8.51ct G VS1 Round Lab Grown Diamond
EX • G/VS1 • IGI LG823623420
Shape and cutting style on the report: Round brilliant
Certificate IGI LG823623420
Diamond specifications and retailer prices
About this 8.51ct lab-grown round diamond
This 8.51ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823623420 or 823623420. Listed at 4 retailers as of October 30, 2026, with a 161% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.
The 4Cs
Specifications
Caratlytics Score
How it works →4 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
- 8.52ct RoundG/VS1from $1,836across 24 retailersAs of October 26, 2026
- 8.5ct RoundG/VS1from $2,368across 19 retailersAs of October 31, 2026
- 8.52ct RoundG/VS1from $6,458across 7 retailersAs of October 29, 2026
- 8.52ct RoundG/VS1from $2,630across 5 retailersAs of October 30, 2026
- 8.52ct RoundG/VS1from $6,802across 2 retailersAs of October 30, 2026
- 8.53ct RoundG/VS1from $3,006across 15 retailersAs of October 29, 2026
- 8.54ct RoundG/VS1from $1,840across 21 retailersAs of October 29, 2026
- 8.55ct RoundG/VS1from $1,949across 3 retailersAs of October 31, 2026