A mid 20th century platinum diamond two-stone crossover

An early 20th century platinum old-cut diamond two-stone crossover ring, with asymmetric shoulders, estimated total diamond weight 0.55ct, H-J colour, SI2-P1 clarity, band stamped PLAT, ring size N, 2

A mid 20th century 18ct gold diamond two-stone crossover ring. The old and brilliant-cut diamond collets, to the scrolling shoulders and plain band. Estimated total diamond weight 0.25ct. Weight 2.3gm

Two mid 20th century 18ct gold diamond and gem-set rings. To include a circular-shape sapphire and single-cut diamond cluster ring, together with a graduated rose-cut diamond three-stone crossover rin

Two mid 20th century 18ct gold and platinum diamond three-stone rings. Each designed as three brilliant-cut diamonds, to the plain band. Estimated total diamond weight 0.45ct. Weight 5gms. Overall con

Two early 20th century platinum and 18ct gold diamond and gem-set rings. To include a diamond three-stone crossover ring, together with an alternating sapphire and old-cut diamond five-stone ring. Est

Two mid 20th century gold diamond rings. To include an illusion-set brilliant-cut diamond single-stone ring with foliate shoulders, together with a 9ct gold similarly-set diamond crossover ring with g

An early 20th century platinum two-stone crossover ring mount. Weight 4.5gms.

An early 20th century gold diamond two-stone crossover ring. The circular-cut diamonds, with asymmetric shoulders. AF. Estimated total diamond weight 0.30ct. Weight 1.6gms.

A mid 20th century platinum diamond five-stone ring. The graduated old-cut diamond line, to the ridged shoulders and plain band. Estimated total diamond weight 0.65ct, I-J colour, SI1-P1 clarity. Weig

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 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 mid 20th century 18ct gold and platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with tapered shoulders and single-cut diamond accents. Principal diamond estimated

A mid 20th century platinum and 18ct gold diamond single-stone ring. The circular-cut diamond, with pave-set diamond line sides. Principal diamond estimated weight 0.30ct, I-J colour, P1 clarity. Ring

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

A mid 20th century 18ct gold and platinum diamond three-stone ring. The graduated brilliant-cut diamonds, each within an illusion setting, to the tapered shoulders and plain band. Estimated total diam

A mid 20th century platinum and 18ct gold diamond three-stone ring. The slightly graduated circular-cut diamonds, to the tapered band. Estimated total diamond weight 0.35ct, I-J colour, SI clarity. Ri

Five gold gem-set rings. To include an early 20th century platinum and 18ct gold single-cut diamond three-stone crossover ring, an early 20th century 18ct gold and platinum synthetic ruby dress ring,

A mid 20th century platinum and 18ct gold diamond and paste three-stone ring. The graduated brilliant-cut diamonds and replacement colourless paste, to the asymmetric sides and plain band. One replace

Three gem-set rings. To include a mid 20th century synthetic sapphire single-stone ring, a graduated diamond five-stone ring, together with a graduated diamond three-stone crossover ring. One AF. Esti

Two mid 20th century 18ct gold and platinum, diamond and sapphire rings. The first designed as a circular-shape sapphire with single-cut diamond surround, the second designed as a circular-cut diamond

An 18ct gold and five platinum three stone diamond ring, mid 20th century, size N.

A mid 20th century turquoise and diamond five-stone ring. The old-cut diamond, with circular turquoise cabochon and single-cut diamond sides, to the crossover shoulders. Estimated total diamond weight

ASSORTED 14K GOLD LADY'S RINGS, LOT OF EIGHT, marked, several set with melee diamonds, two lacking stone. Total weight: 16.3 grams. Mid 20th/early 21st century. Various sizes.Excellent condition.Prove

Three mid 20th century gold diamond rings. To include a brilliant-cut diamond crossover ring, a diamond five-stone ring, and a circular-cut diamond crossover ring. Estimated total diamond weight 0.55c