18KY Blue Topaz Marco Bicego Necklace
18KY Blue Topaz Marco Bicego Necklace

18KY Blue Topaz Marco Bicego Necklace

Regular price$1,450.00
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  • A faceted round blue topaz briolette suspended from a brushed gold barrel bail — clean, colorful, and unmistakably Marco Bicego. The sky-blue stone pops beautifully against the warm 18K gold.

  1. 18K Yellow Gold

BIRTHSTONES & ANNIVERSARIES 

  • Topaz is the birthstone for November and marks the 4th wedding anniversary.
    • Mineral: Topaz
    • Chemistry: Al₂SiO₄(F,OH)₂
    • Color: Various, London Blue is prized for its deep teal tone
    • Refractive Index: 1.609 – 1.643
    • Birefringence: 0.008 – 0.016
    • Specific Gravity: 3.49 – 3.57
    • Mohs Hardness: 8

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