AN EARLY 20TH CENTURY 'TOI ET MOI' DIAMOND DRESS RING Composed of two old-cut diamonds weighing res

AN ANTIQUE DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold, set with two old cut diamonds of approximately 0.55 and 0.52 carats, in a frame of further old cut diamonds, stamped 18CT, s

NO RESERVE - A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with two old European brilliant cut diamonds, stamped 18ct Plat, size K / 5.25, 2.7g.

NO RESERVE - A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with two old European cut diamonds, stamped 18ct Plat, size K / 5.25, 2.7g.

A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, the stylised band terminated at either end with an old cut diamond, with further diamonds to the shoulders, no assay mar

VICTORIAN DOUBLE DIAMOND SNAKE RINGLate 19th- early 20th century, 14k yellow gold. Victorian double snake design ring set with two old mine cut diamonds weighing approximately .12ctw. and four single

Including one Victorian "moi et toi" ring featuring two Old European-cut diamonds weighing a total of approximately 0.75 cttw., set in a 14k yellow gold mounting, size 6 1/2; one Victorian ring cen

SIGNED TIFFANY & CO. ART DECO PLATINUM, DIAMOND AND SAPPHIRE LOW DOME RING, early 20th century. Old European cut round diamond weighing approx 1.00 ct. Centered by two lines of six calibré-cut sapp

A FINE 'TOI ET MOI' DIAMOND DRESS RING Each brilliant-cut diamond weighing 1.69ct and 1.81ct within an eight-claw setting to a plain hoop, mounted in 18K gold, with maker's mark, French assay mark, ri

An early 20th century diamond single-stone ring The old brilliant-cut diamond, weighing 4.03 carats, between tapered single-cut diamond three-stone shoulders, French assay marks(Ring size: N)

Lot of two early 20th century antique rings. One 10k white gold genuine mine cut diamond cocktail ring, approx size 5 (missing stones). One 14k yellow gold Edwardian ring with inconclusive diamond (no

A Burmese sapphire and diamond cluster ring. The early 20th century ovoid-shape Burmese sapphire, weighing approximately 4.50cts, and old-cut diamond cluster, to the later lower mount and replacement

DIAMOND AND SAPPHIRE CLUSTER RING, EARLY 20TH CENTURY The central cushion-shaped diamond, weighing 1.65 carats, within borders of calibré-cut sapphires and single-cut diamonds, ring size Q Footno

DIAMOND SINGLE-STONE RING, MID 20TH CENTURY The fancy octagonal-cut diamond, weighing 8.25 carats, in a raised setting, the shoulders and quatrefoil gallery set with old brilliant and single-cut diamo

A MEMENTO MORI MOURNING RING EARLY 18TH CENTURY The central rock crystal panel above an enamelled skull, between two old mine cut diamonds, in reeded closed back settings, approximately 0.14 carats to

AN IMPORTANT PAIR OF EARLY 20TH CENTURY DIAMOND EARRINGS Each transitional-cut diamond weighing respectively approximately 4.10cts & 4.22cts within a multi-claw setting to hook back fittings, mounted

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with two old cut diamonds of approximately 1.15 and 1.04 carats, accented by rose cut diamonds, French import mark, size Q / 8.25, 5g

An 18 Karat Yellow Gold, Burmese Ruby and Diamond Ring, Mario Buccellati, containing one oval mixed cut ruby weighing approximately 1.50 carats, two old mine cut diamonds weighing approximately 1.95 c

the two old European-cut diamonds weighing approx. 1.63 total carats [the first: 1.17 carats, M/VS1, with faint blue fluorescence; the other, .46 carats, H, I1, cracked] 20.8 grams size 5 1/2

AN EARLY 20TH CENTURY DIAMOND PENDANT NECKLACE The fine cable-link chain leading to a graduated row of old brilliant-cut diamonds, suspending a pierced drop with foliate detailing, similarly-set with

Platinum and Diamond Dress Clips/Broocheach open-work dress clip bezel-set with two old European-cut diamonds weighing approx. 0.50 ct. each, two baguettes-cut diamonds, and one triangular portrait-cu

DIAMOND CROSSOVER RING Obliquely set with two old brilliant-cut diamonds, weighing 1.51 and 1.35 carats, between single-cut diamond shoulders, ring size approx. Q

AN EARLY 20TH CENTURY CONVERTIBLE DIAMOND FLORAL TIARA/NECKLACE CIRCA 1910With seven graduated old mine cut diamond set gold backed silver flower heads, with screw fittings verso, one later, with rose

DIAMOND TWO-STONE RING Set with two opposing old brilliant-cut diamonds weighing 3.39 and 2.80 carats, ring size approx. F (sizing beads)

A SAPPHIRE AND DIAMOND TOI ET MOI RING in 18ct yellow and white gold, set with a round cut sapphire of 2.10 carats and a round brilliant cut diamond of 1.54 carats, accented by further single cut diam