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 $298 USD
As of October 30, 2026
Save $737 USD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,035 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 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 October 29, 2026, with prices from $298 to $1,035, a $737 spread on the same certified stone. MOH London lists it at $1,035. 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
Color
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
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Price History

Last verified: Oct 30
Current: $1,035 USD|Low: $298 USD|High: $1,043 USD|Avg: $577 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5$298 USD
Retailer 2$396 USD
Retailer 3$456 USD
Retailer 4$762 USD
MOH London$1,035 USD

41 data points across 5 retailers

5 retailers$298 USD to $1,035 USD

B+
Cheapest Retailer
-
$298 USD
A
Retailer 2
-
$396 USD
£312 GBP
View
B+
Retailer 3
-
$456 USD
View
B
Retailer 4
-
$762 USD
View
Most Expensive
B
MOH London
LG818621395 · Oct 29
$1,035 USD
£815 GBP
View
4 more retailers have this diamond
Prices start from $298 USDSave up to $737 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.

A
1.23ct Heart
$298 USD