1.50ct D SI1 Heart Natural Diamond
ID • D/SI1 • GIA 6435991168
Certificate GIA 6435991168
Diamond specifications and retailer prices
About this 1.5ct natural heart diamond
This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6435991168. Listed at 12 retailers as of October 30, 2026, with prices from £3,620 to £7,966, a £4,347 spread on the same certified stone. NZ Jewellers lists it at £7,966. 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
- 1.5ct HeartD/SI1from £4,805across 24 retailersAs of October 31, 2026
- 1.5ct HeartD/SI1from £3,410across 21 retailersAs of November 1, 2026
- 1.5ct HeartD/SI1from £4,571across 20 retailersAs of October 31, 2026
- 1.5ct HeartD/SI1from £4,162across 17 retailersAs of November 1, 2026
- 1.5ct HeartD/SI1from £2,875across 16 retailersAs of October 30, 2026
- 1.5ct HeartD/SI1from £5,796across 15 retailersAs of October 31, 2026
- 1.5ct HeartD/SI1from £2,717across 15 retailersAs of November 1, 2026
- 1.5ct HeartD/SI1from £3,070across 13 retailersAs of October 31, 2026