A pair of Early 20th century diamond, platinum and gold hair pins

A pair of early 20th century 18ct gold and platinum lapis lazuli and diamond cufflinks. Each designed as two octagonal-shape lapis lazuli and rose-cut diamond cluster panels, to the connecting link. L

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.

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

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 platinum and gold diamond pendant. Of circular outline, the pave-set diamond monogram reading the letters A and M, suspended from a loop surmount. Estimated total diamond weight

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

An antique early 20th-century womens wristwatch by Hamilton USA. Square platinum case with single crown. White octagonal dial with Arabic numerals, marked Hamilton. Pierced 14K white gold link bracele

FIVE EARLY 20TH CENTURY PEARL HAIR PINS CIRCA 1910The gold coloured pins each with five graduated pearlsSize/dimensions: one pin 6.7cm long, four 5.3cm longGross weight: 3.3 gramsPlease note the pearl

An early 20th century platinum and 9ct gold diamond cocktail watch. The silvered dial, with vari-cut diamond bezel and geometric lugs, to the later 9ct gold adjustable mesh strap. Estimated total diam

An early 20th century platinum and 18ct gold diamond dress ring. The three graduated circular-cut diamonds, within a single-cut diamond scalloped millegrain border. Estimated total diamond weight 0.20

This is an antique 14K white gold filigree bow brooch dating to the early 20th Century. The Art Deco brooch features an Old European cut diamond surrounded by single cut diamonds. The diamonds are SI

Central OEC diamond, .72 ct. by formula, framed by diamond halo in platinum head, surrounding diamonds, approx. .70 ct. TW, on yellow gold hoop. Early 20th c. Unmarked. At least 14k yg. Size 6. 2.0 dw

COSTUME JEWELRY: 25+ pieces of earrings, buckles, necklaces, pins, bracelets and pendants, 19th/ early 20th C., materials include gold-plate, faceted stones, hair, Mother of pearl, inlaid stone, lava

PAIR EDWARDIAN PLATINUM, YELLOW GOLD AND DIAMOND HAIR PINS. Each yellow gold pin has shaped domed platinum top set with rose-cut diamonds. One diamond missing. - L: 2 3/4 in.

EARLY 20TH CENTURY RUBY AND DIAMOND FLEUR-DE-LYS JABOT PIN,High carat gold.Diamonds bright and lively, totalling approx. 1.70 ct.Vibrant rubies.L. 5.1 cm.10.7 grams.Fine workmanship, good condition.

An antique late 19th - early 20th century Russian brooch in Art Nouveau style made of 14K gold. The brooch represents an enamelled flower, the three stamens of it are inset with diamonds. Hallmark of

AN ANTIQUE DIAMOND BRACELET, EARLY 20TH CENTURY in white gold or platinum, formed of alternating floral and geometric links jewelled with old round and rose cut diamonds, unmarked, 19.5cm, 34.3g.; AN

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 ANTIQUE OPAL AND DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with three cabochon opals, accented by round cut diamonds, stamped 18CT & PT, size L / 5.75, 2.7g.

This is a superbly crafted ladies ring dating to the Edwardian era of the early 20th century. Rendered in fine 18K rose gold, the ring features Old European cut diamonds set in platinum. Accented with

A DIAMOND BROOCH, EARLY 20TH CENTURY in 14ct yellow gold and platinum, the scrolling body set with a fan of rose cut diamonds, accented by further rose cut diamonds and an articulated diamond drop, st

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.

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

Three brooches 19th-early 20th centuryComprising two 19th Century brooches, one shell cameo and metal brooch, one garnet and gold dome brooches, and one platinum, diamond and synthetic sapphire bar p