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Vintage Platinum 2.23 CT Sapphire and 6.64 CTW Diamond Flower Converter Brooch

Item Details

Style: Vintage
Material: Platinum, 14K Gold
Brooch Closure: Locking C-Clasp
Hallmarks: Unmarked
Total Weight: 25.10 grams

Type: Sapphire
Shape: Round Cabochon
Count: 1
Dimension: 7.50 mm – 7.50 mm x 3.80 mm
Carat Weight: 2.23 ct
GIA Hue: violetish Blue
GIA Tone: Dark
GIA Saturation: Moderately Strong
Gemologist Note: Surface Reaching Inclusions

Type: Diamond
Shape: Marquise Cut
Count: 4
Dimension: (7.00) mm x 3.25 mm – (7.00) mm x 3.50 mm – (estimate)
Carat Weight: 1.56 ctw
Color Grade: G – I
Clarity Grade: SI1 – SI2

Type: Diamond
Shape: Round Brilliant Cut
Count: 59
Dimension: 1.40 mm – 3.00 mm
Carat Weight: 2.79 ctw
Color Grade: G – I
Clarity Grade: VS2 – SI1

Type: Diamond
Shape: Baguette Cut
Count: 56
Dimension: (2.00) mm x 1.00 mm – (3.00) mm x 1.75 mm – (estimate)
Carat Weight: 2.29 ctw
Color Grade: G – I
Clarity Grade: VS1 – VS2

  • This item has been evaluated and verified by multiple GIA Graduate Gemologists.
  • 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.


- total diamond carat weight is 6.64 ctw.
- brooch is platinum and stem pin is 14K.
- crack in back design.
- break in mounting.
- previous repair.
- one secondary diamond is missing.
- one secondary diamond has large chip.
- some diamonds are loose.

Item #


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