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Heart|Lab Grown|IGI

1.50ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG522254245

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG522254245

Diamond specifications and retailer prices

From $289 USD
As of November 6, 2026
Save $1,142 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,431 USD at MOH London · As of November 5, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522254245 or 522254245. Listed at 14 retailers as of November 5, 2026, with prices from $289 to $1,431, a $1,142 spread on the same certified stone. MOH London lists it at $1,431. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522254245
Dimensions7.89 × 7.12 × 4.58 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.89 mm7.12 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522254245
Side View
Table 60.5%Crown 36.5°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 58.0%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,431 USD|Low: $277 USD|High: $1,660 USD|Avg: $707 USD|+3.8%
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
November 6, 2026
Retailer 9$289 USD
Retailer 5$323 USD
Retailer 13$335 USD
Retailer 3$358 USD
Retailer 10$358 USD
Retailer 7$515 USD
Retailer 12$588 USD
Retailer 4$618 USD
Retailer 2$625 USD
Retailer 8$1,100 USD
Retailer 11$1,151 USD
Retailer 6$1,330 USD
MOH London$1,431 USD

44 data points across 13 retailers

14 retailers$289 USD to $1,431 USD

A
Cheapest Retailer
-
$289 USD
A
Retailer 2
-
$323 USD
View
Final sale: no returns
A
Retailer 3
-
$335 USD
View
Retailer 4
-
$358 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$358 USD
View
B+
Retailer 6
-
$515 USD
View
B+
Retailer 7
-
$588 USD
View
B+
Retailer 8
-
$618 USD
View
B+
Retailer 9
-
$625 USD
View
B
Retailer 10
-
$819 USD
View
B
Retailer 11
-
$1,100 USD
View
B
Retailer 12
-
$1,151 USD
View
B
Retailer 13
-
$1,330 USD
View
Most Expensive
B
MOH London
LG522254245 · Nov 5
$1,431 USD
£1,127 GBP
View
13 more retailers have this diamond
Prices start from $289 USDSave up to $1,142 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
$289 USD