Heart|Lab Grown|IGI

1.49ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG733545388

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG733545388

Diamond specifications and retailer prices

From $453 USD
As of October 28, 2026
Save $604 USD (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,057 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.49ct lab-grown heart diamond

This 1.49ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733545388 or 733545388. Listed at 5 retailers as of October 25, 2026, with prices from $453 to $1,057, a $604 spread on the same certified stone. MOH London lists it at $1,057. 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

1.49
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.2°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733545388
Dimensions6.84 × 7.93 × 4.65 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm7.93 mm1.49 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG733545388
Side View
Table 61.0%Crown 40.2°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,057 USD|Low: $444 USD|High: $1,068 USD|Avg: $628 USD|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$453 USD
Retailer 2$486 USD
Retailer 5$580 USD
Retailer 3$592 USD
MOH London$1,057 USD

29 data points across 5 retailers

5 retailers$453 USD to $1,057 USD

A
Cheapest Retailer
-
$453 USD
B+
Retailer 2
-
$486 USD
£383 GBP
View
B+
Retailer 3
-
$580 USD
View
B+
Retailer 4
-
$592 USD
View
Most Expensive
B
MOH London
LG733545388 · Oct 25
$1,057 USD
£832 GBP
View
4 more retailers have this diamond
Prices start from $453 USDSave up to $604 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
1.49ct Heart
$453 USD