CaratHunter
Plans
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 $497 NZD
$280 USD
As of November 1, 2026
Save $1,166 NZD (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,663 NZD at MOH London · As of November 1, 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 November 1, 2026, with prices from $497 to $1,663, a $1,166 spread on the same certified stone. MOH London lists it at $1,663. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,663 NZD|Low: $497 NZD|High: $1,672 NZD|Avg: $1,078 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4$497 NZD
Retailer 2$1,240 NZD
Retailer 3$1,241 NZD
MOH London$1,663 NZD

5 data points across 4 retailers

4 retailers$497 NZD to $1,663 NZD

B+
Cheapest Retailer
-
$497 NZD
$280 USD
B+
Retailer 2
-
$1,240 NZD
$699 USD
View
B+
Retailer 3
-
$1,241 NZD
$700 USD
View
Most Expensive
B+
MOH London
LG842644148 · Nov 1
$1,663 NZD
£738 GBP
View
3 more retailers have this diamond
Prices start from $497 NZDSave up to $1,166 NZD

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
$497 NZD