Oscar Heyman diamond brooch / pendant

Oscar Heyman Diamond, Sapphire, Platinum Brooch Stones: Full-cut diamonds weighing a total of approximately 1.20 carats; square and calibré-cut sapphires Metal&col

14K WHITE GOLD "OSCAR CAPLAN" AQUAMARINE, DIAMOND & PEARL PIN (BROOCH) / PENDANT - OVAL CENTER FACETED NATURAL AQUAMARINE MEASURING 13.80mm X 11.00mm X 3.50mm WITH APPROX. TOTAL WEIGHT OF 10 CTS - 20

OSCAR HEYMAN & BROTHERS, YELLOW GOLD, PLATINUM AND DIAMOND FOX BROOCH Containing 27 round brilliant cut diamonds weighing approximately 0.80 carat total and two ruby eyes. 1 inch x 1 1/4 inches. Stamp

MARCUS & CO: SAPPHIRE AND DIAMOND BROOCH/PENDANT, EARLY 20TH CENTURY The central oval-cut sapphire within an openwork quatrefoil border of floral and foliate motifs, millegrain-set throughout with old

A FINE ART DECO GREEN TOURMALINE AND DIAMOND BROOCH / PENDANT in platinum, set with an octagonal step cut green tourmaline of 13.50 carats within two concentric octagonal borders of round cut diamonds

AN ANTIQUE DIAMOND BROOCH / PENDANT in yellow gold and silver, the openwork body set throughout with old cut diamonds, the diamonds all totalling 4.2-4.6 carats, no assay marks, 4.4cm, 14.6g. 

A LATE 19TH CENTURY SAPPHIRE AND DIAMOND BROOCH / PENDANT an oval-cut sapphire within an openwork scroll frame of old-cut and rose-cut diamonds, suspending a sapphire pendant drop. Estimated total dia

A LATE 19TH CENTURY SAPPHIRE AND DIAMOND BROOCH / PENDANT an oval-cut sapphire within an openwork scroll frame of old-cut and rose-cut diamonds, suspending a sapphire pendant drop. Estimated total dia

Edwardian Platinum and Diamond Brooch/Pendant ca. 1910, the circular platinum brooch with an openwork lacy pattern set with a central old European-cut diamond, surrounded by smaller European-cut diamo

Oscar Heyman Diamond, sapphire, and emerald ring Set with a 1.40 cts oval-cut diamond, surrounded by circular-cut emeralds, sapphires, and oval-cut diamonds Platinum and 18k yellow gold With maker's m

YELLOW GOLD, AQUAMARINE AND DIAMOND BROOCH/PENDANT NECKLACE Consisting of a yellow gold and platinum pendant/brooch containing one emerald cut aquamarine measuring approximately 20.45 x 15.85 x 11.10

IMPORTANT DIAMOND BROOCH/PENDANT, in precious white metal. Of part openwork design, throughout set with diamonds totalling approx. 4 ct. L. 5.5 cm. 13.5 grams.

An exquisite Victorian star brooch pendant, set with diamonds and seed pearls, in 9K gold, England, circa 1870's - 1900's. The expertly crafted 9 karat yellow gold setting, in the shape of a star, has

An Edwardian platinum and diamond brooch pendant centering an old European-cut diamond weighing approximately 1.25 carats; accented by single and old European-cut diamonds; total remaining diamond wei

ANTIQUE DIAMOND BROOCH/PENDANT, of stylized shell design, with a diamond drop to the bottom. Diamonds totalling approx. 3.60 ct. L. 5.3 cm. 16.8 grams. With antique fitted box.

South Sea Pearl and Diamond Brooch/Pendant 18k yellow gold, the brooch/pendant mounted with white South Sea pearls with a good luster, measuring approximately 13.00 mm to 16.00 mm, accented by round b

FINE VICTORIAN CERTIFICATED NATURAL SALTWATER PEARL AND DIAMOND BROOCH PENDANT. set with a natural saltwater pearl drop. with lively diamonds totalling approx 1.20 ct. L 5.7 cm. W 3.2 cm. 11.3 grams.

IMPORTANT DIAMOND BROOCH/PENDANT, in precious white metal. Of part openwork design, throughout set with diamonds totalling approx. 4 ct. L. 5.5 cm. 13.5 grams.

ANTIQUE DIAMOND BROOCH/PENDANT, of stylized shell design, with a diamond drop to the bottom. Diamonds totalling approx. 3.60 ct. L. 5.3 cm. 16.8 grams. With antique fitted box.

A FINE ANTIQUE DIAMOND BROOCH / PENDANT, 19TH CENTURY the oval body of openwork design, set throughout with old cut and rose cut diamonds, the diamonds all totalling 3.6-4.2 carats, with retractable l

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

Oscar Heyman diamond emerald circle pin. diamond weight approx. 1.5ct, emerald weight approx. 1.2ct, diameter 1 3/8'', weight 11g

14k Yellow Gold Pearl Diamond Brooch Pendant Choker . 3 Pearl Strand and 1.5" Diamond Pendant around with 1 ct diamond center stone SI1 I-H Floral motif with paved diamonds. Size 15" approx. 35 gShoul

METAL: Platinum. GEMSTONES: Diamonds approx. 3.00ctw. MEASUREMENTS: Brooch is 42mm x 33mm. has a hook on the bottom to attach a drop. TESTED: Plat. WEIGHT: 12.5 grams.Gemstones have not been graded fo