A synthetic spinel single-stone ring. The

A synthetic spinel single-stone ring. The circular-shape synthetic blue spinel, with scalloped surround and tapered shoulders. Ring size P. Weight 4.7gms.

A synthetic spinel single-stone ring. The rectangular-shape blue synthetic spinel, with curved and bar shoulders, to the tapered band. Weight 6.8gms.

Four 9ct gold gem-set rings. To include a blue paste single-stone ring with textured shoulders, a green synthetic spinel single-stone ring with openwork shoulders and two further rings. One AF. Hallma

Two 9ct gold gem-set rings. To include a synthetic spinel single-stone ring, together with a split-pearl and garnet cluster ring. AF. Hallmarks for 9ct gold. Weight 6.3gms.

This is an antique 14K white gold filigree Art Deco ring featuring a large faceted synthetic blue spinel stone at the center. The ring is a size 8.75US and it weighs 2.4g. The synthetic spinel is 10 x

Two gem-set rings. To include a 9ct gold sapphire and diamond three-stone crossover ring, together with a synthetic blue spinel and paste accent ring. One with hallmarks for London, 1979. Total weight

including a 1965 Fairleigh Dickinson University ring with synthetic ruby stone (stone scuffs), size 10.5, a 1964 Bethpage High School ring with blue spinel stone inset with the Star of David (light st

including a 1964 10K City College ring set with an oval synthetic ruby (ruby scuffs), engraved initials, overall height 21mm, size 9, a 10K blue spinel or similar modern style ring (stone scuffs, sizi

A selection of three gem-set dress rings. To include a 9ct gold labradorite single-stone ring, a synthetic ruby cluster ring and a 9ct gold amethyst and blue gem dress ring. Two with hallmarks for 9ct

METAL: 18k Gold. MEASUREMENTS: Ring size - 6.25, ring top - 18mm x 16mm. GEMSTONES: Blue stone (tested synthetic spinel RI 1.730), Diamonds approx. 0.38ctw. MARKED: 18k. WEIGHT: 4.1 grams.Gemstones ha

18K Gold. Stamped & Trademarked. Weight: 10.16g gross. Contains: one round faceted blue synthetic spinel of approximately 22cts by gauge. Twenty-four single cut diamonds of approximately 0.70cts total

18 K Yellow Gold Man's Ring Large Blue Spinel Stone. Ring size: 10.5

Two 10 Karat Gold Rings. Comprising a 1948 class ring (8 1/2) and a synthetic blue spinel ring (size: 9 1/2) 15.1 grams

Ladies 14kt yellow gold synthetic blue spinel ring featuring a prong set step cut weighing approx. 39.42ct. and mounted in a simple high polish mounting. Finger size. 8.5. Weight 17.4 grams.

A 9ct gold blue john single-stone ring. The oval blue john cabochon, within a rope-twist surround. Hallmarks for Sheffield. Ring size K. Weight 8.8gms. Overall condition good. Minor surface scratches/

A Synthetic Blue Spinel Cocktail Ring. 14 karat yellow gold mounting contains one emerald cut synthetic blue spinel and four prong set round diamonds Size: 7.5 Wt: 10.9 grams

A vintage 18K Gold jewelry ring. The ring is encrusted with a Blue Spinel stone and made in openwork and curved designs. Marked with a standard Gold hallmark inside. Weight 7.10 g. Vintage and Modern

9CT GOLD BLUE TOPAZ SINGLE STONE RING. Stamped 9CT, Size L, weight2.8g

Sterling Silver with Blue Spinel Stone Men's Ring Size 9.75 , 7/8 in. x 1/2 in.

Three gem-set dress rings. To include a 1970s 9ct gold amethyst and split-pearl cluster ring with textured surround, with two synthetic gem single-stone rings. One with hallmarks for Birmingham, 1971.

All 10K including one yellow gold ring containing a synthetic ruby, ring size 9; yellow gold ring with praying hands, size 6-1/2; and a white gold dome ring with a synthetic blue star stone, ring size

Three gem-set rings. To include a mid 20th century synthetic sapphire single-stone ring, a graduated diamond five-stone ring, together with a graduated diamond three-stone crossover ring. One AF. Esti

Four gem-set rings. To include a 9ct gold amethyst single-stone ring, a zircon two-stone crossover ring, together with two synthetic corundum single-stone rings. One with hallmarks for 9ct gold. Total

Four gem-set dress rings. A 9ct gold opal and ruby cluster ring, a 9ct gold blue paste single-stone ring, an aquamarine single-stone ring, and a sapphire dress ring. Two with hallmarks for 9ct gold. T