Astra bracelets comprise rock-crystal-candy–like diamond chunks in confectionary hues affixed to sugary-white hoops of gold dusted with colorless stones. Like little Hula-Hoops for the arm, one will get noticed—three will cause a scene.

Astra bracelets in 18k white gold feature 17.13 cts. t.w. rough diamonds and 0.41 ct. t.w. colorless rocks; $22,500 each. Diamond in the Rough

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