An early 20th century old-cut diamond op

Silver, gold and diamond bangle, early 20th century Old European-cut diamonds weighing approximately 3 ct Weight gr 19,4 Inner circumference cm 5,4

ANTIQUE GOLD, DIAMOND AND ENAMEL PIN FORMED AS TWO PANSIESEarly 20th CenturyOld mine-cut diamonds, diameters approx. 3.0mm and 2.8mm, the smaller champagne-colored. Unmarked. Length 1.25”.Approx

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

SIGNED TIFFANY & CO. ART DECO PLATINUM, DIAMOND AND SAPPHIRE LOW DOME RING, early 20th century. Old European cut round diamond weighing approx 1.00 ct. Centered by two lines of six calibré-cut sapp

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

Chinese 18 kt gold, assay marking, from the early 20th century, studded with old cut diamonds, of approx. 0.9 ct. Approx. weight: 4.87 g. Med.: 11.

EARLY 20TH CENTURY PLATINUM AND OLD MINE CUT DIAMOND ARROW PIN. Point and feather tail set with total of 28 old mine cut diamonds together weighing approximately 2.75 ct. - L: 3".

An early 20th century diamond brooch. The old-cut diamond, within a similarly-cut diamond ribbon surround, suspending an old-cut diamond two-stone drop. Estimated total diamond weight 0.75ct. Length 3

incisa e sbalzata, con tre diamanti centrali taglio vecchio e diamanti taglio rosa, cts. 4.00 totali circa. Cm. 9. Gr. 8 An early 20th Century platinum brooch with old cut diamonds and rose cut diamon

con zaffiro centrale taglio carrè e diamanti taglio vecchio, cts. 1.60 circa. Misura 17. Gr. 3.5 An english platinum ring, made in early 20th Century, with sapphire and old cut diamonds, cts. 1.60, S

An early 20th century 15ct gold amethyst and old-cut diamond foliate drop pendant, with integral chain.Estimated total diamond weight 0.10ct.Clasp stamped 15ct.Length of drop 4.5cms. Length of necklac

An early 20th century gold, opal cabochon and old-cut diamond cluster ring, estimated total diamond weight 0.80ct, I-J colour, SI clarity, opal measures approximately 13.5 by 11 by 3.9mm, ring size S,

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.

TIFFANY & CO. - a gentleman's early 20th century gold diamond ring. The old-cut diamond, inset to the tapered sides and plain half-band. Stamped Tiffany & Co. Estimated diamond weight 0.50ct, I-J colo

An early 20th century diamond bar brooch. The old-cut diamond floral cluster, with knife-edge bar sides and similarly-cut diamond collet terminals. Estimated total diamond weight 0.70ct. Length 5cms.

An early 20th century diamond cluster ring. The old-cut diamond, within a similarly-cut diamond surround, to the later replacement tapered band. Estimated total diamond weight 0.40ct. Ring size S. Wei

A gold diamond and paste brooch. Designed as an early 20th century 15ct gold bow, with old-cut diamond highlight, to the later added green paste drop with scrolling detail. Length 4.5cms. Total weight

ornate gilt sterling silver ciborium by Punte Galleries, Baltimore, MD, early 20th century, adorned with 39 Old European cut diamonds and 18 amethysts, hand chased and engraved, applied filigree decor

An early 20th century platinum and gold, turquoise and old-cut diamond cluster brooch.Turquoise estimated dimensions of 17.6 by 16 by 8.5mms.Estimated total diamond weight 3.90cts, G-I colour, SI1-P1

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

A late 19th / early 20th century diamond ring set with five old-cut diamonds of approximately 1.40 carats combined, in unmarked yellow gold mount, size N 1/2, 3.5 grams.