Cartier Art-Deco Star Sapphire & Diamond Platinum Ring, Circa 1930’s
7-Day Returns
Free Insured Shipping
Gemologist Certified
Free Ring Resizing
Questions about this piece?
Speak with Wesley, our GIA trained gemologist — (310) 550-5755
Monday to Friday, 10:30 a.m. to 4:00 p.m. PT · Email us
Want to see it before you decide? Ask for a live video call on FaceTime or WhatsApp and we will show you the piece in hand. Book a video call
A rare and exceptional Art Deco treasure from the most famous French jewelers, Cartier. This antique piece, made in platinum, features a large and impressive blue star sapphire weighing approximately 40 carats! The sapphire is completely natural, with no heat treatment or other treatment of any kind. It is complemented by an assortment of round and fancy shape diamonds of outstanding quality, D-E-F color and VVS clarity, which weigh approximately 3 carats. The ring is signed “Cartier” with serial number “36162” inside the ring. The piece is in excellent condition with normal wear associated with age and use.
Ring Size 6.75
Weight: 24.1 grams
- Free 2nd day domestic shipping on every order (overnight upgrade available for $30)
- Orders processed in 2-5 business days; all shipments insured and require a signature
- Full refund if you email us at info@jeweleretteandco.com within 7 days of delivery; exchange or store credit within 8-14 days
- We pay return shipping; we email you a prepaid insured FedEx label
- Returned items must be unworn, unaltered, and include all original tags; resized, engraved, or custom pieces are final sale
- International orders available by phone or email
- Complimentary ring resizing during the first year of purchase
- Lifetime free setting repairs, including prong re-tipping, re-setting loose stones, and polishing
- Free replacement of missing micro-pave stones within the first year
- Every item is authenticated by a GIA trained gemologist
More Details
Main Stone: Star Sapphire
Stone Cut: Cabochon
Carat Weight: 40.0
Metals & Materials: Platinum
Make an Offer
Choose options
Cartier Art-Deco Star Sapphire & Diamond Platinum Ring, Circa 1930’s
Sale price$48,000.00