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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG539217479

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG539217479

Diamond specifications and retailer prices

From $417 NZD
As of November 6, 2026
Save $3,155 NZD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,572 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion 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 LG539217479 or 539217479. Listed at 7 retailers as of November 2, 2026, with prices from $417 to $3,572, a $3,155 spread on the same certified stone. Do Amore Diamonds lists it at $3,572. 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
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539217479
Dimensions6.90 × 6.50 × 4.24 mm
L/W Ratio1.06
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
6.90 mm6.50 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539217479
Side View
Table 58.0%Crown 32.8°Girdle: MED-VTKPavilion 37.7°Culet: NoneDepth 65.2%

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: $3,572 NZD|Low: $256 NZD|High: $3,572 NZD|Avg: $1,517 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 7$417 NZD
Retailer 6$797 NZD
Retailer 10$823 NZD
Retailer 9$842 NZD
Retailer 11$990 NZD
Retailer 2$1,136 NZD
Retailer 3$1,214 NZD
Retailer 4$1,643 NZD
Retailer 5$2,047 NZD
Retailer 8$2,219 NZD
Do Amore Diamonds$3,572 NZD

12 data points across 11 retailers

7 retailers$417 NZD to $3,572 NZD

A
Cheapest Retailer
-
$417 NZD
Final sale: no returns
B+
Retailer 2
-
$797 NZD
View
B+
Retailer 3
-
$1,136 NZD
View
B+
Retailer 4
-
$1,643 NZD
View
Retailer 5
-
$2,047 NZD
View
Price last confirmed 9 days ago
B
Retailer 6
-
$2,219 NZD
View
Most Expensive
B
Do Amore Diamonds
27-C9766A81E · Nov 2
$3,572 NZD
$1,980 USD
View
6 more retailers have this diamond
Prices start from $417 NZDSave up to $3,155 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 Cushion
$417 NZD