An early 20th century silver and gold graduated square-shape old-cut diamond line necklace, with

AN EARLY 20TH CENTURY CONVERTIBLE DIAMOND FLORAL TIARA/NECKLACE CIRCA 1910With seven graduated old mine cut diamond set gold backed silver flower heads, with screw fittings verso, one later, with rose

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. Designed as a graduated old-cut diamond line, with pierced surround and tapered shoulders. Estimated total diamond weight 0.35ct. Ring size O.

Two early 20th century diamond and gem-set brooches. To include an alternating square-shape emerald and old-cut diamond line brooch, together with a Martin Mayer green paste circle brooch. One with ma

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,

Two late 19th and early 20th century gold diamond and gem-set rings. To include an Edwardian 18ct gold alternating graduated circular-shape sapphire and old-cut diamond ring, together with a 15ct gold

An early 20th century 18ct gold opal and diamond ring. The graduated oval opal cabochon line, with old-cut diamond line spacers and tapered shoulders. Hallmarks for Birmingham. Ring size Q1/2. Weight

An early 20th century 18ct gold diamond and ruby five-stone ring. The graduated circular-shape ruby and single-cut diamond line, with textured shoulders. Hallmarks for Chester, 1919. Ring size Q. Weig

An early 20th century gold ruby and diamond three-stone ring. The circular-shape ruby line, with old-cut diamond double spacers, to the scrolling shoulders and plain band. Estimated total diamond weig

An early 20th century 14ct gold amethyst and diamond hinged bangle. The circular-shape amethyst, with graduated old-cut diamond sides, atop the openwork tapered bangle. Estimated total diamond weight

A mid 20th century 18ct gold diamond dress ring. Of marquise-shape outline, the graduated old-cut diamond line, with tapered shoulders. Estimated total diamond weight 0.25ct. Ring size K. Weight 2.4gm

An early 20th century 18ct gold split pearl and diamond five-stone ring. The graduated split pearl line, with old-cut diamond spacers and pierced gallery. Estimated total diamond weight 0.15ct. Ring s

An early 20th century 18ct gold diamond and opal dress ring. The oval-shape opal cabochon line, with old-cut diamond spacers. Hallmarks for Birmingham, 1916. Ring size N1/2. Weight 3.5gms. Overall con

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

An early 20th century 15ct gold ruby and diamond bar brooch. Of openwork design, the old-cut diamond and circular-shape ruby collet line, with shared halo surrounds and old-cut diamond collet accent t

An early 20th century 18ct gold sapphire and diamond ring. The oval-shape sapphire line, with old and rose-cut diamond spacers, to the plain band. One sapphire deficient. Band split. Hallmarks for Bir

An early 20th century silver and gold diamond brooch. The old-cut diamond foliate panels, to the scrolling surmount. Estimated total diamond weight 0.50ct. Length 3.9cms. Weight 3.8gms.

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.

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

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

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 gold diamond five-stone ring. The graduated single-cut diamond line, with scrolling sides. Ring size L 1/2. Weight 2.6gms. Overall condition fair to good. Some surface scratches,

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 18ct gold diamond five-stone ring. The graduated circular-cut diamond line, with openwork gallery. Estimated total diamond weight 0.25ct. Hallmarks for Birmingham, 1919. Ring siz