Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG800632247

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800632247

Diamond specifications and retailer prices

From $446 USD
As of October 28, 2026
Save $599 USD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,045 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG800632247 or 800632247. Listed at 5 retailers as of October 28, 2026, with prices from $446 to $1,045, a $599 spread on the same certified stone. MOH London lists it at $1,045. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800632247
Dimensions7.62 × 7.02 × 4.62 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.62 mm7.02 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800632247
Side View
Table 57.0%Crown 36.2°Girdle: THK-VTKPavilion 38.7°Culet: NoneDepth 60.6%

Caratlytics Score

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

Last verified: Oct 28
Current: $1,045 USD|Low: $446 USD|High: $1,045 USD|Avg: $648 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 5$446 USD
Retailer 3$453 USD
Retailer 2$479 USD
Retailer 4$887 USD
MOH London$1,045 USD

17 data points across 5 retailers

5 retailers$446 USD to $1,045 USD

B+
Cheapest Retailer
-
$446 USD
B+
Retailer 2
-
$453 USD
View
B+
Retailer 3
-
$479 USD
£377 GBP
View
B
Retailer 4
-
$887 USD
View
Most Expensive
B
MOH London
LG800632247 · Oct 29
$1,045 USD
£823 GBP
View
4 more retailers have this diamond
Prices start from $446 USDSave up to $599 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.

B+
1.50ct Heart
$446 USD