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Vintage Platinum 2.54 CTW Diamond and Black Onyx Converter Brooch

Item Details

Era: Vintage
Metal Type: Platinum
Brooch Closure Type: Locking C-Clasp
Hallmarks: Unmarked
Total Weight: 11.90 grams

PRIMARY DIAMONDS
Count: 1
Shape: Circular Brilliant Cut
Color Grade: F – G
Clarity Grade: SI1 – SI2
Dimensions: 4.40 mm – 4.50 mm
Total Carat Weight: 0.34 ct

SECONDARY DIAMONDS
Count: 2
Shape: Circular Brilliant Cut
Color Grade: F – G
Clarity Grade: VS2 – SI1
Dimensions: 4.00 mm
Total Carat Weight: 0.46 ctw

SECONDARY DIAMONDS
Count: 52
Shape: Single Cut, Circular Brilliant Cut
Color Grade: G – H
Clarity Grade: VS1 – VS2
Dimensions: 1.30 mm – 3.30 mm
Total Carat Weight: 1.74 ctw

SECONDARY STONES
Count: 12
Type: Black Onyx
Shape: Custom Faceted
Dimensions: 2.00 mm x 1.00 mm – 2.50 mm x 2.00 mm – approximate

   
  • This item has been evaluated and verified by a GIA 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.
  • Pre-owned jewelry may contain minor markings/imperfections throughout.
  • While we represent items accurately on our site to the best of our ability, the color calibration of computer monitors can vary, causing colors to appear slightly different from one monitor to another. Due to this, please note that precise color representation of metal and gemstones is not always possible.

Condition

- total diamond carat weight is 2.54 ctw.
- includes a retractable bail and enhancer bail.
- black onyx are chipped and abraded.
- two black onyx are missing.
- box included.

Item #

ITMG708620

Terms & Conditions

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