A DIAMOND ENGAGEMENT RING set with an octagonal step cut diamond of approximately 1.10 carats within

A ladies handmade Art Deco platinum engagement ring, having an octagonal top with a prong set Old European cut diamond (approximately 0.34 carats total weight, color I, clarity I2) and filigree decora

AN EMERALD AND DIAMOND CLUSTER RING in yellow gold and platinum, set with an octagonal step cut emerald of approximately 2.95 carats in a cluster of single cut diamonds, stamped PLAT, size Q / 8.25, 4

AN EMERALD AND DIAMOND THREE STONE RING in 18ct yellow gold, set with an octagonal step cut emerald of approximately 1.46 carats, between two round cut diamonds, British hallmarks, size N / 6.5, 4.8g.

A DIAMOND RING set with a step cut diamond of approximately 0.61 carats, the tapering band accented by round brilliant cut diamonds, the diamonds all totalling 1.0-1.1 carats, no assay marks, size L /

A diamond engagement ring set with a round brilliant-cut diamond of approximately 0.33 carats, approximate clarity I3, with diamonds set to the shoulders, the shank marked 585, size N 1/2, together wi

An Art Deco Platinum, Rose Gold, Diamond and Onyx Ring, containing one triangular shape step cut diamond weighing approximately 1.20 carats within an onyx surround. 3.30 dwts. Estimate $2,000-3,000 Se

A Platinum, Aquamarine and Diamond Ring, containing one oval mixed cut aquamarine measuring approximately 12.18 x 9.53 x 5.78 mm and two octagonal step cut diamonds weighing approximately 0.90 carat t

centering on one prong set pear cut diamond weighing approximately .83 carat (I color, SI2 clarity) and accented to each side with two channel set round brilliant cut diamonds weighing approximately .

A Platinum and Diamond Ring, containing one octagonal step cut diamond weighing 3.60 carats and four baguette cut diamonds weighing approximately 1.00 carat total. Accompanied by a Gemological Institu

A Platinum and Diamond Ring, containing one octagonal step cut diamond weighing 5.02 carats and two baguette cut diamonds weighing approximately 0.50 carat total. Stamp: PLATINUM. Accompanied by a Gem

A Yellow Gold and Diamond Ring, containing one octagonal step cut diamond weighing 2.01 carats and two baguette cut diamonds weighing approximately 0.35 carat total. Accompanied by a Gemological Insti

A Yellow Gold and Colored Diamond Ring, containing one octagonal step cut colored diamond (origin of color not tested) weighing approximately 1.60 carats. 6.30 dwts. Estimate $ 2,000-3,000

(2) matching rings including an engagement ring having a central round cut diamond weighing approximately 0.80 carats, SI-1 clarity, H color (graded by Heidi Harders, BSBS, ISA-CAPP, NAJA, GG of Chica

DESCRIPTION: Vintage platinum (tested) engagement ring set with center round brilliant cut diamond, approximately 1 carat (by formula). Clarity SI1, Color G-H. Accented by two tapered baguette diamond

DESCRIPTION: Vintage platinum (tested) engagement ring set with center round brilliant cut diamond, approximately 1 carat (by formula). Clarity SI1, Color G-H. Accented by two tapered baguette diamond

Diamond Ring and Ring Guard platinum, the engagement ring set with a pear-cut diamond weighing approximately 2.85 carats, approximate color G and clarity SI1, accented by pear-cut diamonds flanking th

NO RESERVE - A DIAMOND SOLITAIRE ENGAGEMENT RING in 18ct yellow gold, set with a round brilliant cut diamond of approximately 0.23 carats, full British hallmarks for 18ct gold, size K / 5, 2.8g.

Centering one emerald cut diamond [K/SI2] weighing approximately 5.92 carats; accented with six baguette-shape step-cut diamonds [H-I/VS] weighing approximately 0.55 carats total; signed ?Cartier?; si

A 19th century diamond cluster ring, the oval silver mount centred with a bezel-set mixed oval-cut diamond of approximately 0.70 carats, within a border of small old-cut diamonds, the yellow metal sha

DESCRIPTION: Vintage platinum (marked 10% Irid Plat) engagement ring set with center Old European cut diamond, approximately 1.16 carat (by formula). Clarity I1, Color H-I. Accented by seven single cu

DESCRIPTION: Vintage platinum (marked 10% Irid Plat) engagement ring set with center Old European cut diamond, approximately 1.16 carat (by formula). Clarity I1, Color H-I. Accented by seven single cu

GRAFF, A DIAMOND ETERNITY RINGThe ring channel set with step cut diamonds, the sides with calibré step cut diamonds, approximately 6.83 carats total, signed Graff, in a Graff box with card outer

An Antique Platinum and Diamond Ring, A. H. Fetting, containing one octagonal step cut diamond weighing 1.30 carats, two round brilliant cut diamonds weighing approximately 0.40 carat total, and 26 ro

Ladies 18k white gold diamond engagement wedding ring. Features 1.75 carat prong set heart cut diamonds flanked by two sets of four round cut diamonds. Total diamond weight approximately 2.55 carats.