Art Deco Amethyst and Diamond Ring of Platinum

This striking Art Deco ring (circa 1920s) features a flat-cut octagonal amethyst framed by a stepped border of old mine cut diamonds. The architectural geometry of the platinum mounting reflects the bold elegance of the era, while the interplay of rich purple and glittering white stones creates a dramatic contrast.

The face of the ring measures 0.6 inches by 0.55 inches across, and the piece weighs 3.86 grams. It is currently a size 8.25 and may be resized upon request for an additional charge. The platinum content has been verified through XRF (x-ray fluorescence) analysis and traditional jeweler’s acid testing, confirming purity and integrity.

In great condition, this jewel captures the sophistication of the Art Deco period—where strong design and luxurious materials came together in enduring works of wearable art.

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Materials: Amethyst; platinum and palladium alloy