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Cushion|Lab Grown|IGI

1.50ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG547267416

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG547267416

Diamond specifications and retailer prices

From $372 NZD
As of November 6, 2026
Save $1,693 NZD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,065 NZD at Reve Diamonds · As of November 6, 2026
View at Reve 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 LG547267416 or 547267416. Listed at 15 retailers as of November 6, 2026, with prices from $372 to $2,065, a $1,693 spread on the same certified stone. Reve Diamonds lists it at $2,065. 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 angle34.7°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547267416
Dimensions6.52 × 6.36 × 4.01 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.52 mm6.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547267416
Side View
Table 65.0%Crown 34.7°Girdle: THK-ETKPavilion 31.2°Culet: NoneDepth 63.1%

Caratlytics Score

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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: $949 NZD|Low: $372 NZD|High: $3,067 NZD|Avg: $1,064 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 4$372 NZD
Retailer 5$413 NZD
Retailer 2$559 NZD
Retailer 9$676 NZD
Retailer 8$740 NZD
Retailer 11$821 NZD
Retailer 1$949 NZD
Retailer 10$983 NZD
Retailer 3$1,014 NZD
Retailer 6$1,533 NZD
Retailer 12$1,624 NZD
Retailer 7$1,919 NZD

41 data points across 12 retailers

15 retailers$372 NZD to $2,065 NZD

A
Cheapest Retailer
-
$372 NZD
Final sale: no returns
A
Retailer 2
-
$413 NZD
View
B+
Retailer 3
-
$559 NZD
View
A
Retailer 4
-
$676 NZD
View
A
Retailer 5
-
$740 NZD
View
A
Retailer 6
-
$803 NZD
View
A
Retailer 7
-
$821 NZD
View
A
Retailer 8
-
$949 NZD
View
A
Retailer 9
-
$983 NZD
View
B+
Retailer 10
-
$1,014 NZD
View
B
Retailer 11
-
$1,425 NZD
View
B+
Retailer 12
-
$1,533 NZD
View
B
Retailer 13
-
$1,624 NZD
View
B
Retailer 14
-
$1,919 NZD
View
Most Expensive
B
Reve Diamonds
B2A6A27A2 · Nov 6
$2,065 NZD
$1,145 USD
View
14 more retailers have this diamond
Prices start from $372 NZDSave up to $1,693 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
$372 NZD