1.05ct D SI1 Heart Lab Grown Diamond
EX • D/SI1 • IGI LG842651671
Shape and cutting style on the report: Heart brilliant
Certificate IGI LG842651671
Diamond specifications and retailer prices
About this 1.05ct lab-grown heart diamond
This 1.05ct 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 LG842651671 or 842651671. Listed at 3 retailers as of October 31, 2026, with prices from $185 to $670, a $485 spread on the same certified stone. Brilliant Earth lists it at $670. 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
- 1.05ct HeartD/SI1from $244across 13 retailersAs of October 30, 2026
- 1.05ct HeartD/SI1from $853across 2 retailersAs of November 1, 2026
- 1.05ct HeartD/SI1from $1,238As of November 1, 2026
- 1.06ct HeartD/SI1from $188across 2 retailersAs of October 30, 2026
- 1.07ct HeartD/SI1from $188across 3 retailersAs of October 30, 2026
- 1.07ct HeartD/SI1from $1,256As of November 1, 2026
- 1.08ct HeartD/SI1from $180across 14 retailersAs of October 30, 2026
- 1.02ct HeartD/SI1from $205across 10 retailersAs of October 30, 2026