1.50ct D SI1 Marquise Natural Diamond
VG • D/SI1 • GIA 6551666431
Certificate GIA 6551666431
Diamond specifications and retailer prices
About this 1.5ct natural marquise diamond
This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6551666431. Listed at 14 retailers as of November 4, 2026, with prices from $7,452 to $13,359, a $5,907 spread on the same certified stone. With Clarity lists it at $13,359. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
Specifications
Caratlytics Score
How it works →14 retailers
Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.
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