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 $631 USD
£497 GBP
As of November 2, 2026
Save $2,125 USD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,756 USD 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 $631 to $2,756, a $2,125 spread on the same certified stone. Helzberg Diamonds lists it at $2,756. 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
Color
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: $2,756 USD|Low: $631 USD|High: $2,831 USD|Avg: $1,458 USD|-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 7$631 USD
Retailer 3$846 USD
Retailer 10$916 USD
Retailer 12$925 USD
Retailer 4$953 USD
Retailer 8$1,019 USD
Retailer 2$1,057 USD
Retailer 5$1,106 USD
Retailer 11$1,426 USD
Retailer 6$1,996 USD
Retailer 14$2,024 USD
Retailer 13$2,141 USD
Retailer 9$2,558 USD
Helzberg Diamonds$2,756 USD

15 data points across 14 retailers

14 retailers$631 USD to $2,756 USD

A
Cheapest Retailer
-
$631 USD
£497 GBP
A
Retailer 2
-
$846 USD
View
A
Retailer 3
-
$916 USD
€872 EUR
View
A
Retailer 4
-
$925 USD
View
A
Retailer 5
-
$953 USD
View
A
Retailer 6
-
$1,019 USD
£802 GBP
View
A
Retailer 7
-
$1,057 USD
ZAR 17,069 ZAR
View
A
Retailer 8
-
$1,106 USD
View
A
Retailer 9
-
$1,426 USD
View
B+
Retailer 10
-
$1,996 USD
View
B+
Retailer 11
-
$2,024 USD
SGD 2,735 SGD
View
B+
Retailer 12
-
$2,141 USD
View
B
Retailer 13
-
$2,558 USD
£2,014 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHMIMO · Nov 1
$2,756 USD
View
13 more retailers have this diamond
Prices start from $631 USDSave up to $2,125 USD

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
$631 USD