0.30ct H SI1 Round Lab Grown Diamond
EX • H/SI1 • TA50B-320-1296
Diamond specifications and retailer prices
About this 0.3ct lab-grown round diamond
This 0.3ct lab-grown round sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade. Listed at 2 retailers as of October 27, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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 →2 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
- 0.3ct RoundH/SI1from $293across 9 retailersAs of October 29, 2026
- 0.3ct RoundH/SI1from $137across 5 retailersAs of October 29, 2026
- 0.3ct RoundH/SI1from $137across 4 retailersAs of October 29, 2026
- 0.3ct RoundH/SI1from $238across 3 retailersAs of October 28, 2026
- 0.3ct RoundH/SI1from $502across 2 retailersAs of October 29, 2026
- 0.3ct RoundH/SI1from $425across 2 retailersAs of October 29, 2026
- 0.3ct RoundH/SI1from $422As of October 29, 2026
- 0.3ct RoundH/SI1from $317As of October 30, 2026