Art Deco Platinum Diamond Ring 0.88ct E SI1 GIA Vintage Engagement Ring

A striking example of authentic Art Deco design, this platinum diamond ring captures the bold geometry and refined craftsmanship that defined the 1920s–1930s era. The mounting itself is original to the period, hand-fabricated in platinum and showcasing the architectural symmetry and intricate detailing that made Art Deco jewelry so enduring.

At its center sits a GIA-certified 0.88 carat round brilliant diamond, expertly set into the original mounting. While the center stone is a modern addition, it enhances the ring with exceptional brilliance while preserving the integrity and character of the antique design.

The surrounding arrangement of baguette and single cut diamonds creates a beautifully balanced, stepped composition—hallmarks of true Art Deco styling. Fine milgrain detailing and precise craftsmanship reflect the work of early American platinum jewelers, many of whom operated in New York and Newark during this iconic design period.

As an authentic vintage piece, the ring shows light signs of wear. The shank is slightly out of perfectly round and displays minor surface scratches consistent with age. These characteristics are typical of antique jewelry and do not affect the ring’s beauty or wearability.

Details:
Metal: Platinum 
Total Carat Weight: 1.28 CTW Approx.
Center Stone: Natural Diamond (GIA Certified) 0.88 CT, SI1, E
Side Stones: Natural Diamonds, Approximately 0.40 CTW F, SI1–SI2
Ring Weight: 3.38 grams
Ring Size: 4.25

Each piece of jewelry is carefully evaluated by our Graduate Gemologist, certified by the Gemological Institute of America (GIA), to ensure quality, authenticity, and lasting beauty.

We invite you to learn more about our craftsmanship and values on our About Us page. If you have any questions or would like personalized assistance, please don’t hesitate to contact us — we’re always happy to help.