A pair of early 20th century platinum old-cut diamond drop earrings

A PAIR OF ANTIQUE DIAMOND DROP EARRINGS, EARLY 20TH CENTURY in yellow gold and platinum, each set with a row of three old cut diamonds suspending a cluster of old cut diamonds, stamped 18ct, 2.6cm, 4.

A PAIR OF PEARL AND DIAMOND EARRINGS, EARLY 20TH CENTURY in white gold, each set with a pearl of 11.4mm, below drops set with old and single and rose cut diamonds, unmarked, 4.5cm, 8.5g.

A PAIR OF EARLY 20TH CENTURY SAPPHIRE AND DIAMOND PENDANT EARRINGS, oval-cut sapphires in milgrain settings suspended from old-cut diamond-set articulated links, total estimated sapphire weight 4.67ct

A PAIR OF ANTIQUE ONYX AND DIAMOND DROP EARRINGS, EARLY 20TH CENTURY in yellow gold, of circular design, set with polished black onyx cabochons overlaid with floral motifs, set with rose cut diamonds,

A group of Early 20th Century opal and fourteen karat gold jewelryincluding a pair of floriform oval jelly opal cluster stud earrings; two rings set with oval opal cabochons or old mine-cut diamonds.

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

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".

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

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 platinum and gold, old and rose-cut diamond ring.Estimated total diamond weight 0.75ct. Ring size P. 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 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 European platinum engagement ring set with old mine brilliant cut diamonds with a 0.9ct center. Hallmarked and cast in 90% platinum. Fine Fashionable Natural Precious Stones Jewe

A pair of early 20th century gold chysoberyl and diamond ear pendants. Each designed as a chrysoberyl cabochon, to the knife edge bar and old-cut diamond collet surmount. Estimated total diamond weigh

A DIAMOND AND ENAMEL BROOCH, EARLY 20TH CENTURY in platinum and yellow gold, the oval body of openwork design, set with a central old cut diamond between panels of blue guilloche enamel, accented by f

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.

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.

A ladies early 20th century platinum diamond manual wind cocktail watch. The white dial with black Arabic numerals and minute track, with old and single-cut diamond bezel and expandable bracelet. Esti

Silver fleur-de-lis form accented with gold and old mine cut diamonds, pearl drop, hallmarked on bar clasp. Late 19th / early 20th C. H. 4.8cm (1 7/8 in.)

AN IMPORTANT PAIR OF EARLY 20TH CENTURY DIAMOND EARRINGS Each transitional-cut diamond weighing respectively approximately 4.10cts & 4.22cts within a multi-claw setting to hook back fittings, mounted

A FINE ANTIQUE DIAMOND DRESS RING, EARLY 20TH CENTURY in yellow gold and platinum, the scrolling face set with old cut diamonds accented by rose cut diamonds, no assay marks, size J / 4.5, 3.6g.

11.4 grams total weight. With old European and mine cut diamonds, 15 total. 3.25 ct. total, largest diamond .38cts. VS - SI clarity and I-J-K color. Small chip on central diamonds. Top of pin platinum

A set of early 20th century 18ct gold and platinum mother-of-pearl and diamond dress studs. Each designed as an old-cut diamond collet, within a mother-of-pearl surround with engraved border. Estimate

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