Art Deco style 1.25 carat old mine cut diamond onyx platinum engagement ring

This striking Art Deco–inspired ring showcases a 1.25 carat old mine cut diamond at its center, glowing with vintage charm and character. Framed by twelve sleek calibre cut black onyx stones, the diamond radiates with bold contrast and dramatic elegance. Meticulously crafted in platinum, the ring reflects the clean geometry and architectural precision of the Art Deco era. Subtle hallmarks including the engraved weight and maker’s mark underscore its craftsmanship. With a substantial presence and timeless aesthetic, this piece offers a graceful balance of light and shadow in every detail.