0.40ct G SI2 Marquise Natural Diamond
GD • G/SI2 • GIA 6512617243
Certificate GIA 6512617243
Diamond specifications and retailer prices
About this 0.4ct natural marquise diamond
This 0.4ct natural marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6512617243. Listed at 3 retailers as of November 2, 2026, with prices from $253 to $620, a $367 spread on the same certified stone. 77 Diamonds lists it at $620. 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 →3 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.
Similar diamonds
- 0.4ct MarquiseG/SI2from $303across 16 retailersAs of November 1, 2026
- 0.4ct MarquiseG/SI2from $324across 15 retailersAs of November 1, 2026
- 0.4ct MarquiseG/SI2from $276across 8 retailersAs of November 1, 2026
- 0.4ct MarquiseG/SI2from $292across 7 retailersAs of November 1, 2026
- 0.4ct MarquiseG/SI2from $319across 4 retailersAs of October 30, 2026
- 0.4ct MarquiseG/SI2from $439across 4 retailersAs of October 31, 2026
- 0.4ct MarquiseG/SI2from $391across 4 retailersAs of November 2, 2026
- 0.4ct MarquiseG/SI2from $270across 3 retailersAs of November 1, 2026