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Cushion|Lab Grown|IGI

1.54ct F FL Cushion Lab Grown Diamond

ID • F/FL • IGI LG836616268

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG836616268

Diamond specifications and retailer prices

From $1,121 NZD
£497 GBP
As of November 2, 2026
Save $3,777 NZD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,898 NZD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

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 F colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836616268 or 836616268. Listed at 14 retailers as of November 1, 2026, with prices from $1,121 to $4,898, a $3,777 spread on the same certified stone. Helzberg Diamonds lists it at $4,898. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616268
Dimensions8.37 × 5.77 × 3.68 mm
L/W Ratio1.45
Girdle conditionFaceted
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
8.37 mm5.77 mm1.54 ctF / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616268
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 63.8%

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 2
Current: $4,898 NZD|Low: $1,121 NZD|High: $5,032 NZD|Avg: $2,591 NZD|-2.6%
Helzberg 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 2, 2026
Retailer 9$1,121 NZD
Retailer 3$1,504 NZD
Retailer 7$1,625 NZD
Retailer 12$1,644 NZD
Retailer 4$1,694 NZD
Retailer 10$1,811 NZD
Retailer 8$1,878 NZD
Retailer 5$1,966 NZD
Retailer 2$2,559 NZD
Retailer 6$3,548 NZD
Retailer 14$3,597 NZD
Retailer 13$3,805 NZD
Retailer 11$4,546 NZD
Helzberg Diamonds$4,898 NZD

15 data points across 14 retailers

14 retailers$1,121 NZD to $4,898 NZD

A
Cheapest Retailer
-
$1,121 NZD
£497 GBP
A
Retailer 2
-
$1,504 NZD
$846 USD
View
A
Retailer 3
-
$1,625 NZD
€871 EUR
View
A
Retailer 4
-
$1,644 NZD
$925 USD
View
A
Retailer 5
-
$1,694 NZD
$953 USD
View
A
Retailer 6
-
$1,811 NZD
£802 GBP
View
A
Retailer 7
-
$1,878 NZD
ZAR 17,069 ZAR
View
A
Retailer 8
-
$1,966 NZD
$1,106 USD
View
A
Retailer 9
-
$2,559 NZD
$1,440 USD
View
B+
Retailer 10
-
$3,548 NZD
$1,996 USD
View
B+
Retailer 11
-
$3,597 NZD
SGD 2,735 SGD
View
B+
Retailer 12
-
$3,805 NZD
$2,141 USD
View
B
Retailer 13
-
$4,546 NZD
£2,014 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHMIMO · Nov 1
$4,898 NZD
$2,756 USD
View
13 more retailers have this diamond
Prices start from $1,121 NZDSave up to $3,777 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
$1,121 NZD