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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 $2,169 AUD
$1,520 USD
As of November 3, 2026
Save $8,347 AUD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,516 AUD 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 $2,169 to $10,516, a $8,347 spread on the same certified stone. Brilliant Earth lists it at $10,516. 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
Colour
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 3
Current: $10,516 AUD|Low: $1,893 AUD|High: $19,862 AUD|Avg: $5,006 AUD|-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 3, 2026
Retailer 5$1,949 AUD
Retailer 9$2,169 AUD
Retailer 2$2,761 AUD
Retailer 13$3,052 AUD
Retailer 6$3,301 AUD
Retailer 8$3,562 AUD
Retailer 10$3,720 AUD
Retailer 11$3,788 AUD
Retailer 12$4,600 AUD
Retailer 4$5,616 AUD
Retailer 7$6,176 AUD
Retailer 3$6,730 AUD
Brilliant Earth$10,516 AUD

41 data points across 13 retailers

17 retailers$2,169 AUD to $10,516 AUD

Retailer 1
-
$1,612 AUD
$1,130 USD
Price last confirmed 31 days ago
Retailer 2
-
$1,828 AUD
$1,281 USD
View
Price last confirmed 35 days ago
Retailer 3
-
$1,949 AUD
$1,366 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
$2,169 AUD
$1,520 USD
View
A
Retailer 5
-
$2,761 AUD
£1,523 GBP
View
A
Retailer 6
-
$3,052 AUD
$2,139 USD
View
B+
Retailer 7
-
$3,301 AUD
€2,203 EUR
View
B+
Retailer 8
-
$3,562 AUD
View
Retailer 9
-
$3,653 AUD
$2,560 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$3,720 AUD
ZAR 42,114 ZAR
View
B+
Retailer 11
-
$3,788 AUD
$2,655 USD
View
B+
Retailer 12
-
$4,600 AUD
$3,224 USD
View
B
Retailer 13
-
$5,616 AUD
$3,936 USD
View
B+
Retailer 14
-
$6,176 AUD
£3,408 GBP
View
B
Retailer 15
-
$6,730 AUD
$4,717 USD
View
Retailer 16
-
$7,897 AUD
View
Price last confirmed 122 days ago
Most Expensive
B
Brilliant Earth
21027063A · Nov 2
$10,516 AUD
$7,370 USD
View
16 more retailers have this diamond
Prices start from $2,169 AUDSave up to $8,347 AUD

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
$2,169 AUD