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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG651443995

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG651443995

Diamond specifications and retailer prices

From $446 AUD
$313 USD
As of October 30, 2026
Save $1,948 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,958 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG651443995 or 651443995. Listed at 15 retailers as of October 29, 2026, with a 437% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651443995
Dimensions7.38 × 8.00 × 4.63 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm8.00 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG651443995
Side View
Table 61.0%Crown 32°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 57.9%

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: $3,958 AUD|Low: $427 AUD|High: $3,958 AUD|Avg: $1,255 AUD
Do Amore Diamonds
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 31, 2026
Retailer 10$446 AUD
Retailer 13$517 AUD
Retailer 6$545 AUD
Retailer 3$552 AUD
Retailer 11$552 AUD
Retailer 4$709 AUD
Retailer 7$782 AUD
Retailer 2$859 AUD
Retailer 5$1,316 AUD
Retailer 9$1,619 AUD
Retailer 12$1,959 AUD
Retailer 8$2,394 AUD
Do Amore Diamonds$3,958 AUD

44 data points across 13 retailers

15 retailers$446 AUD to $2,394 AUD

A
Cheapest Retailer
-
$446 AUD
$313 USD
A
Retailer 2
-
$517 AUD
$363 USD
View
A
Retailer 3
-
$532 AUD
$374 USD
View
B+
Retailer 4
-
$545 AUD
$383 USD
View
A
Retailer 5
-
$552 AUD
$388 USD
View
A
Retailer 6
-
$552 AUD
$388 USD
View
B+
Retailer 7
-
$709 AUD
$498 USD
View
B+
Retailer 8
-
$776 AUD
$545 USD
View
B+
Retailer 9
-
$782 AUD
£433 GBP
View
B+
Retailer 10
-
$859 AUD
£475 GBP
View
B
Retailer 11
-
$1,316 AUD
$925 USD
View
B
Retailer 12
-
$1,619 AUD
$1,137 USD
View
B
Retailer 13
-
$1,959 AUD
$1,376 USD
View
B
Retailer 14
-
$2,394 AUD
£1,324 GBP
View
Most Expensive
Do Amore Diamonds
27-6F0DC2DFA · Oct 31
$3,958 AUD
$2,780 USD
View
Price under review
14 more retailers have this diamond
Prices start from $446 AUDSave up to $1,948 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
$446 AUD