1.00ct D SI1 Heart Lab Grown Diamond
ID • D/SI1 • IGI LG850681377
Shape and cutting style on the report: Heart brilliant
Certificate IGI LG850681377
Diamond specifications and retailer prices
About this 1ct lab-grown heart diamond
This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG850681377 or 850681377. Listed at 7 retailers as of October 26, 2026, with prices from £230 to £627, a £396 spread on the same certified stone. MOH London lists it at £627. 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 →7 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
- 1ct HeartD/SI1from £116across 15 retailersAs of October 30, 2026
- 1ct HeartD/SI1from £119across 14 retailersAs of October 30, 2026
- 1ct HeartD/SI1from £125across 13 retailersAs of October 30, 2026
- 1ct HeartD/SI1from £161across 7 retailersAs of October 30, 2026
- 1ct HeartD/SI1from £233across 5 retailersAs of October 30, 2026
- 1ct HeartD/SI1from £111across 5 retailersAs of October 30, 2026
- 1ct HeartD/SI1from £209across 5 retailersAs of October 31, 2026
- 1ct HeartD/SI1from £112across 4 retailersAs of October 30, 2026