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Heart|Lab Grown|IGI

6.57ct F VVS2 Heart Lab Grown Diamond

EX • F/VVS2 • IGI LG843615565

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843615565

Diamond specifications and retailer prices

From $1,229 USD
As of November 1, 2026
3 retailers carry this diamond
Most expensive: $7,270 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 6.57ct lab-grown heart diamond

This 6.57ct lab-grown heart sits in the over five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843615565 or 843615565. Listed at 3 retailers as of November 1, 2026. 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

6.57
Carat
F
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843615565
Dimensions12.07 × 13.23 × 7.37 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm13.23 mm6.57 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843615565
Side View
Table 59.0%Crown 34.5°Girdle: MediumPavilion 39.2°Culet: NoneDepth 55.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $7,270 USD|Low: $1,229 USD|High: $7,270 USD|Avg: $4,216 USD
Brilliant Earth
Retailer 2
Retailer 3
October 24, 2026
Retailer 3$1,229 USD
Retailer 2$1,918 USD
Brilliant Earth$7,270 USD

15 data points across 3 retailers

3 retailers

A
Cheapest Retailer
-
$1,229 USD
Final sale: no returns
Retailer 2
-
$1,918 USD
£1,510 GBP
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
21744468A · Oct 23
$7,270 USD
View
Price last confirmed 9 days ago
2 more retailers have this diamond
Prices start from $1,229 USD

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.

A
6.57ct Heart
$1,229 USD