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Heart|Lab Grown|IGI

1.50ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG783614271

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG783614271

Diamond specifications and retailer prices

From $643 AUD
As of November 6, 2026
Save $1,092 AUD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,736 AUD at MOH London · As of November 2, 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 LG783614271 or 783614271. Listed at 5 retailers as of November 2, 2026, with prices from $643 to $1,736, a $1,092 spread on the same certified stone. MOH London lists it at $1,736. 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 angle37.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783614271
Dimensions7.72 × 7.27 × 4.66 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.72 mm7.27 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783614271
Side View
Table 64.0%Crown 37.9°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 60.4%

Caratlytics Score

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

Last verified: Nov 6
Current: $1,736 AUD|Low: $607 AUD|High: $1,756 AUD|Avg: $999 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 7, 2026
Retailer 3$643 AUD
Retailer 4$669 AUD
Retailer 2$677 AUD
Retailer 5$1,271 AUD
MOH London$1,736 AUD

38 data points across 5 retailers

5 retailers$643 AUD to $1,736 AUD

B+
Cheapest Retailer
-
$643 AUD
A
Retailer 2
-
$669 AUD
View
A
Retailer 3
-
$677 AUD
View
B
Retailer 4
-
$1,271 AUD
View
Most Expensive
B
MOH London
LG783614271 · Nov 2
$1,736 AUD
£939 GBP
View
4 more retailers have this diamond
Prices start from $643 AUDSave up to $1,092 AUD

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
$643 AUD