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Round|Lab Grown|IGI

1.23ct J VVS1 Round Lab Grown Diamond

ID • J/VVS1 • IGI LG842644148

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842644148

Diamond specifications and retailer prices

From $392 CAD
$280 USD
As of October 30, 2026
Save $922 CAD (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,314 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842644148 or 842644148. Listed at 4 retailers as of October 26, 2026, with prices from $392 to $1,314, a $922 spread on the same certified stone. MOH London lists it at $1,314. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
J
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842644148
Dimensions7.02 × 4.16 × 6.99 mm
L/W Ratio1.69
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 Light Blue
Top View
7.02 mm4.16 mm1.23 ctJ / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842644148
Side View
Table 58.0%Crown 33°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,314 CAD|Low: $392 CAD|High: $1,319 CAD|Avg: $827 CAD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 25, 2026
Retailer 4$392 CAD
Retailer 2$978 CAD
Retailer 3$979 CAD
MOH London$1,314 CAD

4 data points across 4 retailers

4 retailers$392 CAD to $1,314 CAD

B+
Cheapest Retailer
-
$392 CAD
$280 USD
B+
Retailer 2
-
$978 CAD
$699 USD
View
B+
Retailer 3
-
$979 CAD
$700 USD
View
Most Expensive
B+
MOH London
LG842644148 · Oct 26
$1,314 CAD
£739 GBP
View
3 more retailers have this diamond
Prices start from $392 CADSave up to $922 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 Round
$392 CAD