An early 20th century sapphire and diamond ring,

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND RING an oval-cut sapphire in a fancy claw setting, to diamond-set shoulders. French 18 carat gold assay mark, ring size J, 3.1 grams Two chips noted to the

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a fancy pierced milgrain border of round-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.30

An early 20th century sapphire and diamond cluster ring, the central rectangular facetted sapphire surrounded by twelve pavé set old single cut diamonds in a scalloped edged setting with low pierced

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND FIVE STONE RINGThe graduated circular cut sapphires with old European cut diamonds between, approximately 0.50 carats total, to a scrolled gallerySize/dimens

Four gem-set rings. To include an early 20th century 9ct gold sapphire and diamond ring, a 9ct gold pink sapphire and diamond crossover ring, together with two further rings. Estimated total diamond w

AN EARLY 20TH CENTURY SYNTHETIC COLOUR-CHANGE SAPPHIRE AND DIAMOND CLUSTER RING a cushion-cut synthetic colour-change sapphire within a milgrain border of round-cut diamonds. Estimated total diamond w

An early 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire and single-cut diamond surround, with scrolling engraved shoulders. Estimated total diamond weight 0.15ct. Ha

AN EARLY 20TH CENTURY RUBY, SAPPHIRE AND DIAMOND THREE LEAF CLOVER RINGThe clover composed of a cushion cut ruby and sapphire with an old European cut diamond, with a central old cut diamond and an ol

An early 20th century 18ct gold sapphire and diamond five-stone ring. The alternating circular-shape sapphire and old-cut diamond line, to the tapered shoulders. Estimated total diamond weight 0.40ct,

An early 20th century 18ct gold sapphire and diamond five-stone ring. The alternating circular--shape sapphire and single-cut diamond line, with openwork gallery and scrolling shoulders. Hallmarks for

Art Deco Sapphire & Diamond Ring in Platinum , Early 20th century, platinum, American. Art Deco ring set with .60cttw diamonds I-G color and SI2-SI1 clarity and .50 cttw blue sapphires. Hallmark: Plat

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut blue sapphire within a border of single cut diamonds, maker's mark SH&Co, st

A SAPPHIRE AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated cushion cut blue sapphires, accented by pairs of old cut diamonds, stamped 18ct, size O / 7.25,

AN ANTIQUE SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut sapphire within a halo of round cut diamonds, stamped 18ct Plat, size N / 6.5, 2

An early to mid 20th century diamond and sapphire crossover ring set with an old cushion-cut diamond of approximately 0.45 carats, and an old round-cut sapphire, set in unmarked yellow metal (tests as

Two early 20th century 18ct gold diamond and sapphire dress rings. To include a graduated oval-shape sapphire three-stone ring with diamond point double spacers, together with an alternating circular-

A late 19th / early 20th century 18ct yellow gold, diamond, and sapphire ring, the mount set with graduted sapphires and diamonds, size R, 4.2 grams.

DIAMOND AND SAPPHIRE CLUSTER RING, EARLY 20TH CENTURY The central cushion-shaped diamond, weighing 1.65 carats, within borders of calibré-cut sapphires and single-cut diamonds, ring size Q Footno

A Burmese sapphire and diamond cluster ring. The early 20th century ovoid-shape Burmese sapphire, weighing approximately 4.50cts, and old-cut diamond cluster, to the later lower mount and replacement

Early 20th century. Having oval cut sapphire flanked by two 1/4" ctw old mine cut diamonds inset into an elegant band. Size 7.25 4 grams standard all in Sold from the collection of a private South Car

con zaffiro centrale taglio carrè e diamanti taglio vecchio, cts. 1.60 circa. Misura 17. Gr. 3.5 An english platinum ring, made in early 20th Century, with sapphire and old cut diamonds, cts. 1.60, S

SIGNED TIFFANY & CO. ART DECO PLATINUM, DIAMOND AND SAPPHIRE LOW DOME RING, early 20th century. Old European cut round diamond weighing approx 1.00 ct. Centered by two lines of six calibré-cut sapp

An early to mid 20th century yellow metal, diamond, and pink sapphire ring, set with a mixed marquise-cut sapphire within a border of round-cut diamonds, ring cluster approximately 11 x 8 mm, indistin

An antique early 20th-century French Art Deco 14K white gold, sapphire, and diamonds two-piece jewelry set, a pair of drop earrings and a cocktail ring. The ring is set with an oval sapphire stone enc