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Heart|Lab Grown|IGI

12.23ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG629419894

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG629419894

Diamond specifications and retailer prices

From HK$45,905 HKD
£4,607 GBP
As of November 1, 2026
Save HK$152,147 HKD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$198,053 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 12.23ct lab-grown heart diamond

This 12.23ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629419894 or 629419894. Listed at 20 retailers as of October 31, 2026, with prices from HK$45,905 to HK$198,053, a HK$152,147 spread on the same certified stone. Taylor and Hart lists it at HK$198,053. 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

12.23
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629419894
Dimensions13.58 × 15.93 × 9.70 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
13.58 mm15.93 mm12.23 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629419894
Side View
Table 60.0%Crown 36.8°Girdle: STK-VTKPavilion 40.3°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$45,905 HKD|Low: HK$45,888 HKD|High: HK$159,041 HKD|Avg: HK$78,282 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
Retailer 17
Retailer 18
November 1, 2026
Retailer 1HK$45,905 HKD
Retailer 18HK$49,271 HKD
Retailer 9HK$54,261 HKD
Retailer 7HK$55,187 HKD
Retailer 4HK$56,999 HKD
Retailer 2HK$57,156 HKD
Retailer 6HK$57,156 HKD
Retailer 17HK$62,624 HKD
Retailer 3HK$66,280 HKD
Retailer 5HK$67,850 HKD
Retailer 12HK$71,111 HKD
Retailer 13HK$88,473 HKD
Retailer 10HK$90,714 HKD
Retailer 14HK$91,073 HKD
Retailer 11HK$98,506 HKD
Retailer 15HK$107,345 HKD
Retailer 16HK$109,588 HKD
Retailer 8HK$159,041 HKD

37 data points across 18 retailers

20 retailersHK$45,905 HKD to HK$198,053 HKD

B+
Cheapest Retailer
-
HK$45,905 HKD
£4,607 GBP
Retailer 2
-
HK$49,271 HKD
$6,280 USD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$51,240 HKD
$6,531 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
HK$54,261 HKD
$6,916 USD
View
B+
Retailer 5
-
HK$55,187 HKD
$7,034 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$56,999 HKD
$7,265 USD
View
Retailer 7
-
HK$57,156 HKD
$7,285 USD
View
Price last confirmed 10 days ago
Retailer 8
-
HK$57,156 HKD
$7,285 USD
View
Price last confirmed 20 days ago
B+
Retailer 9
-
HK$62,624 HKD
$7,982 USD
View
Retailer 10
-
HK$66,280 HKD
$8,448 USD
View
Price last confirmed 11 days ago
Retailer 11
-
HK$67,850 HKD
$8,648 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
HK$71,111 HKD
£7,137 GBP
View
Retailer 13
-
HK$72,685 HKD
£7,295 GBP
View
Price last confirmed 10 days ago
B
Retailer 14
-
HK$88,473 HKD
ZAR 182,174 ZAR
View
B
Retailer 15
-
HK$91,073 HKD
$11,608 USD
View
Retailer 16
-
HK$98,506 HKD
A$19,316 AUD
View
B
Retailer 17
-
HK$107,345 HKD
$13,682 USD
View
Retailer 18
-
HK$109,588 HKD
A$21,489 AUD
View
Price last confirmed 10 days ago
B
Retailer 19
-
HK$159,041 HKD
$20,271 USD
View
Most Expensive
B
Taylor and Hart
LSXFFVE · Oct 31
HK$198,053 HKD
$25,243 USD
View
19 more retailers have this diamond
Prices start from HK$45,905 HKDSave up to HK$152,147 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.

B+
12.23ct Heart
HK$45,905 HKD