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Cushion|Lab Grown|IGI

1.54ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG724558688

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

Certificate IGI LG724558688

Diamond specifications and retailer prices

From $491 USD
As of October 30, 2026
Save $1,532 USD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,370 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG724558688 or 724558688. Listed at 16 retailers as of October 27, 2026, with a 312% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724558688
Dimensions6.82 × 6.80 × 4.48 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
6.82 mm6.80 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG724558688
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 65.9%

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: Oct 30
Current: $2,370 USD|Low: $491 USD|High: $2,405 USD|Avg: $1,180 USD|-1.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4$491 USD
Retailer 11$545 USD
Retailer 9$775 USD
Retailer 3$785 USD
Retailer 2$857 USD
Retailer 6$885 USD
Retailer 5$901 USD
Retailer 8$937 USD
Retailer 12$1,733 USD
Retailer 7$2,014 USD
Retailer 10$2,023 USD
Rare Carat$2,370 USD

45 data points across 12 retailers

16 retailers$491 USD to $2,023 USD

A
Cheapest Retailer
-
$491 USD
Final sale: no returns
A
Retailer 2
-
$545 USD
View
A
Retailer 3
-
$602 USD
HK$4,700 HKD
View
A
Retailer 4
-
$775 USD
View
A
Retailer 5
-
$785 USD
View
A
Retailer 6
-
$857 USD
View
A
Retailer 7
-
$885 USD
€843 EUR
View
A
Retailer 8
-
$901 USD
£709 GBP
View
A
Retailer 9
-
$937 USD
ZAR 15,140 ZAR
View
A
Retailer 10
-
$1,101 USD
View
B+
Retailer 11
-
$1,733 USD
SGD 2,342 SGD
View
B+
Retailer 12
-
$1,786 USD
View
B+
Retailer 13
-
$1,959 USD
View
B+
Retailer 14
-
$2,014 USD
£1,586 GBP
View
B+
Retailer 15
-
$2,023 USD
View
Most Expensive
Rare Carat
240-895A · Oct 21
$2,370 USD
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from $491 USDSave up to $1,532 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
$491 USD