Antique Art Deco Old Mine Diamond & Onyx Target Engagement Ring

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A unique and striking antique Art Deco engagement ring centered by an old mine cut diamond floating in a black onyx pool. This antique target ring displays both rich 18k yellow gold and cool platinum for a two tone vibe. The chunky main diamond set in a milgrained bezel is accompanied by a chorus of 15 rose cut diamonds arranged in a scalloped halo surround.