A platinum diamond single-stone ring and a band 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

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

A platinum diamond single-stone ring. The brilliant-cut diamond, to the tapered shoulders and plain band. Estimated diamond weight 2.35cts, I-J colour, P3 clarity. Hallmarks for London, 2004. Weight 5

(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 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 brilliant-cut diamond, with tapered shoulders. Diamond weight 0.33ct, stamped to band, estimated H-I colour, SI clarity. Hallmarks for London. Ring size L1/2.

A platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with bar sides and tapered band. Diamond weight 0.33ct, H-I colour, P1 clarity. Hallmarks for London. Ring size O.

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

A platinum diamond single-stone ring. The brilliant-cut diamond collet, with tapered shoulders. Diamond weight 0.16ct, stamped to band, estimated H-I colour, P1 clarity. Hallmarks for London. Weight 3

A mid 20th century 18ct gold and platinum diamond single-stone ring. The brilliant-cut diamond collet, to the tapered shoulders and plain band. Estimated diamond weight 0.45ct, J-K colour, P1. Weight

A diamond single-stone ring claw-set with a round brilliant-cut diamond, to a plain band, mounted in platinum; together with a baguette and round brilliant-cut diamond half-eternity ring, mounted in p

A diamond single-stone ring claw-set with a cut-cornered square modified brilliant-cut diamond, to a plain band, mounted in platinum; with GIA later inscription number 6107374369, stating that the dia

A mid 20th century platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with single-cut diamond line sides, to the plain band. Estimated total diamond weight 0.55ct, I-J colour

A mid 20th century platinum and 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, to the single-cut diamond asymmetric sides and plain band. Estimated total diamond weight

PLATINUM DIAMOND RING ~ SIZE 6.75, ART DECO STYLE DESIGN SET WITH A EUROPEAN CUT DIAMOND CENTER STONE (1.37CT TW) AND SURROUNDED BY FOUR SINGLE CUT DIAMONDS ON EACH SIDE OF THE BAND (APPROX 1.45CT TDW

Art Deco platinum eternity band. Band consists of single cut diamonds and 4 carved ruby leaves. Approx. ring size 6.25. Total weight including stones: 4.8 dwt. Condition: Missing a diamond. GEMOLOGIST

METAL: platinum. GEMSTONES: diamonds-approx. 1.25ctw (comes with copy of GSI report #21755000101). MEASUREMENTS: ring size 5. Band is 4mm at widest point. MARKED: Plat. WEIGHT: 8.1 grams. Gemstones ha

METAL: platinum. GEMSTONES: diamonds, green stones. MEASUREMENTS: ring size 6.5. Band is 2.5mm wide. MARKED: Plat. WEIGHT: 2.5 grams. Gemstones have not been graded for color and clarity ,and tested f

METAL: platinum. MEASUREMENTS: ring size - 10 1/4, ring top is 3.8mm wide. GEMSTONES: 5 diamonds - approx. 0.50ctw (old mine cut). TESTED: plat. WEIGHT: 4.1 grams.Gemstones have not been graded for co

Certified 0.43 Ctw Diamond VS/SI1 Creature Style Platinum Band Ring -- Diamond Stone Weight ; 0.43 Ctw (86 Pcs Round) Center Stone Color: White G-H Diamond Stone Clarity: VS/SI1 Center Stone Setting ;

Two 9ct gold rings. To include an illusion-set brilliant-cut diamond single-stone ring, together with a bi-colour woven band ring. Hallmarks for 9ct gold. Weight 4.9gms. Overall condition fair to good

JOLA7432.41 Grams of Platinum Single Cut Diamond BandRing Size:6 1/4

A 1940s diamond single-stone ring claw-set with a round-cut diamond, each shoulder set with a tapered baguette-cut diamond, to a plain band(Ring size: M/N)

A diamond single-stone ring. The rose-cut diamond, to the similarly-cut diamond accent shoulders and plain band. Ring size M. Weight 2.4gms.