18K Sapphire and Diamond Ring with Platinum Accent

Item Details

Materials: 18K Gold, Platinum
Ring Size: 7.75
Hallmarks: 750 Pt900 S10.99 D0.125
Total Weight (grams): 14.70
Additional Information: Prongs are platinum, ring is 18K.
Primary Stone Type: Sapphire
Primary Stone Shape: Round Cabochon
Primary Stone Count: 1
Primary Stone Dimensions: (12.09) mm x (11.79) mm x 6.91 mm – (estimate)
Total Primary Stone Carat Weight: 10.99 ct
Primary Stone GIA Hue: B/Blue
Primary Stone GIA Tone: 7/Dark
Primary Stone GIA Saturation: 3/Very Slightly Brownish/Grayish
Secondary Stone Type: Diamond
Secondary Stone Shape: Round Brilliant Cut
Secondary Stone Count: 2
Secondary Stone Dimensions: (2.60) mm – (estimate)
Total Secondary Stone Carat Weight: 0.13 ctw
Secondary Stone Color Grade: G – H
Secondary Stone Clarity Grade: VS1 – VS2
  • 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.


- sapphire is chipped and abraded.
- solder seam in shank.

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