AN ANTIQUE DIAMOND CORONET BROOCH, EARLY 20TH CENTURY

AN ANTIQUE AMERICAN RUBY, SAPPHIRE AND DIAMOND BIRD BROOCH / PENDANT, TIFFANY & CO EARLY 20TH CENTURY designed as a flying bird set with round and step cut rubies, French cut sapphires and rose cut di

The 14K White Gold with over 1 CTW Rose cut and Mine Cut Diamonds. Late 19th or early 20th Century. 25mm diameter. excellent condition. 7.6 grams / 4.8 dwt. Keywords: Estate, Pin, Fine Jewelry,

An antique late 19th - early 20th century Russian 14K gold brooch. The oval brooch has a geometrical rim and an engraved depiction of a flower bouquet. The flower buds are set with diamonds of differe

Italy, early 20th century. Stamped 'K.18 ITALY' yellow gold brooch designed as a serpent, set with rose cut diamonds and emeralds. Total diamond weight approx. 1.10cts. Emeralds set in the head and ta

An antique (ca early/mid 20th century) 14K yellow (rose-ish coloring) gold brooch, with pin back, featuring an oval emerald approx 7.5mm x 7mm, and with channel set and prong set old mine-cut diamond

Antique Early 20th Century Yellow & White Gold, Diamond, & Opal Cameo Brooch. Circa 1900. A rare large hand carved opal cameo of Floral in a border of old mine cut diamonds. Approximately 1.65 carats.

An antique late 19th - early 20th century Russian 14 gold brooch. The piece represents a branch with berries. The berries are set with small round turquoise cabochons, the rest of the brooch is encrus

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

AN ANTIQUE TURQUOISE AND ENAMEL ROYAL PRESENTATION BROOCH, EARLY 20TH CENTURY in yellow gold, depicting King Edward VII and Queen Alexandra's cipher, surmounted by a crown / coronet decorated with red

An engraved gold hatching snake with OEC diamond eyes, approx. .01 ct. TW, and round cut sapphire accent, on chain; A green enameled snake and textured gold skull brooch. 14k. Early 20th c. 1 1/2" x 1

An early 20th century Art Deco Period 18k Gold filigree brooch with Diamonds and Sapphires. Features a central bezel set Diamond, measuring approx. 3mm, estimated 0.125 ct, with two rectangular facete

An early 20th century Art Deco Period 14k White Gold filigree brooch with Diamonds and Sapphires. Features three prong set Diamonds, measuring approx. 2 and 3mm, estimated 0.19 cttw, with two rectangu

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

A Group of Four Late 19th-Early 20th Century Cameo Brooches. Having both white and yellow gold settings, each carved cameo depicts the profile of a young woman, one of which wears a diamond chip neckl

COLLECTION OF ANTIQUE JEWELLERY, LATE 19TH CENTURY - EARLY 20TH CENTURY 1st: The crescent and star brooch set with pink paste and cushion-shaped diamonds, 2nd: The openwork foliate brooch set with pin

Yellow gold backed Iris, the flower made of mixed nephrite and stone, diamonds accenting the petals and stem unmarked, probably Austrian, early 20th C. L. 7cm

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

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

A BELLE EPOQUE DIAMOND PENDANT / BROOCH, EARLY 20TH CENTURY in yellow gold and platinum, the foliate body suspending swags, jewelled throughout with old European, single and rose cut diamonds, the dia

AN ANTIQUE DIAMOND BANGLE, EARLY 20TH CENTURY the foliate motifs set with a row of old cut diamonds accented by rose cut diamonds, with further rose cut diamonds to the bracelet, no assay marks, 15.7c

AN ANTIQUE DIAMOND BANGLE, EARLY 20TH CENTURY the foliate motifs set with a row of old cut diamonds accented by rose cut diamonds, with further rose cut diamonds to the bracelet, no assay marks, 15.7c

AN ART DECO RUBY, EMERALD, SAPPHIRE AND DIAMOND PIN BROOCH, EARLY 20TH CENTURY, POSSIBLY BY CARTIER in 18ct white gold, the pin terminated by concentric circular motifs articulated to rotate within on

EMERALD AND DIAMOND CORONET BAR BROOCH, EARLY 20TH CENTURY Set with cushion and rose-cut diamonds, and a step-cut emerald, length 4.0cm For further information on this lot please visit Bonhams.com

NO RESERVE - A PERIDOT AND DIAMOND BAR BROOCH, EARLY 20TH CENTURY, Made in 18 carat white gold and platinum, Octagonal step cut peridot, weighing approximately 3.71 carats, Single cut diamonds, Stampe