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 $368 USD
As of October 30, 2026
Save $728 USD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,096 USD 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 $368 to $1,096, a $728 spread on the same certified stone. MOH London lists it at $1,096. 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
Color
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: $1,096 USD|Low: $360 USD|High: $1,102 USD|Avg: $714 USD|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5$368 USD
Retailer 4$457 USD
Retailer 2$504 USD
Retailer 3$758 USD
Retailer 6$916 USD
Retailer 7$927 USD
MOH London$1,096 USD

38 data points across 7 retailers

7 retailers$368 USD to $1,096 USD

B+
Cheapest Retailer
-
$368 USD
B+
Retailer 2
-
$457 USD
View
B+
Retailer 3
-
$504 USD
£397 GBP
View
B
Retailer 4
-
$758 USD
A$1,166 AUD
View
B
Retailer 5
-
$927 USD
View
B
Retailer 6
-
$935 USD
View
Most Expensive
B
MOH London
LG833640983 · Oct 29
$1,096 USD
£863 GBP
View
6 more retailers have this diamond
Prices start from $368 USDSave up to $728 USD

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
$368 USD