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Heart|Lab Grown|IGI

12.64ct H VS1 Heart Lab Grown Diamond

ID • H/VS1 • IGI LG626417683

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG626417683

Diamond specifications and retailer prices

From HK$34,313 HKD
£3,444 GBP
As of November 1, 2026
Save HK$118,594 HKD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$152,907 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.64ct lab-grown heart diamond

This 12.64ct lab-grown heart sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG626417683 or 626417683. Listed at 16 retailers as of October 31, 2026, with prices from HK$34,313 to HK$152,907, a HK$118,594 spread on the same certified stone. Taylor and Hart lists it at HK$152,907. 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

12.64
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626417683
Dimensions16.13 × 14.53 × 9.17 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.13 mm14.53 mm12.64 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626417683
Side View
Table 60.0%Crown 37.3°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 56.9%

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 1
Current: HK$34,313 HKD|Low: HK$34,300 HKD|High: HK$118,745 HKD|Avg: HK$57,845 HKD|-1.2%
Retailer 1
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
November 1, 2026
Retailer 1HK$34,313 HKD
Retailer 15HK$36,828 HKD
Retailer 14HK$38,593 HKD
Retailer 4HK$41,245 HKD
Retailer 16HK$42,524 HKD
Retailer 6HK$42,720 HKD
Retailer 11HK$42,720 HKD
Retailer 7HK$43,332 HKD
Retailer 2HK$49,773 HKD
Retailer 12HK$53,382 HKD
Retailer 3HK$66,053 HKD
Retailer 13HK$66,084 HKD
Retailer 10HK$66,127 HKD
Retailer 9HK$69,586 HKD
Retailer 8HK$102,622 HKD
Retailer 5HK$118,745 HKD

35 data points across 16 retailers

16 retailersHK$34,313 HKD to HK$152,907 HKD

A
Cheapest Retailer
-
HK$34,313 HKD
£3,444 GBP
A
Retailer 2
-
HK$36,828 HKD
$4,694 USD
View
A
Retailer 3
-
HK$38,593 HKD
$4,919 USD
View
A
Retailer 4
-
HK$41,245 HKD
$5,257 USD
View
Final sale: no returns
A
Retailer 5
-
HK$42,524 HKD
$5,420 USD
View
A
Retailer 6
-
HK$42,720 HKD
$5,445 USD
View
Retailer 7
-
HK$42,720 HKD
$5,445 USD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
HK$43,332 HKD
$5,523 USD
View
B+
Retailer 9
-
HK$49,773 HKD
$6,344 USD
View
B+
Retailer 10
-
HK$53,382 HKD
$6,804 USD
View
B
Retailer 11
-
HK$66,053 HKD
$8,419 USD
View
B+
Retailer 12
-
HK$66,084 HKD
$8,423 USD
View
B+
Retailer 13
-
HK$66,127 HKD
ZAR 136,162 ZAR
View
B
Retailer 14
-
HK$69,586 HKD
€8,447 EUR
View
B
Retailer 15
-
HK$118,745 HKD
$15,135 USD
View
Most Expensive
B
Taylor and Hart
O2A74YH · Oct 31
HK$152,907 HKD
$19,489 USD
View
15 more retailers have this diamond
Prices start from HK$34,313 HKDSave up to HK$118,594 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
12.64ct Heart
HK$34,313 HKD