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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 HK$11,926 HKD
$1,520 USD
As of November 2, 2026
Save HK$45,900 HKD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$57,826 HKD 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 HK$11,926 to HK$57,826, a HK$45,900 spread on the same certified stone. Brilliant Earth lists it at HK$57,826. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$57,826 HKD|Low: HK$10,412 HKD|High: HK$109,218 HKD|Avg: HK$27,589 HKD|-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 5HK$10,718 HKD
Retailer 9HK$11,926 HKD
Retailer 6HK$15,204 HKD
Retailer 13HK$16,783 HKD
Retailer 2HK$18,149 HKD
Retailer 8HK$19,584 HKD
Retailer 10HK$20,454 HKD
Retailer 11HK$20,831 HKD
Retailer 12HK$25,296 HKD
Retailer 4HK$30,882 HKD
Retailer 7HK$33,959 HKD
Retailer 3HK$37,008 HKD
Brilliant EarthHK$57,826 HKD

41 data points across 13 retailers

17 retailersHK$11,926 HKD to HK$57,826 HKD

Retailer 1
-
HK$8,866 HKD
$1,130 USD
Price last confirmed 31 days ago
Retailer 2
-
HK$10,051 HKD
$1,281 USD
View
Price last confirmed 35 days ago
Retailer 3
-
HK$10,718 HKD
$1,366 USD
View
Price last confirmed 30 days ago
A
Retailer 4
-
HK$11,926 HKD
$1,520 USD
View
A
Retailer 5
-
HK$15,204 HKD
£1,526 GBP
View
A
Retailer 6
-
HK$16,783 HKD
$2,139 USD
View
B+
Retailer 7
-
HK$18,149 HKD
€2,203 EUR
View
B+
Retailer 8
-
HK$19,584 HKD
A$3,840 AUD
View
Retailer 9
-
HK$20,086 HKD
$2,560 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
HK$20,454 HKD
ZAR 42,114 ZAR
View
B+
Retailer 11
-
HK$20,831 HKD
$2,655 USD
View
B+
Retailer 12
-
HK$25,296 HKD
$3,224 USD
View
B
Retailer 13
-
HK$30,882 HKD
$3,936 USD
View
B+
Retailer 14
-
HK$33,959 HKD
£3,408 GBP
View
B
Retailer 15
-
HK$37,008 HKD
$4,717 USD
View
Retailer 16
-
HK$43,421 HKD
A$8,514 AUD
View
Price last confirmed 122 days ago
Most Expensive
B
Brilliant Earth
21027063A · Nov 2
HK$57,826 HKD
$7,370 USD
View
16 more retailers have this diamond
Prices start from HK$11,926 HKDSave up to HK$45,900 HKD

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
HK$11,926 HKD