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Heart|Lab Grown|IGI

6.66ct F VVS2 Heart Lab Grown Diamond

ID • F/VVS2 • IGI LG657463791

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG657463791

Diamond specifications and retailer prices

From $1,520 USD
As of November 2, 2026
Save $5,850 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,370 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.66ct lab-grown heart diamond

This 6.66ct 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 LG657463791 or 657463791. Listed at 17 retailers as of November 2, 2026, with prices from $1,520 to $7,370, a $5,850 spread on the same certified stone. Brilliant Earth lists it at $7,370. 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

6.66
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657463791
Dimensions12.77 × 12.13 × 7.65 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm12.13 mm6.66 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657463791
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $7,370 USD|Low: $1,327 USD|High: $13,920 USD|Avg: $3,516 USD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 5$1,366 USD
Retailer 9$1,520 USD
Retailer 6$1,938 USD
Retailer 13$2,139 USD
Retailer 2$2,313 USD
Retailer 8$2,496 USD
Retailer 10$2,607 USD
Retailer 11$2,655 USD
Retailer 12$3,224 USD
Retailer 4$3,936 USD
Retailer 7$4,328 USD
Retailer 3$4,717 USD
Brilliant Earth$7,370 USD

41 data points across 13 retailers

17 retailers$1,520 USD to $7,370 USD

Retailer 1
-
$1,130 USD
Price last confirmed 31 days ago
Retailer 2
-
$1,281 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$1,366 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$1,520 USD
View
A
Retailer 5
-
$1,938 USD
£1,526 GBP
View
A
Retailer 6
-
$2,139 USD
View
B+
Retailer 7
-
$2,313 USD
€2,203 EUR
View
B+
Retailer 8
-
$2,496 USD
A$3,840 AUD
View
Retailer 9
-
$2,560 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$2,607 USD
ZAR 42,114 ZAR
View
B+
Retailer 11
-
$2,655 USD
View
B+
Retailer 12
-
$3,224 USD
View
B
Retailer 13
-
$3,936 USD
View
B+
Retailer 14
-
$4,328 USD
£3,408 GBP
View
B
Retailer 15
-
$4,717 USD
View
Retailer 16
-
$5,534 USD
A$8,514 AUD
View
Price last confirmed 121 days ago
Most Expensive
B
Brilliant Earth
21027063A · Nov 2
$7,370 USD
View
16 more retailers have this diamond
Prices start from $1,520 USDSave up to $5,850 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
6.66ct Heart
$1,520 USD