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Antique Platinum and 14K 1.30 CTW Diamond Cluster Bar Brooch

Item Details

Style: Antique
Materials: Platinum, 10K Gold, 14K Gold, Sterling Silver
Brooch Closure Type: Trombone
Hallmarks: Unmarked
Total Weight (grams): 5.60
Additional Information: Brooch top tests as Platinum, back of brooch tests 14K Gold, stem pin tests 10K Gold, cluster tests as Sterling; married piece – cluster to brooch, includes box.
Primary Stone(s) Type: Diamond
Primary Stone(s) Shape: Old Mine Cut
Primary Stone(s) Dimensions: 5.80 × 6.00 × 1.54 mm
Total Primary Stone(s) Carat Weight: 0.31 ct
Primary Stone(s) Color Grade: G – H
Primary Stone(s) Clarity Grade: VS2 – SI1
Secondary Stone(s) Type: Diamond
Secondary Stone(s) Shape: Old Mine Cut
Secondary Stone(s) Dimensions: 2.80 × 2.80 mm – average
Total Secondary Stone(s) Carat Weight: 0.99 ctw
Secondary Stone(s) Color Grade: G – I
Secondary Stone(s) Clarity Grade: VS2 – SI1
  • 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. Treatments for jadeite and other gemstones are assumed unless otherwise noted.
  • 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.


- diamonds have chips and abrasions.
- lead solder repair.
- nicks and scratches.

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