Marquise-cut engagement rings

An important marquise-cut diamond single-stone ring

AN IMPORTANT MARQUISE-CUT DIAMOND SINGLE-STONE RING with plain hoop

A MARQUISE-CUT DIAMOND SINGLE-STONE RING

A MARQUISE-CUT DIAMOND SINGLE-STONE RING

A FINE EMERALD AND DIAMOND RING, the central circular-cut diamond with calibré-cut emerald marquise-shaped surround and diamond shoulders to the fluted hoop, circa 1920

A FINE MARQUISE-CUT DIAMOND SINGLE-STONE RING with pear-shaped diamond single-stone shoulders to the plain hoop

A MARQUISE-CUT DIAMOND SINGLE-STONE RING with bifurcated shoulders to the plain hoop

AN IMPRESSIVE MARQUISE-CUT DIAMOND SINGLE-STONE RING flanked by kite-shaped single-stone diamond shoulders to the plain hoop

A RUBY AND DIAMOND CLUSTER RING, the central cushion-shaped ruby with a marquise-cut diamond surround to the bark textured hoop

A MARQUISE-CUT DIAMOND SINGLE-STONE RING

A MARQUISE-CUT DIAMOND SINGLE-STONE RING, with triangular-cut diamond shoulders to the plain hoop

A MARQUISE-CUT DIAMOND SINGLE-STONE RING with plain hoop

A BRILLIANT-CUT DIAMOND COCKTAIL RING with baguette and marquise-cut diamond spiral surround to the plain hoop

A MARQUISE-CUT YELLOW DIAMOND RING

A diamond ring by Kutchinsky with two pear shaped diamonds flanked by marquise and brilliant cut diamond with plain hoop.

A MARQUISE-CUT TREATED BLUE DIAMOND AND NEAR COLORLESS DIAMOND RING

AN EMERALD AND DIAMOND COCKTAIL RING, the central marquise-cut diamond with brilliant-cut diamond and calibré-cut emerald bombé cluster surround to the plain hoop, circa 1955

A RUBY AND DIAMOND CLUSTER RING, the oval cabochon ruby with marquise and brilliant-cut diamond two-row surround to the bifurcated hoop

A marquise-cut diamond single-stone ring

A MARQUISE-CUT DIAMOND SINGLE-STONE RING with bifurcated shoulders to the divided hoop

A marquise-cut diamond single-stone ring

GROUP OF DIAMOND JEWELRY Comprising a cabochon emerald, circular and baguette-cut diamond and white metal necklace, a pair of ear clips en suite, a circular and baguette-cut diamond and 18K white gold ring; and a marquise-cut diamond and platinum eternity band-- size 7 (a marquise-cut diamond missing) (4)

PLATINUM, EMERALD AND DIAMOND CLUSTER RING Containing ten circular, fifteen pear and eleven marquise-cut diamonds, the rectangular-cut emerald weighing approximately 8.08 cts. (with hinged ring sizer)--size 3¼

A BRILLIANT-CUT DIAMOND CLUSTER RING, the central pavé-set diamond bombé cluster with marquise-cut diamond tiered two row surround, circa 1960, with French assay marks

A Charles de Temple 18ct. white gold, diamond solitaire ring, the marquise diamond eight-stone openwork mount interspersed with eight brilliant-cut diamonds, the mount and shoulders with yellow gold bead decoration to a wirework shank.

A marquise diamond single stone ring with drop cut diamond single stone shoulders.

A MARQUISE-CUT DIAMOND BOMBÉ CLUSTER RING with plain hoop

A RUBY AND DIAMOND CLUSTER RING, the central marquise-cut ruby and diamond cluster with diamond surround, and diamond three-stone openwork shoulders (one deficient), to the fluted hoop

A MARQUISE-CUT DIAMOND SINGLE-STONE RING

A diamond ring set with a circular-cut diamond between square-cut diamond-set shoulders, with alternative mount formed by diamond-set cluster with circular-cut diamonds to the centre surrounded by marquise-shaped diamonds (2)

A diamond single stone ring set with a marquise cut diamond between diamond set shoulders, with plain hoop.

A MARQUISE-CUT DIAMOND ETERNITY RING

A MARQUISE-CUT DIAMOND RING

A MARQUISE-CUT DIAMOND CLUSTER RING

A CABOCHON EMERALD, RUBY AND DIAMOND COCKTAIL RING, the central emerald with marquise and brilliant-cut diamond surround with cabochon ruby detail, to the diamond shoulders and plain hoop

A MARQUISE-CUT DIAMOND SOLITAIRE RING

A MARQUISE-CUT DIAMOND CLUSTER RING with diamond trefoil shoulders to the plain hoop

A RUBY AND DIAMOND DRESS RING the central oval cabochon ruby with marquise and brilliant-cut diamond tiered cluster surround to the plain hoop

A VICTORIAN EMERALD AND DIAMOND CLUSTER RING, the oval emerald centre with cushion-cut diamond marquise surround, mounted in silver and gold, with fleur-de-lis shoulders to the fluted hoop, circa 1880

A VICTORIAN DIAMOND MARQUISE-SHAPED CLUSTER RING, the circular-cut diamonds with carved fleur-de-lis shoulders to the fluted hoop, mounted in silver and gold; and a pair of diamond pendent earrings, each circular-cut diamond cluster suspended from a diamond collet line, mounted in silver and gold, both circa 1880 (3)

AN EMERALD AND DIAMOND OVAL CLUSTER RING, the central marquise-cut emerald with undulating tapered baguette-cut diamond surround to the plain hoop

A WHITE-GOLD RING, set with a marquise-cut diamond flanked by two circular-cut diamonds

An emerald and diamond cluster ring, the central rectangular emerald surrounded by baguette, marquise and brilliant-cut diamonds, with openwork bar design shank.

A DIAMOND CIRCULAR BOMBÉ CLUSTER RING, the brilliant-cut diamond centre with a border of brilliant and marquise-cut diamonds

A sapphire and diamond cocktail ring , the cut-cornered rectangular sapphire single stone centre within a diamond, marquise diamond and baguette diamond cluster and line surround, with split shoulders.

AN EMERALD AND DIAMOND CLUSTER RING, the central triangular-cut emerald with brilliant-cut diamond surround and marquise-cut diamond shoulders to the plain hoop

A PLATINUM MARQUISE-SHAPED RING, set with a marquise-cut diamond, the mount decorated with onyx, the shoulders set with two lines of square-cut rubies

A MARQUISE-CUT DIAMOND TWO-STONE CROSSOVER RING, with brilliant-cut diamond shoulders to the 18 carat gold hoop

AN AQUAMARINE AND DIAMOND RING, THE SQUARE-CUT SOLITAIRE AQUAMARINE WITH MARQUISE DIAMOND AND DIAMOND FIVE STONE SHOULDERS, IN CLAW-SET MOUNT.

AN EMERALD AND DIAMOND CLUSTER RING, the central rectangular-cut emerald with marquise and brilliant-cut diamond surround to the plain hoop