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Cushion|Lab Grown|IGI

1.54ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG744521936

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG744521936

Diamond specifications and retailer prices

From $747 NZD
As of November 4, 2026
Save $4,415 NZD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,162 NZD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744521936 or 744521936. Listed at 21 retailers as of November 3, 2026, with prices from $747 to $5,162, a $4,415 spread on the same certified stone. Brilliant Earth lists it at $5,162. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744521936
Dimensions6.39 × 6.39 × 4.27 mm
L/W Ratio1.00
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
6.39 mm6.39 mm1.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744521936
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 35°Culet: NoneDepth 66.8%

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 4
Current: $5,162 NZD|Low: $747 NZD|High: $7,415 NZD|Avg: $2,704 NZD|-28.3%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 11$747 NZD
Retailer 3$828 NZD
Retailer 18$985 NZD
Retailer 5$1,267 NZD
Retailer 6$1,323 NZD
Retailer 16$1,329 NZD
Retailer 15$1,430 NZD
Retailer 2$1,474 NZD
Retailer 4$1,902 NZD
Retailer 13$1,934 NZD
Retailer 14$2,095 NZD
Retailer 10$2,734 NZD
Retailer 8$3,105 NZD
Retailer 7$3,119 NZD
Retailer 9$3,216 NZD
Retailer 12$3,230 NZD
Retailer 17$4,387 NZD
Retailer 19$4,701 NZD
Brilliant Earth$5,162 NZD

39 data points across 19 retailers

21 retailers$747 NZD to $5,162 NZD

A
Cheapest Retailer
-
$747 NZD
Final sale: no returns
Retailer 2
-
$828 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$985 NZD
View
A
Retailer 4
-
$1,267 NZD
View
A
Retailer 5
-
$1,323 NZD
View
A
Retailer 6
-
$1,329 NZD
View
A
Retailer 7
-
$1,430 NZD
View
A
Retailer 8
-
$1,474 NZD
View
A
Retailer 9
-
$1,902 NZD
View
A
Retailer 10
-
$1,934 NZD
View
A
Retailer 11
-
$2,095 NZD
View
B+
Retailer 12
-
$2,734 NZD
View
B+
Retailer 13
-
$2,893 NZD
View
B+
Retailer 14
-
$3,105 NZD
View
B+
Retailer 15
-
$3,119 NZD
View
B+
Retailer 16
-
$3,216 NZD
View
B+
Retailer 17
-
$3,230 NZD
View
B+
Retailer 18
-
$3,434 NZD
View
B
Retailer 19
-
$4,387 NZD
View
Retailer 20
-
$4,701 NZD
View
Price last confirmed 17 days ago
Most Expensive
B
Brilliant Earth
17569913A · Nov 3
$5,162 NZD
$2,910 USD
View
20 more retailers have this diamond
Prices start from $747 NZDSave up to $4,415 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
1.54ct Cushion
$747 NZD