A mid 20th century sapphire and diamond bombé ring,

A mid 20th century sapphire and diamond cluster ring. The rectangular-shape sapphire, within an old-cut diamond surround, to the grooved shoulders and plain band. Estimated total diamond weight 0.35ct

A mid 20th century platinum, sapphire and diamond cluster ring. The rectangular-shape sapphire, within a circular-cut diamond scalloped surround, to the openwork gallery. Estimated total diamond weigh

A MID 20TH CENTURY SAPPHIRE AND DIAMOND OVAL CLUSTER PANEL RINGThe oval cut sapphire within a surround of old European cut diamonds, approximately 0.48 carats total, to a pierced geometric gallerySize

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within an old-cut diamond border, to the trifurcated shoulders and plain band. Estimated total diamond weight 1

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weigh

A mid 20th century gold sapphire and diamond five-stone ring. The alternating old-cut diamond and circular-shape sapphire line, with openwork gallery and grooved shoulders. Estimated total diamond wei

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within an old-cut diamond, illusion-set surround. Estimated total diamond weight 0.30ct. Weight 5.7gms.

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a brilliant-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weigh

A mid 20th century 18ct gold sapphire and diamond cluster ring. The circular-shape sapphire collet and old-cut diamond cluster with tapered band. Estimated total diamond weight 0.25ct. Ring size K1/2.

A mid 20th century 18ct gold sapphire and diamond five-stone ring. The circular-shape sapphires, with old-cut diamond intervals, to the plain band. One synthetic sapphire replacement. Estimated total

A mid 20th century 9ct gold sapphire and diamond five-stone ring. Designed as three rectangular-shape sapphires, with old-cut diamond spacers, to the replacement band. Estimated total diamond weight 0

Two diamond and gem-set cluster rings. To include a mid 20th century 18ct gold sapphire, diamond and colourless paste cluster ring, together with a 9ct gold aquamarine and diamond cluster ring. Estima

A VINTAGE EMERALD AND DIAMOND BOMBÉ COCKTAIL RING, MID 20TH CENTURYRope twist shoulder details, pierced mountCircular-cut emerald, approximately 1.90 caratsSingle-cut diamonds, approximate tota

An early to mid 20th century diamond and sapphire crossover ring set with an old cushion-cut diamond of approximately 0.45 carats, and an old round-cut sapphire, set in unmarked yellow metal (tests as

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

A 9ct gold sapphire and diamond cluster ring, together with a mid 20th century silver and 9ct gold paste ring. The first set with an oval-shape pink sapphire within single-cut diamond border, the seco

Two mid 20th century 18ct gold diamond and sapphire cluster rings. The first designed as an oval-shape sapphire within a single-cut diamond surround, the second designed as a single-cut diamond floral

Two mid 20th century 18ct gold and platinum, diamond and sapphire rings. The first designed as a circular-shape sapphire with single-cut diamond surround, the second designed as a circular-cut diamond

Two early to mid 20th century 18ct gold diamond and sapphire floral cluster rings. The first designed as a single-cut diamond scalloped cluster with textured sides, the second designed as a circular-s

Two mid 20th century 18ct gold diamond and gem-set rings. To include a circular-shape sapphire and single-cut diamond cluster ring, together with a graduated rose-cut diamond three-stone crossover rin

An early to mid 20th century yellow metal, diamond, and pink sapphire ring, set with a mixed marquise-cut sapphire within a border of round-cut diamonds, ring cluster approximately 11 x 8 mm, indistin

3.15ct Sapphire Diamond Ring 18k , Mid 20th century, 18k, Swiss. 3.15 carat sapphire ring set with .05 accent diamonds. STONES: 3.15 carat sapphire cabochon, (good color moderately included) and .05 c

A vintage 18k gold gemstone cluster ring comprising five connected yet individual rings set with combinations of rose cut diamonds, sapphires, rubies and emeralds. Circa the mid late 20th century. Wei

A mid 20th century diamond ring mount. The vacant setting, with old-cut diamond shoulders. AF. Estimated total diamond weight 0.60ct. Ring size S. Weight 5.7gms.