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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 $900 AUD
£497 GBP
As of November 2, 2026
Save $3,033 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,933 AUD 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 $900 to $3,933, a $3,033 spread on the same certified stone. Helzberg Diamonds lists it at $3,933. 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: $3,933 AUD|Low: $900 AUD|High: $4,040 AUD|Avg: $2,080 AUD|-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 8$900 AUD
Retailer 3$1,207 AUD
Retailer 2$1,305 AUD
Retailer 12$1,320 AUD
Retailer 4$1,360 AUD
Retailer 9$1,454 AUD
Retailer 7$1,508 AUD
Retailer 5$1,578 AUD
Retailer 11$2,035 AUD
Retailer 6$2,849 AUD
Retailer 14$2,888 AUD
Retailer 13$3,055 AUD
Retailer 10$3,650 AUD
Helzberg Diamonds$3,933 AUD

15 data points across 14 retailers

14 retailers$900 AUD to $3,933 AUD

A
Cheapest Retailer
-
$900 AUD
£497 GBP
A
Retailer 2
-
$1,207 AUD
$846 USD
View
A
Retailer 3
-
$1,305 AUD
€871 EUR
View
A
Retailer 4
-
$1,320 AUD
$925 USD
View
A
Retailer 5
-
$1,360 AUD
$953 USD
View
A
Retailer 6
-
$1,454 AUD
£802 GBP
View
A
Retailer 7
-
$1,508 AUD
ZAR 17,069 ZAR
View
A
Retailer 8
-
$1,578 AUD
$1,106 USD
View
A
Retailer 9
-
$2,035 AUD
$1,426 USD
View
B+
Retailer 10
-
$2,849 AUD
$1,996 USD
View
B+
Retailer 11
-
$2,888 AUD
SGD 2,735 SGD
View
B+
Retailer 12
-
$3,055 AUD
$2,141 USD
View
B
Retailer 13
-
$3,650 AUD
£2,014 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHMIMO · Nov 1
$3,933 AUD
$2,756 USD
View
13 more retailers have this diamond
Prices start from $900 AUDSave up to $3,033 AUD

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
$900 AUD