4.10 Carat Black Opal Diamond & Onyx Art Deco Style Cocktail Ring

A brash black opal cocktail ring. Perfect for a statement piece, this mysterious, Art Deco-inspired ring features an exotic, 4 carat Australian gemstone with a fabulous play of color and a streamlined, sun-ray setting. Entirely handcrafted by a ghost jeweler for Cartier of platinum and 18k gold, displaying great attention to detail. Reminiscent of the glamorous Gatsby era, displaying calibré black onyx and diamond accents with a finely filigreed under gallery. 

Regular price$12,000.
Further Details

Condition: New
Era: Art Deco
Year: 2026
Metal: Platinum

Gemstone: Australian Black Opal
Carat Weight: 4.10
Cut: Cabochon
Color: Play of Color Dominant Green and Blue
Clarity: Opaque

Additional Gemstones:
Diamonds: 24
Carat Weight: 0.97 carats total
Cut: Round Brilliant
Color: H-J
Clarity: VS-SI

Black Onyx: 22
Carat Weight: 0.78 carats total
Cut: Calibré
Color: Black

Graded by GIA standards

Ring Size: 6.5, sizing available
Rise Above Finger: 7mm

Ring Face: 18mm wide x 25mm tall
Band Width: 2mm
Weight: 10.3 grams

Includes: Custom ring box & free expedited shipping.
Certified Appraisal on request

100% money back guarantee.
Reasonable offers always considered.

Photography © Belrose Estate Jewelers, Santa Barbara, CA

Item Id: 250477

What's included?
  • Free Insured Shipping
  • Custom Jewelry Box

Frequently Asked Questions

What Makes Your Jewelry Sustainable?

Our jewelry is not mass-produced, but rather lovingly crafted with attention to detail. By choosing pre-owned antique and vintage jewelry, you're embracing sustainability for the planet. Our dedicated team possesses over 50 years of expertise in providing conflict free and environmentally friendly jewelry.

Are Your Diamonds Natural?

Yes, all of our diamonds are natural, sustainable and eco friendly. We do not sell lab-grown or synthetic diamonds.

While the majority of our inventory is antique or vintage, some of our revival jewelry contains antique diamonds in new settings.

Can I Sell Or Trade My Jewelry?

Yes! We have in-house GIA Graduate Gemologists and Certified Antiques Appraisers who can provide valuations, purchases and offer trade in value for certain jewelry and watches. Please inquire for more information.

Will You Restyle My Jewelry?

Yes! We have been re-imagining our clients jewelry for over 50 years, and would be delighted to discuss options for your treasures that are not being worn. Please inquire for more information.

Do You Offer Layaway or Financing?

Yes! We offer generous layaway terms or 6-12 month interest free financing. Please inquire for more information.