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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 $628 SGD
$491 USD
As of October 30, 2026
Save $1,959 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,030 SGD 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 30, 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
Colour
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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Price History

Last verified: Oct 30
Current: $3,030 SGD|Low: $628 SGD|High: $3,075 SGD|Avg: $1,514 SGD|-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 31, 2026
Retailer 4$628 SGD
Retailer 11$697 SGD
Retailer 9$991 SGD
Retailer 3$1,004 SGD
Retailer 5$1,096 SGD
Retailer 6$1,132 SGD
Retailer 2$1,152 SGD
Retailer 8$1,198 SGD
Retailer 12$2,216 SGD
Retailer 7$2,575 SGD
Retailer 10$2,586 SGD
Rare Carat$3,030 SGD

44 data points across 12 retailers

16 retailers$628 SGD to $2,586 SGD

A
Cheapest Retailer
-
$628 SGD
$491 USD
Final sale: no returns
A
Retailer 2
-
$697 SGD
$545 USD
View
A
Retailer 3
-
$769 SGD
HK$4,700 HKD
View
A
Retailer 4
-
$991 SGD
$775 USD
View
A
Retailer 5
-
$1,004 SGD
$785 USD
View
A
Retailer 6
-
$1,096 SGD
$857 USD
View
A
Retailer 7
-
$1,132 SGD
€843 EUR
View
A
Retailer 8
-
$1,152 SGD
£709 GBP
View
A
Retailer 9
-
$1,198 SGD
ZAR 15,140 ZAR
View
A
Retailer 10
-
$1,408 SGD
$1,101 USD
View
B+
Retailer 11
-
$2,216 SGD
View
B+
Retailer 12
-
$2,284 SGD
$1,786 USD
View
B+
Retailer 13
-
$2,504 SGD
$1,959 USD
View
B+
Retailer 14
-
$2,575 SGD
£1,586 GBP
View
B+
Retailer 15
-
$2,586 SGD
$2,023 USD
View
Most Expensive
Rare Carat
240-895A · Oct 21
$3,030 SGD
$2,370 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $628 SGDSave up to $1,959 SGD

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
$628 SGD