1.21ct J SI1 Marquise Natural Diamond
EX • J/SI1 • GIA 5241045555
Certificate GIA 5241045555
Diamond specifications and retailer prices
About this 1.21ct natural marquise diamond
This 1.21ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5241045555. Listed at 14 retailers as of October 31, 2026, with prices from $2,841 to $5,404, a $2,563 spread on the same certified stone. Helzberg Diamonds lists it at $5,404. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.
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.
Similar diamonds
- 1.21ct MarquiseJ/SI1from $1,984across 18 retailersAs of November 2, 2026
- 1.21ct MarquiseJ/SI1from $2,586across 14 retailersAs of October 31, 2026
- 1.21ct MarquiseJ/SI1from $3,970across 14 retailersAs of November 2, 2026
- 1.21ct MarquiseJ/SI1from $1,981across 12 retailersAs of October 31, 2026
- 1.21ct MarquiseJ/SI1from $4,075across 11 retailersAs of October 28, 2026
- 1.21ct MarquiseJ/SI1from $3,353across 5 retailersAs of November 2, 2026
- 1.21ct MarquiseJ/SI1from $3,852across 4 retailersAs of October 27, 2026
- 1.21ct MarquiseJ/SI1from $3,764across 3 retailersAs of November 2, 2026