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 $514 CAD
$368 USD
As of October 30, 2026
Save $1,017 CAD (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,531 CAD 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 $514 to $1,531, a $1,017 spread on the same certified stone. MOH London lists it at $1,531. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,531 CAD|Low: $503 CAD|High: $1,540 CAD|Avg: $998 CAD|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5$514 CAD
Retailer 4$638 CAD
Retailer 2$704 CAD
Retailer 3$1,059 CAD
Retailer 6$1,280 CAD
Retailer 7$1,295 CAD
MOH London$1,531 CAD

38 data points across 7 retailers

7 retailers$514 CAD to $1,531 CAD

B+
Cheapest Retailer
-
$514 CAD
$368 USD
B+
Retailer 2
-
$638 CAD
$457 USD
View
B+
Retailer 3
-
$704 CAD
£397 GBP
View
B
Retailer 4
-
$1,059 CAD
A$1,166 AUD
View
B
Retailer 5
-
$1,295 CAD
$927 USD
View
B
Retailer 6
-
$1,306 CAD
$935 USD
View
Most Expensive
B
MOH London
LG833640983 · Oct 29
$1,531 CAD
£863 GBP
View
6 more retailers have this diamond
Prices start from $514 CADSave up to $1,017 CAD

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
$514 CAD