1.65ct G SI1 Round Lab Grown Diamond
ID • G/SI1 • IGI LG514249714
Shape and cutting style on the report: Round brilliant
Certificate IGI LG514249714
Diamond specifications and retailer prices
About this 1.65ct lab-grown round diamond
This 1.65ct lab-grown round 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 LG514249714 or 514249714. Listed at 19 retailers as of November 1, 2026, with a 435% 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 →19 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
- 1.65ct RoundG/SI1from $359across 20 retailersAs of November 1, 2026
- 1.65ct RoundG/SI1from $207across 17 retailersAs of November 1, 2026
- 1.65ct RoundG/SI1from $1,750As of October 31, 2026
- 1.64ct RoundG/SI1from $357across 20 retailersAs of November 1, 2026
- 1.66ct RoundG/SI1from $440across 14 retailersAs of October 30, 2026
- 1.64ct RoundG/SI1from $248across 7 retailersAs of November 1, 2026
- 1.64ct RoundG/SI1from $1,278across 2 retailersAs of October 31, 2026
- 1.66ct RoundG/SI1from $1,760As of October 31, 2026