A SAPPHIRE AND DIAMOND CLUSTER RING, CIRCA 1960 The oval-shaped sapphire cabochon weighing approxim

Set with an oval-shaped sapphire cabochon weighing 7.75 carats, surrounded with mystery-set calibré-cut rubies, accented with pear-shaped diamonds, diamonds weighing approximately 2 carats, mounted

Crafted out of 18K yellow and white gold, featuring a centered oval-shaped cabochon sapphire, weighing approximately 4.35 carats, surrounded by 24 round brilliant-cut diamonds, weighing a total of app

Sapphire, Diamond, 18k Gold Ring. Featuring one oval shaped sapphire cabochon measuring approximately 7.8 x 5.85 mm, accented by two princess-cut and ten full-cut diamonds weighing a total of approxim

Ladies' vintage 14 karat Yellow Gold cluster ring. Set to the center with an oval shaped blue Sapphire stone encircled by ten round brilliant cut Diamonds, weighing approx. .15cts. twt. Ring size 5. W

A 14K GOLD, BLACK STAR SAPPHIRE AND DIAMOND RING Centering an oval-shaped cabochon black star sapphire weighing approximately 3.25 carats surrounded by round diamonds weighing approximately 1.20 carat

Tanzanite, Sapphire, Diamond, White Gold Ring Stones: Tanzanite cabochon weighing 12.57 carats; oval-shaped sapphires weighing a total of 1.43 carats; f

Ruby, Sapphire, Diamond, Gold Jewelry Suite The suite consists of a ring and earrings featuring oval and round-shaped sapphire cabochons measuring 3.65 x 1.95 mm - 8.62 x 7.21 x 4.30 mm and weighing a

TIFFANY & CO.: A PLATINUM, STAR SAPPHIRE AND DIAMOND RING Centering an oval star sapphire cabochon weighing approximately 16.30 carats, accented by round and trapezoid-shaped diamonds weighing approxi

circa 1970s, set to the front with one oval cabochon opal weighing approximately 5.60 carats and accented with prong set round brilliant cut diamonds weighing approximately .69 total carat (H-J color,

Multi-Stone, Diamond, 14k White Gold Ring. Featuring one pear shaped and two oval shaped jadeite cabochons, accented by three oval-cut sapphires weighing a total of approximately 1.00 cttw., further a

A SAPPHIRE AND DIAMOND CLUSTER RING The oval-shaped pink sapphire within a four-claw setting, to a marquise and brilliant-cut diamond surround, mounted in gold, diamonds approximately 0.70ct total, ri

A SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire weighing 5.70cts set in a four-claw setting within a brilliant-cut diamond frame, mounted in 18K gold, diamonds approximately 1.20cts, r

A TURQUOISE AND DIAMOND CLUSTER RING, CIRCA 1970 The central oval-shaped turquoise cabochon within a surround of brilliant-cut diamonds, mounted in 18K gold, diamonds approximately 1.00ct total, ring

A SAPPHIRE AND DIAMOND DRESS RING, the central oval-shaped sapphire weighing approx. 15.00cts within a rose-cut diamond surround, mounted in gold, ring size P

SAPPHIRE AND DIAMOND CLUSTER RING, 19TH CENTURY The cushion-shaped sapphire, weighing 5.74 carats, within a border of old brilliant-cut diamonds, between scroll engraved bifurcated shoulders in 18 car

A SAPPHIRE AND DIAMOND RING, BY CARTIER The central oval-shaped sapphire weighing approximately 5.00cts within eight-claw setting accented with brilliant-cut diamonds to similarly-cut diamond shoulder

SAPPHIRE AND DIAMOND RING, CIRCA 1915-20 The old cushion-shaped sapphire, weighing 13.81 carats, within an engraved and pierced platinum mount with foliate detail, millegrain-set with old brilliant an

Sapphire, Diamond, Platinum Ring Stones: Oval-shaped sapphire weighing approximately 7.80 carats; marquise and tapered baguette-cut diamonds weighing a total of approxima

A SAPPHIRE AND DIAMOND RING, Of sculptural design, the oval-shaped sapphire weighing 8.27cts in an eight-claw setting, within four brilliant-cut diamond shoulders to a bifurcated hoop, mounted in 18K

Sapphire, Diamond, Platinum Ring Stones: Oval-shaped sapphire weighing approximately 4.30 carats; full-cut diamonds weighing a total of approximately 2.60 carats M

Sapphire, Diamond, Platinum Ring Stones: Oval-shaped sapphire weighing approximately 6.60 carats; marquise and full-cut diamonds weighing a total of approximately 2&perio

A PINK SAPPHIRE AND DIAMOND CLUSTER RING, composed of a central oval-shaped pink sapphire within a baguette-cut diamond surround to similarly-cut and single-cut diamond shoulders, mounted in 18K gold,

Art Deco Ceylon Sapphire, Diamond, Platinum Ring Stones: Oval-shaped Ceylon sapphire weighing 13.12 carats; single-cut diamonds weighing a total of approximately 1&period

A BURMA NO HEAT CABOCHON SAPPHIRE AND DIAMOND CLUSTER RING, set with an oval cabochon sapphire of 16.06 carats surrounded by round cut diamonds, size O / 7, 19.2g. Accompanied by a gemmological report