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Heart|Lab Grown|IGI

12.03ct G VVS2 Heart Lab Grown Diamond

ID • G/VVS2 • IGI LG791639502

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791639502

Diamond specifications and retailer prices

From HK$29,593 HKD
£2,970 GBP
As of November 2, 2026
Save HK$143,962 HKD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$173,556 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.03ct lab-grown heart diamond

This 12.03ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG791639502 or 791639502. Listed at 22 retailers as of November 2, 2026, with prices from HK$29,593 to HK$173,556, a HK$143,962 spread on the same certified stone. Brilliant Earth lists it at HK$173,556. 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

12.03
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791639502
Dimensions14.80 × 15.38 × 8.79 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.80 mm15.38 mm12.03 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791639502
Side View
Table 59.0%Crown 36.9°Girdle: STK-THKPavilion 37.4°Culet: NoneDepth 57.2%

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$173,556 HKD|Low: HK$29,584 HKD|High: HK$173,556 HKD|Avg: HK$59,883 HKD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 12HK$29,593 HKD
Retailer 7HK$31,769 HKD
Retailer 3HK$33,291 HKD
Retailer 8HK$35,566 HKD
Retailer 4HK$36,845 HKD
Retailer 6HK$36,845 HKD
Retailer 15HK$36,877 HKD
Retailer 2HK$44,786 HKD
Retailer 9HK$46,049 HKD
Retailer 13HK$48,415 HKD
Retailer 17HK$53,495 HKD
Retailer 16HK$57,034 HKD
Retailer 11HK$59,588 HKD
Retailer 18HK$69,305 HKD
Retailer 14HK$69,360 HKD
Retailer 10HK$82,290 HKD
Retailer 5HK$102,348 HKD
Brilliant EarthHK$173,556 HKD

34 data points across 18 retailers

22 retailersHK$29,593 HKD to HK$173,556 HKD

A
Cheapest Retailer
-
HK$29,593 HKD
£2,970 GBP
A
Retailer 2
-
HK$31,769 HKD
$4,049 USD
View
A
Retailer 3
-
HK$33,291 HKD
$4,243 USD
View
A
Retailer 4
-
HK$35,566 HKD
$4,533 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$36,845 HKD
$4,696 USD
View
Retailer 6
-
HK$36,845 HKD
$4,696 USD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
HK$36,877 HKD
$4,700 USD
View
B+
Retailer 8
-
HK$37,465 HKD
$4,775 USD
View
B+
Retailer 9
-
HK$43,486 HKD
View
B+
Retailer 10
-
HK$44,786 HKD
$5,708 USD
View
B+
Retailer 11
-
HK$46,049 HKD
$5,869 USD
View
B+
Retailer 12
-
HK$48,415 HKD
£4,859 GBP
View
B+
Retailer 13
-
HK$53,495 HKD
$6,818 USD
View
B+
Retailer 14
-
HK$57,034 HKD
ZAR 117,432 ZAR
View
B+
Retailer 15
-
HK$59,588 HKD
€7,233 EUR
View
B
Retailer 16
-
HK$69,305 HKD
$8,833 USD
View
B
Retailer 17
-
HK$69,360 HKD
A$13,600 AUD
View
B
Retailer 18
-
HK$82,290 HKD
$10,488 USD
View
B
Retailer 19
-
HK$102,348 HKD
$13,044 USD
View
B
Retailer 20
-
HK$125,998 HKD
SGD 21,701 SGD
View
B
Retailer 21
-
HK$130,836 HKD
$16,675 USD
View
Most Expensive
B
Brilliant Earth
20043300A · Nov 2
HK$173,556 HKD
$22,120 USD
View
21 more retailers have this diamond
Prices start from HK$29,593 HKDSave up to HK$143,962 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
12.03ct Heart
HK$29,593 HKD