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Vintage 14K Black Onyx and 3.25 CTW Diamond Necklace

Item Details

Style: Vintage
Materials: 14K Yellow Gold, Sterling Silver
Chain Type: Cable
Necklace Length: 16.50"
Necklace Closure Type: Box Tab Insert
Hallmarks: 750100 (handscribed)
Total Weight: 36.90 grams
Primary Stone Type: Onyx
Primary Stone Details: Natural
Primary Stone Shape: Bi
Primary Stone Count: 8
Primary Stone Dimensions: 8.00 mm – 23.00 mm – approximate
Secondary Stone Type: Diamond
Secondary Stone Details: Natural
Secondary Stone Shape: Round Brilliant Cut
Secondary Stone Count: 54
Secondary Stone Dimensions: 1.70 mm – 4.80 mm
Total Secondary Stone Carat Weight: 3.25 ctw
Secondary Stone Color Grade: K – M
Secondary Stone Clarity Grade: SI1 – I1
  • 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.


- the cable chain, box clasp and the hinges in the design are sterling silver.
- the bezels and yellow gold in the design portion are 14K.
- the design portion are is composed of Vintage repurposed pieces and findings.

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