A SAPPHIRE AND DIAMOND RING, BY CARTIER The central oval-shaped sapphire weighing approximately

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

A STAR SAPPHIRE AND DIAMOND RING Designed with one central and six surrounding oval-shaped star sapphires, accented with six bezel-set round brilliant-cut diamonds weighing approximately 0.50 carat, m

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

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

Sapphire, Diamond, White Gold Ring Stones: Oval-shaped sapphire weighing approximately 4.95 carats; full and trapezoid-shaped diamonds weighing a total of approximately 1

Henry Dunay Ceylon Sapphire, Diamond, Gold Ring Stones: Oval-shaped purplish-pink sapphire weighing approximately 5.00 carats; full-cut diamonds weighing a total of appro

Sapphire, Diamond, White Gold Ring Stones: Oval-shaped pink sapphire weighing approximately 2.45 carats; oval-shaped blue sapphire weighing approximately 2.30 cara

Crafted out of platinum, featuring an oval-shaped yellow sapphire, weighing approximately 8.46 carats, flanked by round and baguette diamonds, weighing a total of approximately 0.37 carats; ring

View a video of this lot: Click HereCrafted in 18K white gold; set with a oval-shaped pink sapphire, weighing approximately 1.70 carats; accented by round brilliant-cut diamonds, weig

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

Crafted out of platinum, featuring an oval-shaped brilliant blue sapphire weighing approximately 1.60 carats, the shoulders adorned with trilliant-cut diamonds, weighing a total of approximately 0.50

Sapphire and Diamond Cocktail Ring platinum, the ring mounted with a central oval-cut treated sapphire weighing approximately 1.74 carats, accented with round brilliant-cut and marquise-cut diamonds 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

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

Ceylon Sapphire, Diamond, Platinum Ring Stones: Oval-shaped Ceylon sapphire weighing 5.77 carats; triangle-shaped diamonds weighing a total of approximately 1.15 c

Sapphire, Diamond, White Gold Ring The ring features an oval-shaped sapphire measuring 10.

Sapphire, Diamond, Gold Ring Stones: Oval-shaped purplish pink sapphire weighing 3.26 carats; full and baguette-cut diamonds weighing a total of approximately 0.65

Sapphire, Diamond, Gold Ring Stones: Oval-shaped pinkish purple sapphire weighing 4.06 carats; full-cut diamonds weighing a total of approximately 0.85 carat Metal

Featuring an oval-shaped sapphire, with very good brilliancy, pretty blue color and clean, weighing approximately 2.00 carats, set in a silver diamond mount, accented with rose-cut diamonds; ring top

Ceylon sapphire and diamond ring set in platinum, with oval shaped blue Sri Lanka sapphire weighing 3.85 total carats and oval shaped diamonds weighing approximately 0.36 total carats. Marked 'PT900',

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

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