4.00ct D SI1 Round Lab Grown Diamond
ID • D/SI1 • IGI LG723553971
Shape and cutting style on the report: Round brilliant
Certificate IGI LG723553971
Diamond specifications and retailer prices
About this 4ct lab-grown round diamond
This 4ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG723553971 or 723553971. Listed at 12 retailers as of October 29, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 RoundD/SI1from $894across 16 retailersAs of October 30, 2026
- 4ct RoundD/SI1from $1,029As of October 30, 2026
- 4.01ct RoundD/SI1from $562across 9 retailersAs of October 29, 2026
- 4.01ct RoundD/SI1from $932across 7 retailersAs of October 30, 2026
- 4.03ct RoundD/SI1from $687across 18 retailersAs of October 29, 2026
- 3.95ct RoundD/SI1from $434across 11 retailersAs of October 29, 2026
- 4.06ct RoundD/SI1from $607across 17 retailersAs of October 29, 2026
- 4.08ct RoundD/SI1from $645across 17 retailersAs of October 29, 2026