. Sapphire calculated weight 0.60ct, based on estimated dimensions of 5.1 by 4.5 by 2.6mms.Estimated total diamond weight 0.65ct.Stamped PLAT.Ring size N. 5.3gms.

An 18ct gold sapphire and brilliant-cut diamond three-stone ring, sapphire estimated weight 2ct, estimated total diamond weight 0.40ct, estimated L-tinted colour, VS2-SI1 clarity, hallmarks for Birmin

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

A yellow sapphire and diamond three-stone band ring.Sapphire calculated weight 4cts, based on estimated dimensions of 8.2 by 9.3 by 6mms.Estimated total diamond weight 1ct, I-J colour, SI1-P1 clarity.

A mid 20th century silver sapphire cabochon and old-cut diamond floral brooch.Sapphire calculated weight 12.42cts, based on estimated dimensions of 12.6 by 11 by 8.3mms.Estimated total diamond weight

A sapphire, ruby and brilliant-cut diamond snake ring, with pave-set diamond crest and brilliant-cut diamond eyes, estimated total diamond weight 0.40ct, ring size P, 3.8g

14 karat gold custom design ring with one pink star sapphire, estimated weight 5.83 carats, with 68 brilliant-cut diamonds pavé set totaling approximately 0.95 carats, size 7-1/4, 13.5 grams, wit

A 9ct gold blue sapphire and white gem cluster ring and a diamond three-stone ring. Calculated weight of sapphire 2.68cts, based on estimated dimensions of 9 by 7.1 by 5mms. Estimated total diamond we

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

A sapphire and diamond three-stone ring. The cushion-shape orange sapphire, with brilliant-cut diamond sides. Estimated diamond weight 0.30ct, L-tinted colour, SI2-P1 clarity. Ring size M1/2. Weight 3

A sapphire and diamond three-stone ring. The oval-shape sapphire and brilliant-cut diamonds, inset to the tapered band. Estimated total diamond weight 0.20ct. Ring size I1/2. Weight 7.6gms.

A sapphire and diamond ring. Designed as a rectangular-shape sapphire, with brilliant-cut diamond shoulders and plain band. Estimated total diamond weight 0.20ct. Ring size J. Weight 7.2gms.

An 18ct gold diamond and sapphire cluster ring. The rectangular-shape sapphire line, with brilliant-cut diamond surround. Estimated total diamond weight 0.30ct. Hallmarks for Sheffield. Ring size M1/2

An 18ct gold sapphire and diamond ring. Comprising three oval-shape sapphires, with brilliant-cut diamond double spacers. Estimated total diamond weight 0.10ct. Hallmarks for London. Ring size N. Weig

An 18ct gold sapphire and diamond ring. The oval-shape sapphire, with brilliant-cut diamond sides. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham, 1986. Ring size H. Weight 2.1gms.

A sapphire and diamond dress ring. The brilliant-cut diamond collet, within a similarly-cut diamond and calibre-cut sapphire panel, to the plain band. Principal diamond estimated weight 0.90ct, J-K co

A sapphire and diamond cluster ring. The oval-shape sapphire, with brilliant-cut diamond surround. Estimated total diamond weight 8.6 by 6.5 by 5mms. Estimated total diamond weight 0.30ct. Stamped 750

An 18ct gold sapphire and diamond cluster ring. The oval sapphire, within a brilliant-cut diamond scalloped surround and tapered band. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham,

An 18ct gold sapphire and diamond three-stone ring. The oval-shape sapphire, with brilliant-cut diamond sides, to the tapered band. Estimated total diamond weight 0.40ct, Hallmarks for London, 1981. R

An 18ct gold sapphire and diamond three-stone ring. The oval-shape sapphire, with brilliant-cut diamond sides, to the tapered band. Estimated total diamond weight 0.30ct, H-I colour, SI clarity. Impor