4.00ct E SI1 Cushion Lab Grown Diamond
ID • E/SI1 • IGI LG842609877
Shape and cutting style on the report: Cushion modified brilliant
Certificate IGI LG842609877
Diamond specifications and retailer prices
About this 4ct lab-grown cushion diamond
This 4ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842609877 or 842609877. Listed at 12 retailers as of October 27, 2026, with prices from $493 to $3,160, a $2,667 spread on the same certified stone. Brilliant Earth lists it at $3,160. 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 →12 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
- 4ct CushionE/SI1from $998across 12 retailersAs of October 27, 2026
- 4ct CushionE/SI1from $820across 8 retailersAs of October 29, 2026
- 3.99ct CushionE/SI1from $1,371across 5 retailersAs of October 30, 2026
- 4.01ct CushionE/SI1from $1,388across 4 retailersAs of October 30, 2026
- 3.99ct CushionE/SI1from $3,490As of October 29, 2026
- 4.02ct CushionE/SI1from $458across 13 retailersAs of October 27, 2026
- 4.04ct CushionE/SI1from $498across 12 retailersAs of October 27, 2026
- 4.04ct CushionE/SI1from $2,164across 7 retailersAs of October 31, 2026