CaratHunter
Plans
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 $521 NZD
As of November 6, 2026
Save $2,061 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,582 NZD 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 $521 to $2,582, a $2,061 spread on the same certified stone. MOH London lists it at $2,582. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,582 NZD|Low: $500 NZD|High: $2,994 NZD|Avg: $1,276 NZD|+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$521 NZD
Retailer 5$583 NZD
Retailer 13$604 NZD
Retailer 3$646 NZD
Retailer 10$646 NZD
Retailer 7$929 NZD
Retailer 12$1,061 NZD
Retailer 4$1,115 NZD
Retailer 2$1,127 NZD
Retailer 8$1,984 NZD
Retailer 11$2,076 NZD
Retailer 6$2,399 NZD
MOH London$2,582 NZD

43 data points across 13 retailers

14 retailers$521 NZD to $2,582 NZD

A
Cheapest Retailer
-
$521 NZD
A
Retailer 2
-
$583 NZD
View
Final sale: no returns
A
Retailer 3
-
$604 NZD
View
Retailer 4
-
$646 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$646 NZD
View
B+
Retailer 6
-
$929 NZD
View
B+
Retailer 7
-
$1,061 NZD
View
B+
Retailer 8
-
$1,115 NZD
View
B+
Retailer 9
-
$1,127 NZD
View
B
Retailer 10
-
$1,477 NZD
View
B
Retailer 11
-
$1,984 NZD
View
B
Retailer 12
-
$2,076 NZD
View
B
Retailer 13
-
$2,399 NZD
View
Most Expensive
B
MOH London
LG522254245 · Nov 5
$2,582 NZD
£1,127 GBP
View
13 more retailers have this diamond
Prices start from $521 NZDSave up to $2,061 NZD

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
$521 NZD