An early 20th century platinum old-cut diamond single-stone ring. Principal diamond estimated weight

An early 20th century 9ct gold old-cut diamond single-stone ring.Estimated diamond weight 0.35ct, H-I colour, SI clarity.Ring size K1/2. 1.6gms.

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

An early 20th century 18ct gold diamond single-stone ring. The old-cut diamond, with scalloped mount and tapered shoulders. Estimated diamond weight 0.50ct, L-tinted colour, P1 clarity. Hallmarks for

An early 20th century 18ct gold diamond single-stone ring. The old-cut diamond, with openwork surround and grooved shoulders. Estimated diamond weight 0.10ct. Ring size K1/2. Weight 2.7gms. Overall co

An early 20th century 14ct gold diamond single-stone ring. The old-cut diamond collet, to the rose-cut diamond foliate shoulders with circular-shape emerald accents. Principal diamond estimated weight

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

An early 20th century diamond three-stone ring. The graduated circular and old-cut diamond line, star-set to the plain band. Estimated total diamond weight 0.35ct, principal diamond estimated H-I colo

An early 20th century platinum and gold, old and rose-cut diamond ring.Estimated total diamond weight 0.75ct. Ring size P. 5.3gms.

An early 20th century 18ct gold old-cut diamond five-stone ring, estimated total diamond weight 0.10ct, hallmarks for Birmingham 1920, ring size L, 3.1g

An early to mid 20th century platinum and 18ct gold old-cut diamond floral dress ring.Estimated total diamond weight 1.20cts, H-I colour, SI1-P1 clarity.Ring size O1/2. 3.3gms.

An early 20th century 18ct gold alternating graduated split pearl and old-cut diamond five-stone ring.Estimated total diamond weight 0.65ct, G-I colour, SI clarity.Stamped 18c. Ring size I1/2. 3.1gms.

A mid 20th century gold diamond five-stone ring. The graduated old-cut diamond line, to the tapered shoulders and plain band. Estimated total diamond weight 1ct. Principal diamond estimated I-J colour

Two early 20th century 18ct gold diamond rings. To include a single-cut diamond floral cluster ring, together with a diamond five-stone ring. Estimated total diamond weight 0.10ct. Weight 3.7gms. Over

A mid 20th century diamond five-stone ring. The circular-cut diamond, with graduated old-cut diamond sides. Principal diamond estimated weight 0.85ct, I-J colour, P1-P2 clarity. Weight 2.6gms.

An early 20th century platinum and 9ct gold blue zircon and single-cut diamond cluster ring.Zircon calculated weight 1.96cts, based on estimated dimensions of 6.85 by 4.5mms.Estimated total diamond we

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond, within a single-cut diamond surround, to the plain band. Principal diamond estimated weight 0.75ct, tinted colour, SI clarity. R

A mid 20th century 18ct gold diamond cluster ring. The old-cut diamond, within a single-cut diamond scalloped surround. Estimated total diamond weight 0.40ct, principal diamond estimated I-J colour, S

An early 20th century 18ct gold diamond three-stone ring. The old-cut diamond line, with tapered shoulders. Estimated total diamond weight 0.30ct. Ring size J1/2. Weight 1.8gms

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

An early 20th century diamond single-stone ring. The circular-cut diamond, within an openwork scrolling surround, to the similarly designed shoulders. Estimated diamond weight 0.25ct, I-J colour, VS c

An early 20th century 18ct gold diamond five-stone ring. The graduated old-cut diamond line, to the tapered band. Estimated total diamond weight 0.45ct, I-J colour, SI2-P3 clarity. Hallmarks for Londo

An early 20th century 18ct gold diamond five-stone ring. The graduated old-cut diamonds, to the scrolling shoulders and replacement band. Estimated total diamond weight 0.35ct, I-J colour, SI clarity.

An early 20th century 18ct gold sapphire and diamond five-stone ring. The alternating circular-shape sapphire and old-cut diamond line, to the tapered shoulders. Estimated total diamond weight 0.40ct,

An early 20th century 18ct gold opal and diamond three-stone ring. The graduated oval opal cabochon line, with old-cut diamond double spacers. Estimated total diamond weight 0.10ct. Ring size L1/2. We