A sapphire and diamond dress ring. The graduated

A sapphire and diamond dress ring. The graduated oval-shape sapphire line, with rose-cut diamond double spacers. Ring size M1/2. Weight 6.9gms.

An 18ct gold sapphire and diamond dress ring. The graduated oval-shape sapphire line, within a single-cut diamond textured surround. Estimated total diamond weight 0.10ct. Hallmarks for London, 1977.

An 18ct gold sapphire and diamond dress ring. The three slightly graduated circular-shape sapphires, with brilliant-cut diamond double spacers and trefoil terminals. Estimated total diamond weight 0.1

A sapphire and diamond dress ring. Of asymmetric design, the graduated cushion-shape sapphire and marquise-shape diamond lines, with a triangular-shape diamond side, to the baguette-cut diamond curved

ANTONIAZZI CHIAPPE (attributed to) - a sapphire and diamond dress ring. The circular sapphire cabochon, with graduated baguette-cut diamond line sides, to the bi-colour tapered band. Indistinctly sign

Two early 20th century 18ct gold diamond and sapphire dress rings. To include a graduated oval-shape sapphire three-stone ring with diamond point double spacers, together with an alternating circular-

A SAPPHIRE AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold, set with a trio of graduated cushion cut blue sapphires, accented by pairs of old cut diamonds, stamped 18ct, size O / 7.25,

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1912 in 18ct yellow gold, set with a trio of graduated cushion cut sapphires accented by pairs of single cut diamonds, full British hallmarks for Birmingham

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1913 in 18ct yellow gold, set with a trio of graduated cushion cut blue sapphires punctuated by two old cut diamonds, full British hallmarks for Birmingham

NO RESERVE - AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1915 in 18ct yellow gold, set with a trio of graduated round cut blue sapphires accented by old cut diamonds, British hallmarks for Chester, 19

NO RESERVE - AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, 1915 in 18ct yellow gold, set with a trio of graduated round cut blue sapphires accented by old cut diamonds, full British hallmarks for Cheste

A 14ct white gold blue Sapphire diamond dress ring. Features four marquises and twenty-six round cut Sapphires at 1.45ct in total carat weight with eye clean clarity. Set along with twenty-six round b

TIFFANY & CO., JEAN SCHLUMBERGER, A STAR SAPPHIRE AND DIAMOND DRESS RING The oval cabochon star sapphire estimated to weigh between 55 to 60 carats, to crossover pavé set diamond leaf shoulders, ap

A SAPPHIRE AND DIAMOND DRESS RING The central cushion-shaped sapphire weighing 5.59cts within a four-claw setting and between half-moon-shaped diamond shoulders, mounted in 18K gold, diamonds approxim

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut blue sapphire of 5.88 carats, between stepped shoulders set with baguette cut diamonds, stamped Platinum, size N / 6.75

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

AN UNHEATED VIOLET SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with a central oval cut violet sapphire of 2.02 carats, within a navette border set with clusters of marquise and round brill

SAPPHIRE AND DIAMOND DRESS RING The sugarloaf sapphire weighing 7.09 carats, between baguette-cut diamond shoulders, in a bombé mount, pavé-set with brilliant-cut diamonds, diamonds approx.

A sapphire and diamond dress ring. The oval sapphire cabochon, to the single-cut diamond bark effect shoulders and similarly designed tapered band. Estimated total diamond weight 0.15ct. Weight 9.9gms

GRIMA: YELLOW SAPPHIRE AND DIAMOND DRESS RING, 1977 The cushion-shaped yellow sapphire in a geometric mount with bifurcated shoulders, accented by brilliant-cut diamonds, mounted in 18 carat gold, sig

AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.50 carats in a double border of step cut sapphires and old cut diamonds, the band accented by fu

SAPPHIRE AND DIAMOND DRESS RING The oval-cut sapphire within a surround of marquise and tapered baguette-cut diamonds, diamonds approx. 5.30cts total, ring size approx. L½

A sapphire and diamond dress ring. The brilliant-cut diamond collet, within a similarly-cut diamond and calibre-cut sapphire panel, to the plain band. Principal diamond estimated weight 0.90ct, J-K co

A SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of approximately 5.02 carats, accented by rows of round brilliant cut diamonds, with further round brilliant cut diamonds to the