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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 $417 NZD
As of November 6, 2026
Save $3,588 NZD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,005 NZD at Do Amore Diamonds · As of November 6, 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 November 6, 2026, with prices from $417 to $4,005, a $3,588 spread on the same certified stone. Do Amore Diamonds lists it at $4,005. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,005 NZD|Low: $417 NZD|High: $5,015 NZD|Avg: $1,567 NZD|-20.1%
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
Retailer 14
November 6, 2026
Retailer 11$417 NZD
Retailer 13$483 NZD
Retailer 14$518 NZD
Retailer 4$642 NZD
Retailer 5$691 NZD
Retailer 6$700 NZD
Retailer 2$725 NZD
Retailer 12$970 NZD
Retailer 7$1,073 NZD
Retailer 9$1,191 NZD
Retailer 10$1,669 NZD
Retailer 3$1,835 NZD
Retailer 8$2,280 NZD
Do Amore Diamonds$4,005 NZD

43 data points across 14 retailers

15 retailers$417 NZD to $4,005 NZD

A
Cheapest Retailer
-
$417 NZD
A
Retailer 2
-
$483 NZD
View
A
Retailer 3
-
$518 NZD
View
A
Retailer 4
-
$642 NZD
View
B+
Retailer 5
-
$691 NZD
View
Retailer 6
-
$700 NZD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$725 NZD
View
B+
Retailer 8
-
$970 NZD
View
Retailer 9
-
$983 NZD
View
Price last confirmed 6 days ago
B+
Retailer 10
-
$1,073 NZD
View
B+
Retailer 11
-
$1,191 NZD
View
B
Retailer 12
-
$1,669 NZD
View
B
Retailer 13
-
$1,835 NZD
View
B
Retailer 14
-
$2,280 NZD
View
Most Expensive
B
Do Amore Diamonds
27-6F0DC2DFA · Nov 6
$4,005 NZD
$2,220 USD
View
14 more retailers have this diamond
Prices start from $417 NZDSave up to $3,588 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
$417 NZD