1.28ct E SI1 Round Lab Grown Diamond
ID • E/SI1 • IGI LG696546266
Certificate IGI LG696546266
Diamond specifications and retailer prices
About this 1.28ct lab-grown round diamond
This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG696546266 or 696546266. Listed at 3 retailers as of October 30, 2026, with prices from $840 to $1,400, a $560 spread on the same certified stone. Jared lists it at $1,400. 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 →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
- 1.28ct RoundE/SI1from $170across 12 retailersAs of October 29, 2026
- 1.28ct RoundE/SI1from $169across 10 retailersAs of October 29, 2026
- 1.28ct RoundE/SI1from $331across 8 retailersAs of October 30, 2026
- 1.28ct RoundE/SI1from $416across 6 retailersAs of October 30, 2026
- 1.28ct RoundE/SI1from $300across 6 retailersAs of October 30, 2026
- 1.28ct RoundE/SI1from $642As of October 31, 2026
- 1.28ct RoundE/SI1from $635As of October 30, 2026
- 1.27ct RoundE/SI1from $202across 19 retailersAs of October 29, 2026