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Circa 1910 Platinum 3.90 CTW Diamond Bow Brooch

Item Details

A circa 1910 platinum 3.90 ctw diamond bow brooch. This brooch features a bow design with a flowing shape adorned in circular brilliant, round brilliant, swiss and single cut diamonds. This pierced ribbon design has a locking c-clasp to the verso.

Style: Antique
Materials: Platinum
Brooch Closure Type: Locking C-Clasp
Hallmarks: Unmarked
Total Weight: 12.40 dwt
Primary Stone Type: Diamond
Primary Stone Shape: Circular Brilliant Cut
Primary Stone Count: 2
Primary Stone Dimensions: 4.40 mm
Total Primary Stone Carat Weight: 0.66 ctw
Primary Stone Color Grade: G – H
Primary Stone Clarity Grade: VS1 – VS2
Secondary Stone Type: Diamond
Secondary Stone Shape: Single Cut, Swiss Cut, Round Brilliant Cut
Secondary Stone Count: 117
Secondary Stone Dimensions: 1.50 mm – 2.20 mm
Total Secondary Stone Carat Weight: 3.24 ctw
Secondary Stone Color Grade: G – H
Secondary Stone Clarity Grade: VS1 – VS2
  • This item has been evaluated and verified by an independent Graduate Gemologist.
  • All diamond and gemstone grading is done under GIA standards as the mounting permits, where gemstones are present; where mountings impede accurate measurements, (estimated) dimensions are provided. All weights and measurements are estimated and approximate. Industry standard and accepted treatments for gemstones are assumed unless otherwise noted.
  • Secondhand jewelry may contain minor markings/imperfections throughout.

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