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Heart|Lab Grown|IGI

1.23ct D VS2 Heart Lab Grown Diamond

ID • D/VS2 • IGI LG818621395

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818621395

Diamond specifications and retailer prices

From $529 NZD
As of November 4, 2026
Save $1,299 NZD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,827 NZD at MOH London · As of November 2, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818621395 or 818621395. Listed at 5 retailers as of November 2, 2026, with prices from $529 to $1,827, a $1,299 spread on the same certified stone. MOH London lists it at $1,827. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818621395
Dimensions7.38 × 6.44 × 4.40 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm6.44 mm1.23 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818621395
Side View
Table 60.0%Crown 32.6°Girdle: STK-THKPavilion 41°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,827 NZD|Low: $529 NZD|High: $1,850 NZD|Avg: $1,043 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$529 NZD
Retailer 2$694 NZD
Retailer 3$809 NZD
Retailer 4$1,352 NZD
MOH London$1,827 NZD

41 data points across 5 retailers

5 retailers$529 NZD to $1,827 NZD

B+
Cheapest Retailer
-
$529 NZD
A
Retailer 2
-
$694 NZD
View
B+
Retailer 3
-
$809 NZD
View
B
Retailer 4
-
$1,352 NZD
View
Most Expensive
B
MOH London
LG818621395 · Nov 2
$1,827 NZD
£811 GBP
View
4 more retailers have this diamond
Prices start from $529 NZDSave up to $1,299 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.

A
1.23ct Heart
$529 NZD