EARLY 20TH C. DIAMOND RINGS

An early 20th century diamond single-stone ring The old brilliant-cut diamond, weighing 4.03 carats, between tapered single-cut diamond three-stone shoulders, French assay marks(Ring size: N)

AN EARLY 20TH CENTURY DIAMOND CLUSTER RING Set with old brilliant and cushion-shaped diamonds forming a navette-shaped cluster, in closed back setting, scrolling shoulders detailing, mounted in platin

AN EARLY 20TH CENTURY DIAMOND CLUSTER RING a fancy yellow old-cut diamond within a pierced milgrain border of white old-cut diamonds, to fancy diamond-set shoulders. Estimated principal diamond weight

Early 20th C three stone diamond ring, set with old cut stones, centre stone 0.20 carat, in unmarked gold, testing as 18 ct. Ring size - L

EARLY 20TH C ART DECO DIAMOND SOLITAIRE RING: 18K pierced white gold ring centers an approx. .28 Old European cut diamond of VS clarity and near colorless color. Size 6.

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

A diamond ring, early 20th century, set with a drop-cut diamond weighing approximately 2.40 carats, with vari-cut diamond foliate sides and surround, size 11/51, weight 7 grams.

AN ANTIQUE PEARL AND DIAMOND RING, EARLY 20TH CENTURY in yellow gold, the openwork face set with an old cut diamond and two pearls in a border of rose cut diamonds, further rose cut diamonds set to th

ANTIQUE TURQUOISE AND DIAMOND RING, EARLY 20TH CENTURY claw-set with a cabochon turquoise, within a border of cushion-shaped diamonds, size Q / 8, unmarked, estimated total diamond weight 0.60-0.80 ca

EDWARDIAN PLATINUM AND DIAMOND RINGEarly 20th CenturyFull-cut diamonds, approx. 5.0mm x 3.6mm and approx. 4.6mm x 3.0mm, flanked by four small diamonds. Maker’s mark “SRS”. Size 3&#1

An early 20th century 18ct gold diamond three-stone ring. The circular-cut diamond, with similarly-cut diamond sides, to the scrolling gallery and shoulders. Estimated total diamond weight 1.15cts, H-

A FINE ANTIQUE DIAMOND DRESS RING, EARLY 20TH CENTURY in yellow gold and platinum, the scrolling face set with old cut diamonds accented by rose cut diamonds, no assay marks, size J / 4.5, 3.6g.

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

Early 20th century round European cut. Approximately 1.80ct. Set in a 14K White Gold Setting. 1.8 DWT. The ring measures: 7.65mm x 9.99mm and is approx a size 7 3/4.

Lot of two early 20th century antique rings. One 10k white gold genuine mine cut diamond cocktail ring, approx size 5 (missing stones). One 14k yellow gold Edwardian ring with inconclusive diamond (no

A carved turquoise heart with OMC diamond ribbon bow surround, approx. .24 ct. TW. Early 20th c. 18k. Size 6 1/4. 2.2 dwt.

Early 20th c 14k white gold engraved Edwardian ring with .2 ct European round cut diamond. Ring size 6.5.

ANTIQUE LATE 19thC - EARLY 20thC 10kt WHITE GOLD RING WITH OLD MINE CUT DIAMONDS CONTAINING 25 POINT OLD MINE CUT CENTER STONE SURROUNDED BY (15) APPROXIMATELY 6 POINT DIAMONDS ; APROXIMATELY 1.15ctw

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

80% Platinum Art Nouveau style floral ring with one larger center diamond and ten surrounding diamonds. Produced by the William Kinscherf Company of New York City, ca. early - mid 20th century. Americ

Antique platinum and diamond filigree ring with approximately .42 tcw., size 5 1/2, stamped platinum, weighs 3.2 grams/2.0 dwt., early 20th C

AN ANTIQUE DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold, set with two old cut diamonds of approximately 0.55 and 0.52 carats, in a frame of further old cut diamonds, stamped 18CT, s

A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, the stylised band terminated at either end with an old cut diamond, with further diamonds to the shoulders, no assay mar

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