1.65ct G SI1 Radiant Lab Grown Diamond
ID • G/SI1 • IGI LG510184285
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG510184285
Diamond specifications and retailer prices
About this 1.65ct lab-grown radiant diamond
This 1.65ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510184285 or 510184285. Listed at 13 retailers as of October 26, 2026, with a 176% 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 →13 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
- 1.64ct RadiantG/SI1from $155across 11 retailersAs of October 27, 2026
- 1.64ct RadiantG/SI1from $155across 10 retailersAs of October 27, 2026
- 1.66ct RadiantG/SI1from $982As of October 28, 2026
- 1.64ct RadiantG/SI1from $576As of October 30, 2026
- 1.64ct RadiantG/SI1from $576As of October 30, 2026
- 1.64ct RadiantG/SI1from $558As of October 29, 2026
- 1.63ct RadiantG/SI1from $155across 10 retailersAs of October 27, 2026
- 1.63ct RadiantG/SI1from $1,419As of October 29, 2026