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Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG840634566

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634566

Diamond specifications and retailer prices

From HK$1,648 HKD
$210 USD
As of October 30, 2026
Save HK$6,747 HKD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$8,395 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840634566 or 840634566. Listed at 19 retailers as of October 30, 2026, with prices from HK$1,648 to HK$8,395, a HK$6,747 spread on the same certified stone. Brilliant Earth lists it at HK$8,395. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634566
Dimensions6.73 × 7.32 × 4.20 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.73 mm7.32 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634566
Side View
Table 61.0%Crown 38.2°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 57.4%

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: Oct 30
Current: HK$8,395 HKD|Low: HK$1,648 HKD|High: HK$8,469 HKD|Avg: HK$4,626 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
Retailer 19
November 1, 2026
Retailer 11HK$1,648 HKD
Retailer 5HK$1,852 HKD
Retailer 4HK$1,914 HKD
Retailer 9HK$2,048 HKD
Retailer 18HK$2,048 HKD
Retailer 14HK$2,514 HKD
Retailer 12HK$3,443 HKD
Retailer 16HK$3,518 HKD
Retailer 2HK$3,782 HKD
Retailer 19HK$3,962 HKD
Retailer 3HK$4,503 HKD
Retailer 17HK$5,003 HKD
Retailer 13HK$5,280 HKD
Retailer 8HK$6,583 HKD
Retailer 7HK$6,659 HKD
Retailer 10HK$6,983 HKD
Retailer 6HK$6,999 HKD
Retailer 15HK$8,250 HKD
Brilliant EarthHK$8,395 HKD

17 data points across 19 retailers

19 retailersHK$1,648 HKD to HK$8,395 HKD

A
Cheapest Retailer
-
HK$1,648 HKD
$210 USD
A
Retailer 2
-
HK$1,852 HKD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,914 HKD
$244 USD
View
A
Retailer 4
-
HK$2,048 HKD
$261 USD
View
A
Retailer 5
-
HK$2,048 HKD
$261 USD
View
A
Retailer 6
-
HK$2,514 HKD
£252 GBP
View
A
Retailer 7
-
HK$3,443 HKD
€418 EUR
View
A
Retailer 8
-
HK$3,518 HKD
ZAR 7,243 ZAR
View
A
Retailer 9
-
HK$3,782 HKD
£380 GBP
View
B+
Retailer 10
-
HK$3,962 HKD
$505 USD
View
B+
Retailer 11
-
HK$4,503 HKD
$574 USD
View
B+
Retailer 12
-
HK$5,003 HKD
A$981 AUD
View
B+
Retailer 13
-
HK$5,280 HKD
$673 USD
View
B
Retailer 14
-
HK$6,583 HKD
$839 USD
View
B
Retailer 15
-
HK$6,659 HKD
SGD 1,147 SGD
View
B
Retailer 16
-
HK$6,983 HKD
$890 USD
View
B
Retailer 17
-
HK$6,999 HKD
$892 USD
View
B
Retailer 18
-
HK$8,250 HKD
£828 GBP
View
Most Expensive
B
Brilliant Earth
22143047A · Oct 31
HK$8,395 HKD
$1,070 USD
View
18 more retailers have this diamond
Prices start from HK$1,648 HKDSave up to HK$6,747 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
1.23ct Heart
HK$1,648 HKD