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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 €1,355 EUR
$1,520 USD
As of November 3, 2026
Save €5,216 EUR (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,571 EUR 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 €1,355 to €6,571, a €5,216 spread on the same certified stone. Brilliant Earth lists it at €6,571. 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

How it works →
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: €6,571 EUR|Low: €1,183 EUR|High: €12,411 EUR|Avg: €3,128 EUR|-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€1,218 EUR
Retailer 9€1,355 EUR
Retailer 2€1,725 EUR
Retailer 13€1,907 EUR
Retailer 6€2,062 EUR
Retailer 8€2,225 EUR
Retailer 10€2,324 EUR
Retailer 11€2,367 EUR
Retailer 12€2,874 EUR
Retailer 4€3,509 EUR
Retailer 7€3,859 EUR
Retailer 3€4,205 EUR
Brilliant Earth€6,571 EUR

41 data points across 13 retailers

17 retailers€1,355 EUR to €6,571 EUR

Retailer 1
-
€1,007 EUR
$1,130 USD
Price last confirmed 31 days ago
Retailer 2
-
€1,142 EUR
$1,281 USD
View
Price last confirmed 35 days ago
Retailer 3
-
€1,218 EUR
$1,366 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
€1,355 EUR
$1,520 USD
View
A
Retailer 5
-
€1,725 EUR
£1,523 GBP
View
A
Retailer 6
-
€1,907 EUR
$2,139 USD
View
B+
Retailer 7
-
€2,062 EUR
View
B+
Retailer 8
-
€2,225 EUR
A$3,840 AUD
View
Retailer 9
-
€2,282 EUR
$2,560 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
€2,324 EUR
ZAR 42,114 ZAR
View
B+
Retailer 11
-
€2,367 EUR
$2,655 USD
View
B+
Retailer 12
-
€2,874 EUR
$3,224 USD
View
B
Retailer 13
-
€3,509 EUR
$3,936 USD
View
B+
Retailer 14
-
€3,859 EUR
£3,408 GBP
View
B
Retailer 15
-
€4,205 EUR
$4,717 USD
View
Retailer 16
-
€4,934 EUR
A$8,514 AUD
View
Price last confirmed 122 days ago
Most Expensive
B
Brilliant Earth
21027063A · Nov 2
€6,571 EUR
$7,370 USD
View
16 more retailers have this diamond
Prices start from €1,355 EURSave up to €5,216 EUR

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
€1,355 EUR