A MICHAEL BONDANZA PLATINUM AND 18 KARAT YELLOW GOLD

A Pair of 18 Karat Yellow Gold Earclips, Michael Bondanza, consisting of an abstract swan design. Stamp: 18K (maker's mark). 21.70 dwts.

A Pair of 18 Karat Yellow Gold, Diamond and Onyx Earclips, Michael Bondanza, containing four round brilliant cut diamonds weighing approximately 0.32 carat total and six round onyx inlaid plaques. Sta

Art Deco Possibly French Very Fine Lapis Lazuli, Platinum 18 Karat Yellow Gold and Silver Compact with Carved Jade and Diamond Clasp. Signed ATP (the T looks like a tri-pod) and what appears to be a F

Attributed to: Kwiat Collection, New York Approx. 41.25 Carat One Hundred Sixty Five (165) Princess Cut Fancy Intense Yellow and White Diamond, Platinum and 18 Karat Yellow Gold Bracelet. Yellow Diamo

GIA Certified 4.0 Carat Emerald Cut Natural Fancy Light Yellow Diamond, Platinum and 18 Karat Yellow Gold Engagement Ring. Yellow diamond VVS2 clarity. Accented with 1.50 carat TW two trapezoid shape

Large Approx. 5.75 Carat Round Brilliant Cut Diamond, Platinum and 18 Karat Yellow Gold Brooch. Diamonds E-F color, VVS clarity. Unsigned. Very good condition. Measures 2-1/2" x 1-3/4". Approx. weight

Approx. 2.55 Carat Oval Cut Emerald, .80 Carat TW Two Trillion Cut Diamond, Platinum and 18 Karat Yellow Gold Ring. Emerald with vivid color. Diamonds G-H color, VS-SI clarity. Stamped Plat 18K. Ring

Vintage Approx. 4.0 Carat TW Seventy Baguette and Round Brilliant Cut Diamond, Platinum and 18 Karat Yellow Gold Ring Setting. Diamonds D-E color, VVS-VS clarity. Ring octagonal opening approx. 11.5mm

A romantic Edwardian Heart shape Aquamarine and Diamond Bow Pendant, made in Platinum on 18 karat yellow gold. Style Number: MM-2053Metal: Platinum & 18k Yellow Gold Gram Weight: 8.7 Stones: 12ct Hear

A Demantoid Garnet and Diamond Ring. Platinum topped 18 karat yellow gold mounting contains one bezel set oval demantoid garnet which is approximately 2.08 carats. Garnet contains a horse tail inclusi

A Sapphire Ring. Brushed two-tone platinum and 18 karat yellow gold mounting contains one faceted oval sapphire Size: 10.5 Wt: 13.5 grams

Contemporary Italian Twelve Small Round Brilliant Cut Diamond, Platinum and 18 Karat Yellow Gold Flexible Ring. Stamped Italy, 18K, Pt950. Ring size 6+/-. Approx. weight: 5.6 grams. Condition: Very go

Vintage Platinum and 18 Karat Yellow Gold Band / Ring. Stamped Plat 750. Ring size 8-1/4. Approx. weight: 9.9 grams. Condition: Good vintage condition. Light surface wear. Estimate: $100.00 - $300.00

signed 'Webb, 18k'; containing 40 full cut diamonds [F-G/VS] weighing approximately 2.00 carats total 45.9 grams approximately 36.00 mm long

Art Deco 18 Karat Yellow Gold, Platinum, Diamond and Ruby Bar Brooch Bezel set on the diagonal with four square French cut Diamonds [G/VVS], approximate total weight 2.05 carats, and enhanced with 16

An 18 Karat Yellow Gold, Platinum, Ruby and Diamond Longchain Necklace, Montreaux, unsigned, consisting of a fancy curb link chain measuring approximately 10.00 mm wide with four platinum topped gold

An 18 Karat Yellow Gold, Platinum and Diamond Bracelet, Montreaux, unsigned, containing 72 round brilliant cut diamonds weighing approximately 2.55 carats total. Stamp: 18K. 101.80 dwts.

An 18 Karat Yellow Gold, Platinum and Diamond Ring, containing one old European cut diamond weighing approximately 1.24 carats, and two old European cut diamonds weighing approximately 1.60 carats tot

An 18 Karat Yellow Gold, Platinum and Diamond Ring, Montreaux, unsigned, containing 105 round brilliant cut diamonds weighing approximately 6.50 carats total. Stamp: 18K. 10.40 dwts.

An 18 Karat Yellow Gold, Platinum and Diamond Flower Clip Brooch, Italian, consisting of five stippled textured curved petals surmounted with platinum zigzag design plaques containing 63 round brillia

A Retro 18 Karat Yellow Gold, Platinum, Diamond and Emerald Wristwatch, Gubelin, the bezel and lugs containing 28 round brilliant cut diamonds weighing approximately 0.84 carats total and six round mi

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

An Art Deco 18 Karat Yellow Gold, Platinum, Jade, Diamond and Seed Pearl Brooch, containing one pierced and carved jade bi measuring approximately 33.55 mm in diameter, six round single cut diamonds,

An 18 Karat Yellow Gold, Platinum, Synthetic Ruby, Diamond, Synthetic Sapphire, Cultured Pearl and Glass Sword Jabot, French, consisting of a sword and sheath jabot pin containing one cushion shape mi