MATTHIA'S & CLAIRE Double Cube Ring

Size Guide

Matthia's & Claire 18k white gold and black ceramic gold double "Cube" ring with white diamonds and ruby.

Double cube ring. 18k white gold band with white diamonds and ruby, parallel to a black ceramic band. Strong and structured, our Cube collection boasts modern lines and polished angularity, accented by diamonds and precious gemstones. The cube collection is emboldened by its exposed hardware and subtly rounded corners, rendering each piece captivating in its dimension.


  • 9 grams

  • 18k gold

  • White Gold

  • 0.16 pave diamonds, 0.24 pave Pink Sapp

  • Ring Size 6 3/4
  • Diamond Clarity: F-G, VS1

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            Please note that this guide provides approximate conversions, actual sizing may vary from brand to brand. For further information or advice, please contact our customer service by phone at (310) 360-8008 or email us at