TWO TOURMALINE & DIAMOND RINGS 20th c. Each with ma

Pink Tourmaline & Diamond Ring 18k , Late 20th century, 18k yellow gold ring set with 1.30 carat pink tourmaline and .32cttw diamonds (approximately G color and VS clarity). Hallmarked 750 for 18k and

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

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

Ca. last half 20thC. Excellent condition with beautiful color, the trilliant cut gem measures approx. 7 1/2 mm, with eighteen full cut diamonds set into the band, each measuring approx. 1 1/4 mm. The

14k gold and pink tourmaline ring with diamond accents, tourmaline measures approximately 10mm x 8mm, size 12, stamped 14k, weighs 9.9 gr/6.4 dwt complete, late 20th C

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 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

20th century, set with a two carat I color, SSI stone. Dimensions: Size 6 1/2, the approximate gross weight is 8 dwt. Provenance: From a Main Line collection.

A center Emerald-cut Natural Emerald flanked by two Round Brilliant Diamonds. Hallmarked 18K and the makers mark S.H&Co. Likely Sackermann, Hessenberg & Co. Early 20th Century. The center Emerald is a

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

American, 2nd half - 20th century. Stamped 14K white gold ring, bypass design, with two round brilliant diamonds in 4-prong setting. Larger diamond approx. 6.8mm (depth not measured due to mounting),

Early 20th century. Set in a 14k white gold Tiffany Style setting, the pear shape diamond measures 9.46 x 6.35 x 4.55 mm with color grade of I-J and is a size 7. Accompanied by two wedding bands of th

Two 10K Yellow Gold Floriform Rings, mid 20th c., one with emeralds around a center diamond; the second with rubies around the central diamond, Size 6 3/4.

Three Piece 10K Yellow Gold Set, early 20th c., consisting of a pair of pierced earrings and a lady's dinner ring, each with an oval .5 carat ruby flanked by two small diamonds on an oval pierced fram

Ca. last half 20thC. Very good condition with thirty-two 1mm diamonds flanking six 3mm yellow topaz gemstones surrounding one 3 1/2 mm center diamond. Marked "Doves" and "18K". Approx. weight 4.2 gram

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

Ca. last quarter to first quarter 20thC. Excellent with forty-one fine clear diamonds and two small emeralds. Approx. weight 5.2 grams. Largest diamond approx 4mm diameter. Ring size 7.5, this antique

Ca. mid 20thC. Fine with twelve good 1.75mm clear diamonds on two outer sides of two interlocking squares. Approx. weight 7 Grams. Ring size 5.5

American, 2nd quarter 20th century. One stamped "750" white gold ring of elongated hexagonal shape, center bezel set round diamond approx. .13ct., with small single cut diamonds and square cut rubies

ART DECO STYLE 10KT YELLOW/WHITE GOLD DIAMOND RING, 20TH C., SIZE 8, WEIGHT 5.4 GRAMS

ART DECO STYLE 10KT YELLOW/WHITE GOLD DIAMOND RING, 20TH C., SIZE 8, WEIGHT 5.4 GRAMS

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.

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