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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG741510153

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG741510153

Diamond specifications and retailer prices

From $221 USD
As of October 30, 2026
Save $883 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,104 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 LG741510153 or 741510153. Listed at 18 retailers as of October 29, 2026, with prices from $221 to $1,104, a $883 spread on the same certified stone. MOH London lists it at $1,104. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741510153
Dimensions7.32 × 7.76 × 4.64 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.76 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741510153
Side View
Table 55.0%Crown 33.6°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.8%

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: Oct 30
Current: $1,104 USD|Low: $139 USD|High: $1,238 USD|Avg: $616 USD|-10.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5$139 USD
Retailer 3$276 USD
Retailer 10$457 USD
Retailer 9$468 USD
Retailer 6$485 USD
Retailer 2$508 USD
Retailer 11$527 USD
Retailer 4$545 USD
Retailer 7$726 USD
Retailer 13$884 USD
Retailer 12$933 USD
Retailer 8$1,070 USD
MOH London$1,104 USD

41 data points across 13 retailers

18 retailers$221 USD to $1,104 USD

A
Cheapest Retailer
-
$221 USD
A
Retailer 2
-
$256 USD
View
A
Retailer 3
-
$274 USD
View
A
Retailer 4
-
$274 USD
View
A
Retailer 5
-
$276 USD
View
Final sale: no returns
B+
Retailer 6
-
$457 USD
View
B+
Retailer 7
-
$468 USD
View
B+
Retailer 8
-
$485 USD
€462 EUR
View
B+
Retailer 9
-
$508 USD
£400 GBP
View
B+
Retailer 10
-
$527 USD
View
B+
Retailer 11
-
$545 USD
A$838 AUD
View
Retailer 12
-
$657 USD
View
Price last confirmed 16 days ago
B
Retailer 13
-
$726 USD
View
B
Retailer 14
-
$880 USD
View
B
Retailer 15
-
$884 USD
SGD 1,194 SGD
View
B
Retailer 16
-
$933 USD
View
B
Retailer 17
-
$1,070 USD
View
Most Expensive
B
MOH London
LG741510153 · Oct 29
$1,104 USD
£869 GBP
View
17 more retailers have this diamond
Prices start from $221 USDSave up to $883 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
1.50ct Heart
$221 USD