15 CT DIAMONDS SET PLATINUM AND GOLD BROOCH

Brooch with floral designIn 18 Karat yellow gold and platinum on yellow gold, set with brilliant and rose-cut diamonds. The five most important diamonds weighing from 0,15 ct to 0,40 ct.Hallmark: none

Asprey & Co bar brooch, in a form of a pheasant set with rose cut diamonds the head painted in enamels, platinum and 15 ct gold, stamped, cased 2 x 6.5 cm

Antique Handmade Brooch-Pin in 14K yellow gold, Platinum Iridium, with "Eclipse-Crescent" design, set with (15) Old European cut round brilliant diamonds graduating from the center, approx. 0.45 ct to

18ct yellow gold & platinum brooch, collet-set with 3x brilliant-cut diamonds, G colour, VS2, central diamond approx 0.12ct. Other two 0.08ct each. 3.8 grams, 5.7cm.

Round diamond millegrain set platinum brooch, central diamond ct. 0.60 circa, other smaller diamonds in all ct. 1.70 circa, g 15.80 circa, length cm 5.80 circa. IT Spilla in platino con diamanti roton

Platinum brooch set with brilliant cut diamonds, of which 7 of 0.15 ct., 6 of 0.10 ct., 8 of 0.5 ct. and 59 baguette cut diamonds, each approx. 0.05 ct., marked Astor nks, 21.9 grams

ANTIQUE VICTORIAN DIAMOND BROOCH, in 15 ct. gold. Set to the center with bright and lively diamonds in a star pattern. Locket back. W. 5.2 cm. 9.6 grams.

14KT white gold and platinum Art Deco brooch pendant necklace. The pendant has a .15 ct center diamond and is accented by emerald colored green stones. It can be worn as a brooch or a pendant. It incl

VICTORIAN DIAMOND RUBY AND PEARL BROOCH, in 15 ct. gold. The brooch set with a central diamond set star applique, surrounded with a border of pearls alternated with 4 ruby sections. Locket back. W. 4.

AN ANTIQUE AQUAMARINE AND DIAMOND BAR BROOCH in 15ct gold, set with an oval cut aquamarine in a border of single cut diamonds, stamped 15ct, 6.6cm, 6.5g.

A 15ct gold bar brooch set with pearl and diamonds. Approx. 2" long

ANTIQUE PEARL AND DIAMOND BROOCH in 15ct yellow gold, set with seed pearls and an old cut diamond in scrolling and foliate motif, stamped 15CT, 4.3cm, 3.7g.

NO RESERVE - AN ART DECO DIAMOND ARROW JABOT PIN BROOCH in 15ct yellow gold and platinum, terminating at both ends with round cut diamonds, stamped 15CT PT, 7.5cm, 5.7g.

Tiffany & Co., Paloma Picasso Gold, Platinum and Diamond 'Scribble' Brooch 18 kt., the polished scribble tipped by 9 platinum-set round diamonds ap. .20 ct., signed Tiffany & Co., Paloma Picasso, ap.

Platinum, Gold, Mother-of-Pearl and Diamond Dress Set Including pair of cufflinks, four buttons and three studs, 9 round diamonds ap. .60 ct., ap. 15.7 dwts. With fitted box signed Tiffany & Co., with

NO RESERVE - AN ANTIQUE ART NOUVEAU DIAMOND AND OPAL BAR BROOCH in 15ct yellow gold, set with an old cut diamond and an opal cabochon within two scrolling bars, stamped 15, 4.0cm, 3.9g.

Two late 19th century 15ct gold gem-set brooches. To include a crescent bar brooch with diamond, ruby, sapphire and split pearl foliate motif, together with a green paste and split pearl brooch. Lengt

ART-DECO JADE AND DIAMOND BROOCH, in 18 ct. gold and platinum. Set with a square carved green jade plaque to the center, with diamond accents to the sides. W. 5.3 cm. 4.1 grams.

A selection of three late 19th to early 20th century 15ct gold gem-set bar brooches. To include a diamond single-stone brooch, a blue topaz and split pearl brooch and a split-pearl heart-shape motif b

pendant, ART-DECO 1920/'30s, yellow gold 585/000, central old-cut diamond c. 0.15 ct, directly around the setting 13 sapphires, in the outer garland 8 more diamonds white, all stones set in platinum ,

A late Victorian 15ct gold sapphire and diamond brooch. The alternating circular-shape sapphire and rose-cut diamond line, set atop a bead and rope-twist marquise-shape panel. Hallmarks for Chester, 1

2PC 14K DIAMOND PENDANT AND EARRINGS SET: 14K yellow gold puffed, hollow pendant/brooch and earring set contains 21 round brilliant-cut diamonds. Weight: approx. .15 Ct. Rated I1 in clarity and H-I in

A late Victorian gold, diamond and gem-set butterfly brooch. The old-cut diamond body, with circular-shape demantoid garnet eyes and mother-of-pearl wings. Estimated total diamond weight 0.15ct. Austr

18K Yellow Gold & Platinum Emerald and Diamond Flower Brooch Weighing 29.7 grams Set with app. 2.00 Ct. of Diamonds F-G Color, VS1-SI1 Clarity Along with app. 1.80 Ct. of Emeralds 2 inches in length