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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 $699 AUD
$491 USD
As of October 30, 2026
Save $2,181 AUD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,374 AUD 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,374 AUD|Low: $699 AUD|High: $3,424 AUD|Avg: $1,686 AUD|-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$699 AUD
Retailer 11$776 AUD
Retailer 9$1,103 AUD
Retailer 3$1,118 AUD
Retailer 6$1,220 AUD
Retailer 2$1,251 AUD
Retailer 5$1,283 AUD
Retailer 8$1,334 AUD
Retailer 12$2,467 AUD
Retailer 7$2,867 AUD
Retailer 10$2,880 AUD
Rare Carat$3,374 AUD

44 data points across 12 retailers

16 retailers$699 AUD to $2,880 AUD

A
Cheapest Retailer
-
$699 AUD
$491 USD
Final sale: no returns
A
Retailer 2
-
$776 AUD
$545 USD
View
A
Retailer 3
-
$856 AUD
HK$4,700 HKD
View
A
Retailer 4
-
$1,103 AUD
$775 USD
View
A
Retailer 5
-
$1,118 AUD
$785 USD
View
A
Retailer 6
-
$1,220 AUD
$857 USD
View
A
Retailer 7
-
$1,251 AUD
€837 EUR
View
A
Retailer 8
-
$1,283 AUD
£709 GBP
View
A
Retailer 9
-
$1,334 AUD
ZAR 15,140 ZAR
View
A
Retailer 10
-
$1,567 AUD
$1,101 USD
View
B+
Retailer 11
-
$2,467 AUD
SGD 2,342 SGD
View
B+
Retailer 12
-
$2,543 AUD
$1,786 USD
View
B+
Retailer 13
-
$2,789 AUD
$1,959 USD
View
B+
Retailer 14
-
$2,867 AUD
£1,586 GBP
View
B+
Retailer 15
-
$2,880 AUD
$2,023 USD
View
Most Expensive
Rare Carat
240-895A · Oct 21
$3,374 AUD
$2,370 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $699 AUDSave up to $2,181 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
$699 AUD