No-Heat Burmese Star Ruby Ring, AGL 11ct, Art Deco Platinum Setting

An 11-carat star ruby commands this ring, cut as an oval cabochon and bezel-set in platinum to protect its domed surface while showcasing the strong six-rayed asterism confirmed on the AGL certificate. The report identifies the stone as Burmese in origin with no indications of heat treatment; a combination genuinely rare at this size, since natural, unheated star rubies from Burma rarely reach the market in double-digit carat weights. Twenty round brilliant and baguette diamonds surround the ruby in a stepped, geometric frame, their crisp faceting a deliberate contrast to the ruby's smooth, glowing dome. The architecture of the setting with sharp angles, baguette accents, a bold central cabochon; is unmistakably Art Deco, built in the 1930s when jewelers paired exceptional gemstones with clean, structured platinum work rather than ornate detail. The accompanying AGL report identifies the center ruby at 11.0 carats, while the accent diamonds total approximately 1.5 carats.

Excellent vintage condition; no visible wear, damage, or loose stones in photographs. Stamped with maker's mark. Size 4.5. Weighs 6.5 grams total.