An early 20th century 18ct gold off-set old-cut diamond and emerald two-band ring.Emerald weight

AN ANTIQUE DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold, set with two old cut diamonds of approximately 0.55 and 0.52 carats, in a frame of further old cut diamonds, stamped 18CT, s

An early 20th century 18ct gold diamond set signet ring, rectangular head with a star set old cut diamond, estimated approximate weight 0.04ct, head dimensions 9.6 x 8.5mm, tapering engraved shoulders

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with a trio of graduated old cut diamonds within a stylised band, stamped 18ct, size M / 6.25, 2.9g.

An early 20th century 18ct gold diamond floral cluster ring. The old-cut diamond floral cluster, to the plain band. Estimated total diamond weight 0.45ct. Ring size I. Weight 2.4gms.

A SOLITAIRE DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond of 0.51 carats within a tapering band, stamped 18ct Plat, size K / 5.25, 2.4g.

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

NO RESERVE - A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with two old European brilliant cut diamonds, stamped 18ct Plat, size K / 5.25, 2.7g.

An early 20th century 18ct gold old-cut diamond floral cluster ring, with tapered shoulders, estimated total diamond weight 0.40ct, I-K colour, VS2-SI clarity, band stamped 18ct, ring size T, 2g

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 diamond ring and a 9ct gold emerald and diamond ring. The first designed as three old-cut diamonds inset to a tapered band, the second designed as a marquise-shape emer

AN ANTIQUE SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold, set with an old cut diamond of 0.32 carats, stamped 18c, size N / 6.75, 2.0g.

SOLITAIRE DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an old cut diamond, between geometric shoulders, stamped 18ct Plat, size K / 5.25, 2.2g.

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 20th century 18ct gold diamond dress ring. The old-cut diamond quatrefoil, with rose-cut diamond centre and sides. Estimated total old-cut diamond weight 0.70ct, I-J colour, SI clarity. Ring

An early 20th century 18ct gold old and rose-cut diamond crescent brooch.Estimated total diamond weight 0.65ct, G-H colour, VS-SI clarity.Diameter 2.5cms. 4.5gms.

NO RESERVE - A DIAMOND THREE STONE RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated old cut diamonds, the diamonds all totalling 0.41 carats, stamped 18CT, size M / 6, 2.5g.

AN ANTIQUE PEARL AND DIAMOND RING, EARLY 20TH CENTURY in yellow gold, the openwork face set with an old cut diamond and two pearls in a border of rose cut diamonds, further rose cut diamonds set to th

A SAPPHIRE AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated cushion cut blue sapphires, accented by pairs of old cut diamonds, stamped 18ct, size O / 7.25,

An early 20th century 18ct gold diamond ring. The old-cut diamond crossover terminals, to similarly-cut diamond scrolling foliate asymmetric sides and grooved band. Principal diamonds estimated total

An early 20th century 18ct gold diamond ring. The old-cut diamond, with openwork gallery and shoulders. Estimated diamond weight 0.65ct, H-I colour, VS2-SI1 clarity. Ring size M. Weight 5.3gms.

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 diamond cluster ring. The old-cut diamond collet, within a similarly-cut diamond and curved bar halo, to the old-cut diamond sides. Estimated total diamond weight 0.50c

An early 20th century 18ct gold amazonite cabochon ring, with old-cut diamond line sides.Amazonite estimated dimensions of 14.4 by 7 by 3.8mms.Estimated total diamond weight 0.10ct.Stamped 18ct. Ring

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.