A platinum diamond ring. The rectangular-shape diamond,

A platinum diamond single-stone ring. The rectangular-shape diamond, with tapered shoulders. Diamond weight 0.40ct, stamped to band, estimated I-J colour, SI clarity. Hallmarks for London, 2006. Ring

A platinum diamond single-stone ring. The rectangular-shape diamond, to the knife-edge sides and plain band. Diamond weight 0.34ct, stamped to band, estimated K-L colour, P1 clarity. Hallmarks for Bir

(107221) A platinum diamond band ring. Designed as alternating rectangular-shape and brilliant-cut diamonds set to the wide band. Estimated total diamond weight 0.50ct. Hallmarks for Birmingham. Ring

A mid 20th century platinum, sapphire and diamond cluster ring. The rectangular-shape sapphire, within a circular-cut diamond scalloped surround, to the openwork gallery. Estimated total diamond weigh

A platinum sapphire and diamond three-stone ring. The rectangular-shape sapphire, with baguette-cut diamond sides. Total diamond weight 0.18ct, stamped to band. Hallmarks for Sheffield. Ring size N. W

A mid 20th century sapphire and diamond cluster ring. The rectangular-shape sapphire, within an old-cut diamond surround, to the grooved shoulders and plain band. Estimated total diamond weight 0.35ct

ANTIQUE PLATINUM-ON-YELLOW GOLD, DIAMOND AND SYNTHETIC SAPPHIRE RING. Cushion shape rectangular synthetic sapphire weighing 3.50-4.00 ct. surrounded by 14 old mine cut diamonds together weighing appr

This is a lovely diamond and jade ring, crafted from 18k yellow gold featuring a long rectangular shape high polished grass green jade stone held in 4 prongs and is surrounded with round and baguette

This is an interesting men's ring, it has two side and can be worn with a different color, blue or black, from 18k white gold with a brush textured finish. The top is a long rectangular shape with a c

An 18ct gold diamond ring. The rectangular-shape diamond line, within a channel-setting, to the brilliant-cut diamond sides and plain band. Estimated total diamond weight 0.40ct. Hallmarks for London,

A diamond single-stone ring. The rectangular-shape diamond, weighing 4.73cts, to the tapered shoulders and plain band. Accompanied by report number 20022002, dated 11th February 2015, from AnchorCert,

An 18ct gold diamond single-stone ring. The rectangular-shape diamond, to the tapered shoulders and plain band. Estimated total diamond weight 5-5.25cts, K-L colour, P1 clarity. Hallmarks for Birmingh

A platinum diamond band ring. The square-shape diamond scrolling line, inset to the plain band. Estimated total diamond weight 1.50 to 1.75cts. Hallmarks for London, 2007. Ring size T. Weight 9.4gms.

An 18ct gold diamond single-stone ring. The rectangular-shape diamond, with tapered shoulders. Estimated diamond weight 0.50ct, H-I colour, VS clarity. Hallmarks for Sheffield. Ring size J1/2. Weight

An 18ct gold diamond three-stone ring. The rectangular-shape diamond, with brilliant-cut diamond shoulders, to the plain band. Total diamond weight 0.52ct, stamped to band. Principal diamond estimated

Platinum and Diamond Ringcentering a pear-shape diamond weighing 3.26 cts. flanked by tapered baguettes; 3.34 dwts.; size 5 1/2Provenance: The Estate of a West Hartford, Connecticut Lady.Other Notes:

A platinum diamond single-stone ring. The square-shape diamond, to the tapered shoulders and plain band. Estimated diamond weight 0.40ct, I-J colour, SI clarity. Hallmarks for Birmingham, 2001. Weight

(1345) A platinum diamond single-stone ring. The square-shape diamond, with tapered shoulders. Diamond weight 0.47ct, stamped to band, estimated K-L colour, SI2-P1 clarity. Hallmarks for London. Ring

A platinum diamond single-stone ring. The square-shape diamond, with tapered band. Estimated diamond weight 0.25ct, H-I colour, SI clarity. Hallmarks for Birmingham. Ring size K 1/2. Weight 2,9gms. Ov

Pear Classic 3.76ct. Natural Pear cut diamond ring.K-colorSi-1 clarity13.9 X 9.3mmExcellent Brilliance.Platinum6.1 grams.current ring size: 9.25We may resize, please inquire.$45,000 Appraisal Certific

An emerald and diamond ring. The rectangular-shape emerald, with pave-set diamond sides. Estimated dimensions of emerald 10.5 by 6.9 by 3.9mms. Estimated total diamond weight 1.25cts. Ring size H. Wei

An emerald and diamond ring. The rectangular-shape emerald with old-cut diamond trefoil sides, to the pave-set diamond and pierced chevron motif, geometric shoulders. Estimated total diamond weight 0.

A tourmaline and diamond ring. The rectangular-shape tourmaline collet, with old and rose-cut diamond surround, to the textured shoulders. Ring size L1/2. Weight 4.3gms.

A platinum diamond five-stone ring. The rectangular brilliant-cut diamond, weighing 1.02cts, with graduated similarly-cut diamond sides, to the plain band. Accompanied by five diamond reports from GIA