AN EARLY 20TH CENTURY BLACK BOULDER OPAL, DIAMOND AND PEARL BROOCH

A selection of jewellery. To include an early 20th century diamond and seed pearl bar brooch, a 9ct gold diamond and opal triplet pendant with a 9ct gold chain, an early 20th century ruby, split and s

A LATE 19TH / EARLY 20TH CENTURY BLACK OPAL AND DIAMOND NECKLACE graduated oval black opals suspended from diamond-set knife-edge bars to black opal and diamond swag links, to a diamond-set double bar

AN EARLY 20TH CENTURY OPAL AND DIAMOND BROOCH / PENDANT a cluster of heart-cut opals within an openwork frame of further opals and eight-cut diamonds. Estimated total diamond weight 0.40ct, 4cm by 2.5

An early 20th century gold opal and split pearl brooch. The circular opal cabochon, within split pearl surround, atop a knife-edge bar, with split pearl accents and circular opal cabochon terminals. L

An early 20th century ruby, diamond and pearl bar brooch. The graduated cushion-shape ruby and old-cut diamond crescent, atop a knife-edge bar with similarly-set terminals and central pearl highlight.

An early 20th century 18ct gold diamond and split pearl crescent brooch. Designed as a graduated split pearl crescent, with old-cut diamond and split pearl stylised wreath detail. Estimated total diam

An early 20th century 15ct gold opal and split pearl bar brooch. The circular opal cabochon, within an openwork surround and split pearl highlights. Length 5.6cms. Weight 3.3gms.

Measures approx. 2" long. Oval in shape with 4 round brilliant diamonds. Total approx. weight .20cts. Pin dates to the early 20th century. Can be worn as a pendant as well. Total weight: 25 grams. Shi

AN EARLY 20TH CENTURY PEARL AND DIAMOND PENDANT / BROOCH a pearl within an openwork diamond and seed pearl-set clover leaf frame. Estimated total diamond weight 0.90ct, 3.2cm diameter, 8.8 grams One

AN EARLY 20TH CENTURY PEARL AND DIAMOND BAR BROOCH, a pearl within a milgrain diamond cluster border and spaced by further pearls, within a halo frame and to a tapering bar. Estimated total diamond we

United States,Early 20th Century Filigree body broach with embossed daisy form corners and four inset pearls with center diamond. 10K Gold, Diamond, Pearl Stamped "10k" 1 3/4" long, From the collectio

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.

ANTIQUE BLACK OPAL AND DIAMOND RING, EARLY 20TH CENTURY mounted in yellow gold, claw-set with an oval black opal measuring 14.8 x 10.5mm,and weighing approximately 3.36 caarts, within a border of circ

AN EARLY 20TH CENTURY NATURAL SALTWATER PEARL AND DIAMOND BROOCH, three natural button pearls within an old-cut diamond-set foliate frame and suspending a pearl and diamond pendant drop. Estimated tot

An early 20th century gold conch pearl, diamond and split pearl brooch. The oval conch pearl, suspended from an old-cut diamond and peach split pearl, with free-form conch pearl sides. Estimated total

AN EARLY 20TH CENTURY SAPPHIRE, PEARL AND DIAMOND HORSESHOE BROOCH, a horseshoe set with graduated old-cut diamonds, to a knife-edge bar set with a pearl and round-cut sapphires, total estimated diamo

Three late Victorian to early 20th century gold gem-set rings. To include an early 20th century opal and diamond three-stone ring, a late Victorian split pearl enamel ring, together with one further e

Two diamond and gem-set brooches. To include an early 20th century cultured pearl and diamond bar brooch and a composite split-pearl and blue paste brooch. Estimated total diamond weight 0.10ct. Lengt

Victorian/Edwardian platinum and multicolor 14K gold, diamond and cultured pearl brooch. Stamped, "B14K". 11.7 grams. 1.875"L, Circa - Late 19th - Early 20th C. PROVENANCE: James Robinson, New York. F

An early 20th century silver and gold, pearl and diamond brooch. Estimated total diamond weight 0.85ct, H-J colour, SI1-P1 clarity. Length 3.7cms. 8.7gms. Pearls untested.

An early 20th century gold seed pearl and diamond star brooch. The old-cut diamond, within graduated seed pearl rays. Estimated diamond weight 0.15ct, I-J colour, SI clarity. Diameter 2.9cms. Weight 4

An early 20th century silver and gold pearl and diamond bow brooch. The pearl, measuring approximately 7mms, within a rose-cut diamond bow, suspending articulated rose-cut diamond ribbons, with pearl

An early 20th century gold ruby, split pearl and diamond bar brooch. The cushion-shape ruby, split pearl and rose-cut diamond cluster, to the twin bar with split pearl stylised crown terminals. Length

late 19th or Early 20th Century. Figural Jade and Pearl Bug, Opal, and Diamond. 10K and 18k, Total weight: 7.5 grams / 4.9 dwt. good condition. some minor signs of use.