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Australian Opal Signet Ring

Designer: RockShop

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  • This signet ring features an incredible rectangular Australian Opal in over 14 grams of 18K yellow gold. 

    1. 14.4g 18K Yellow Gold
    2. Size 10
    3. 3.8mm Band Width
    4. 2.6ct Australian Opal

    Do you need a different size? If you need a smaller size, we offer a complimentary resize. If you need a larger size, please inquire with size via for a quote. When you're ready for checkout simply specify your desired size. We will resize the ring and ship within 7-10 business days.


  • Opal is an October birthstone and the gem of the 14th wedding anniversary.

      MINERAL: Hydrated Silica
      CHEMISTRY: SiO2•nH2O
      COLOR: All colors
      REFRACTIVE INDEX: 1.37-1.47
      SPECIFIC GRAVITY: 2.15 (+0.08, -0.90)
      MOHS HARDNESS: 5 to 6.5

  • If you need additional information regarding any of our gems or stones please contact us at: