Diamond, Onyx, Platinum Ring, Picchiotti The ri

An outstanding AGL certified 6.11 carat colombian emerald that has the deep pure green color desirable in gem quality emeralds. Bezel set in an expertly handcrafted platinum ring creatively designed w

Black Opal, Diamond, Platinum, Gold Ring The ring features an oval-shaped black opal caboc

Art Deco Diamond, Emerald, Platinum Ring The ring features a triangle step-cut diamond measuring 6.20 x 5.75 x 2.17 mm and weighing approximately 0.40 carat, accented by transitional-cut diamonds weig

French Art Deco Platinum Weight 5.82g Onyx Diamond Ring Size 7 Measurement 0.91”x0.74”

Platinum Weight 6g Onyx Diamond  Approx. 81ct Ring Size 7 Measurements 0.9”x0.9”

METAL: platinum, 18k gold. GEMSTONES: diamonds, onyx. MEASUREMENTS: Ring size 7.5. MARKED: tested 18 and plat. WEIGHT: 2.3 grams. Gemstones have not been graded for color and clarity ,and tested for c

METAL: platinum. GEMSTONES: diamonds-approx. 0.77ctw,onyx. MEASUREMENTS: ring size 8.25. Ring top is 16.2mm x16.2mm. MARKED: 900 Plat,100 Irid. WEIGHT: 5.38 grams.Gemstones have not been graded for co

METAL: 18k Gold/Platinum. GEMSTONES: Diamonds approx. 0.50ctw. Onyx. Enamel. MEASUREMENTS: Ring size 6, top is 25mm. TESTED: 18k Plat. WEIGHT: 14.4 grams.Gemstones have not been graded for color and c

TURI Diamond, Black Onyx, Platinum, Gold Ring Stones: Full, straight and tapered baguette-cut diamonds weighing a total of approximately 3.00 carats; emerald-

A Belle Époque diamond, platinum, and onyx ringcentering a bezel-set old European-cut diamond weighing approximately 1.00 carat, flanked by old European-cut diamonds weighing approximately 0.30 carat

Platinum Weight 5.1g Coral Onyx Center Diamond Approx. 0.50ct Vs1-H TW 0.74ct  Ring Size 7.75 Measurements 0.63”x0.79”

Platinum Weight 4.07g Coral Onyx Diamond Approx. 0.25ct Ring Size 7.5 Measurements 0.62”x0.78”

Platinum Weight 5g Aqua Onyx Diamond Approx. 0.25ct Ring Size 6 Measurements 0.57”x0.71”

METAL: Platinum. MEASUREMENTS: Ring size 7, top is 21mm x 17mm. GEMSTONES: Onyx, Diamonds approx. 0.40ctw, Citrine. MARKED: Punchmarks on the outside of the shank, 1216. WEIGHT: 10.2 grams.Gemstones h

JEWELRY: Vintage platinum, onyx and diamond ring, tested platinum setting, filigree under gallery with scroll design on shoulders, bezel set onyx and diamond, center set with one rectangular, curved t

Size 6 Striking 14kt/Platinum Onyx Ring with 1/2Carat Diamond

An 18 Karat Yellow Gold, Platinum, Onyx and Diamond Ring, Montreaux, unsigned, containing one round cabochon cut onyx measuring approximately 16.60 mm in diameter and 20 round brilliant cut diamonds w

Art Deco Style Platinum, Diamond, and Black Onyx Ringthe platinum navette shaped mount with milgrain detailing set to the center with three marquise cut diamonds weighing approximately .70 total carat

Fancy Yellow-Brown Diamond, Diamond, Platinum Ring  The ring features a pear-shaped d

Platinum Weight 8.5g Diamond Center Stone Approx. 0.52ct TW 0.85ct Coral Onyx Ring Size 7.5 Measurements 1"x0.8"

METAL: Platinum. MEASUREMENTS: Ring size - 7.5, ring top - 18mm in diameter. GEMSTONES: Onyx, Coral, Diamonds approx. 0.95ctw. TESTED: Plat. WEIGHT: 6 grams.Gemstones have not been graded for color an

Composition: Platinum Stones: • 1 Natural emerald 1ctw approx. • 22 Old mine cut diamonds H-VS2 1.50ctw • 32 calibrated cut onyxes Ring size: 7 ¾ Ring face: 18mm by 18mm Rise above finger: 7mm.

AN ART DECO ONYX AND DIAMOND RING in platinum, comprising a faceted onyx tablet set with an old cut diamond of 0.60 carats, the shoulders set with single cut diamonds and further inlaid onyx, no assay

One center old miner Diamond Approx. 0.5 CT. Color: J-K. Clarity: VS1. Ring size: 7.5.