(164154) A diamond and synthetic colour treated diamond

A 9ct gold kyanite and diamond ring. The oval-shape kyanite, to the single-cut near-colourless and colour-treated blue diamond sides. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham, 2

AN EARLY 20TH CENTURY SYNTHETIC COLOUR-CHANGE SAPPHIRE AND DIAMOND CLUSTER RING a cushion-cut synthetic colour-change sapphire within a milgrain border of round-cut diamonds. Estimated total diamond w

14KY. 3-stone Gypsy ring features (1) 6.0mm round synthetic blue Sapphire, chipped, flanked by (2) round old cut Diamonds, approx. 1.0ctw, Colour: HI Clarity VS to SI. Size 9+. 10.5gtw with

(131366-1-A) A pair of gem-set ear studs. Each designed as a rose quartz and two varying-hue amethyst cabochons interspaced with brilliant-cut diamond collets, to the pave-set colour treated 'pink' di

A synthetic ruby and diamond dress ring. The graduated kite-shape synthetic ruby line, with circular-cut diamond geometric line sides and tapered band. Estimated total diamond weight 1ct, H-J colour,

Klarich Collection 10K Gold Diamond Red To Purple center Stone Ring.Aprox 18.3mm aprox size 8, oval faceted center is natural, treated or synthetic unidentified purple to red such as ruby, garnet or a

Three brooches. To include a late Victorian 9ct gold bi-colour foliate brooch, together with an early 20th century oval-shape sapphire brooch within a single-cut diamond surround, and a synthetic spin

Ladies yellow gold (tested to be 14k) probably synthetic emerald slice and diamond ring. There is one emerald slice that measures approx 8.2x7x2.2mm this stone has probably been treated. There are two

estimated weight 1.40 ct, estimated colour I-J, estimated purity P. Flanked by two synthetic sapphires, trapeze cut. .

A FANCY COLOUR DIAMOND DRESS RING in 18ct white gold, set with a cushion cut blue diamond of 1.01 carats in a border of round brilliant cut pink diamonds, and a cushion cut yellow diamond of 1.26 cara

centering one oval mixed cut synthetic emerald weighing approximately 5.00 carats; and 12 full cut diamonds [K-L/SI] weighing approximately 0.70 carats total 7.0 grams size: 6 1/2

DIAMOND, SYNTHETIC RUBY AND CULTURED PEARL CONVERTIBLE BROOCH Containing 10 tapered baguette cut diamonds weighing approximately 1.50 carats total, 50 round brilliant cut diamonds weighing approximate

Including one ring featuring twenty-one old European-cut diamonds weighing a total of approximately 1.25 cttw. set in a platinum mounting, size 6 1/4; together with a pair of matched rings, each featu

In the style of Art Deco, 14K white gold strap bracelet with center row of synthetic sapphires and a row of natural diamonds on either side. Total Weight of Diamonds: 1.50ct t.w.Measures: 6.50in L x 0

(Lot of 4) Diamond, synthetic sapphire, emerald, platinum and 14k white gold eternity bands Including 1) eternity band, featuring (33) full-cut diamonds, weighing a total of approximately 1.00 ct., se

NS TTO Vintage 14k Yellow and White Gold Diamond Synthetic Ruby Men Ring Diamonds are round brilliant cut. Ruby is synthetic, step cut. Diamond carat weight is 0.42 points. Gold was tested for 14k. Me

containing three old European cut diamonds [H-J/VS] weighing approximately 0.25 carats total; 16 single-cut diamonds [H-J/VS] weighing approximately 0.40 carats total; and eight caliber-cut synthetic

A diamond, synthetic emerald and fourteen karat gold line braceletdesigned as white gold box-set round brilliant-cut diamonds and step-cut synthetic emeralds, with yellow gold curb link chain trim. 17

set with a round diamond approx. 0.20 carat, centering 5 (8x6mm) synthetic star sapphires, and 30 diamond melee, tests platinum, overall diameter 1.4in., 16.2gms.

Platinum earrings with round diamonds at the top weighing approx. 0.60 ctw with a halo of synthetic diamonds and a round synthetic emerald dangle at the bottom, posts with friction backs, 1.25 in. L,

containing one oval mixed cut natural sapphire weighing approximately 0.42 carats; eight square mixed cut synthetic sapphires weighing approximately 0.40 carats total; two cut corner rectangular step

(Lot of 4) Victorian diamond, synthetic ruby, garnet, seed pearl and gold hand stickpins Including (1) diamond, 10k rose gold hand stickpin; (1) old mine-cut diamond, garnet, seed pearl, 14k yellow go

Centering an Old European-cut diamond accented by six single-cut diamonds weighing a total of approximately 0.54 cttw., highlighted by twenty-one round, oval, and square step-cut synthetic rubies set

(Lot of 3) Diamond, synthetic sapphire, gold and platinum rings Including 1) diamond, synthetic sapphire, platinum-topped and 18k yellow gold ring, size 5.25; 1) diamond, synthetic sapphire and 18k wh