Heart|Lab Grown|IGI

12.33ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG602390181

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG602390181

Diamond specifications and retailer prices

From HK$40,280 HKD
$5,134 USD
As of November 1, 2026
Save HK$108,866 HKD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$149,146 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.33ct lab-grown heart diamond

This 12.33ct 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 LG602390181 or 602390181. Listed at 16 retailers as of October 31, 2026, with prices from HK$40,280 to HK$149,146, a HK$108,866 spread on the same certified stone. Taylor and Hart lists it at HK$149,146. 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

12.33
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602390181
Dimensions14.00 × 15.89 × 9.24 mm
L/W Ratio1.14
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
14.00 mm15.89 mm12.33 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602390181
Side View
Table 63.0%Crown 37.6°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 58.1%

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$78,964 HKD|Low: HK$34,529 HKD|High: HK$149,146 HKD|Avg: HK$63,389 HKD|-0.2%
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
Taylor and Hart
November 1, 2026
Retailer 12HK$35,965 HKD
Retailer 2HK$37,691 HKD
Retailer 4HK$40,280 HKD
Retailer 10HK$41,465 HKD
Retailer 13HK$41,723 HKD
Retailer 3HK$42,367 HKD
Retailer 11HK$49,483 HKD
Retailer 15HK$52,135 HKD
Retailer 7HK$52,799 HKD
Retailer 9HK$63,197 HKD
Retailer 14HK$64,523 HKD
Retailer 8HK$64,577 HKD
Retailer 6HK$66,810 HKD
Retailer 1HK$78,964 HKD
Retailer 5HK$115,951 HKD
Taylor and HartHK$149,146 HKD

22 data points across 16 retailers

16 retailersHK$40,280 HKD to HK$149,146 HKD

Retailer 1
-
HK$35,965 HKD
$4,584 USD
Price last confirmed 11 days ago
Retailer 2
-
HK$37,691 HKD
$4,804 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
HK$40,280 HKD
$5,134 USD
View
Final sale: no returns
A
Retailer 4
-
HK$41,465 HKD
$5,285 USD
View
Retailer 5
-
HK$41,723 HKD
$5,318 USD
View
Price last confirmed 11 days ago
Retailer 6
-
HK$41,723 HKD
$5,318 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
HK$42,367 HKD
$5,400 USD
View
B+
Retailer 8
-
HK$49,483 HKD
$6,307 USD
View
Retailer 9
-
HK$52,135 HKD
$6,645 USD
View
Price last confirmed 11 days ago
Retailer 10
-
HK$56,418 HKD
$7,191 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
HK$63,197 HKD
$8,055 USD
View
B
Retailer 12
-
HK$64,523 HKD
$8,224 USD
View
B+
Retailer 13
-
HK$64,577 HKD
ZAR 132,971 ZAR
View
B
Retailer 14
-
HK$78,964 HKD
A$15,484 AUD
View
B
Retailer 15
-
HK$115,951 HKD
$14,779 USD
View
Most Expensive
B
Taylor and Hart
6ZMYRM5 · Oct 31
HK$149,146 HKD
$19,010 USD
View
15 more retailers have this diamond
Prices start from HK$40,280 HKDSave up to HK$108,866 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
12.33ct Heart
HK$40,280 HKD