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Heart|Lab Grown|IGI

1.23ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG833640983

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG833640983

Diamond specifications and retailer prices

From $470 SGD
$368 USD
As of October 30, 2026
Save $931 SGD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,401 SGD at MOH London · As of October 29, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833640983 or 833640983. Listed at 7 retailers as of October 29, 2026, with prices from $470 to $1,401, a $931 spread on the same certified stone. MOH London lists it at $1,401. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833640983
Dimensions7.47 × 6.62 × 4.32 mm
L/W Ratio1.13
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
7.47 mm6.62 mm1.23 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833640983
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 57.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,401 SGD|Low: $460 SGD|High: $1,409 SGD|Avg: $913 SGD|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5$470 SGD
Retailer 4$584 SGD
Retailer 2$646 SGD
Retailer 3$969 SGD
Retailer 6$1,171 SGD
Retailer 7$1,185 SGD
MOH London$1,401 SGD

39 data points across 7 retailers

7 retailers$470 SGD to $1,401 SGD

B+
Cheapest Retailer
-
$470 SGD
$368 USD
B+
Retailer 2
-
$584 SGD
$457 USD
View
B+
Retailer 3
-
$646 SGD
£398 GBP
View
B
Retailer 4
-
$969 SGD
A$1,166 AUD
View
B
Retailer 5
-
$1,185 SGD
$927 USD
View
B
Retailer 6
-
$1,195 SGD
$935 USD
View
Most Expensive
B
MOH London
LG833640983 · Oct 29
$1,401 SGD
£863 GBP
View
6 more retailers have this diamond
Prices start from $470 SGDSave up to $931 SGD

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+
1.23ct Heart
$470 SGD