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Cushion|Lab Grown|IGI

1.54ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG649471318

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG649471318

Diamond specifications and retailer prices

From $407 AUD
$286 USD
As of October 30, 2026
Save $1,543 AUD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,776 AUD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649471318 or 649471318. Listed at 18 retailers as of October 30, 2026, with a 379% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649471318
Dimensions6.74 × 6.62 × 4.38 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
6.74 mm6.62 mm1.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649471318
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,776 AUD|Low: $334 AUD|High: $3,003 AUD|Avg: $1,133 AUD|-7.6%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 7$407 AUD
Retailer 3$451 AUD
Retailer 10$510 AUD
Retailer 16$619 AUD
Retailer 11$686 AUD
Retailer 8$752 AUD
Retailer 5$769 AUD
Retailer 13$774 AUD
Retailer 2$859 AUD
Retailer 18$934 AUD
Retailer 14$1,050 AUD
Retailer 15$1,459 AUD
Retailer 6$1,522 AUD
Retailer 17$1,617 AUD
Retailer 4$1,774 AUD
Retailer 12$1,815 AUD
Retailer 9$1,950 AUD
Brilliant Earth$2,776 AUD

40 data points across 18 retailers

18 retailers$407 AUD to $1,950 AUD

A
Cheapest Retailer
-
$407 AUD
$286 USD
Final sale: no returns
Retailer 2
-
$451 AUD
$317 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$510 AUD
£282 GBP
View
Price last confirmed 20 days ago
A
Retailer 4
-
$619 AUD
$435 USD
View
A
Retailer 5
-
$686 AUD
€459 EUR
View
A
Retailer 6
-
$752 AUD
$528 USD
View
A
Retailer 7
-
$769 AUD
$540 USD
View
A
Retailer 8
-
$774 AUD
ZAR 8,786 ZAR
View
B+
Retailer 9
-
$859 AUD
£475 GBP
View
B+
Retailer 10
-
$934 AUD
$656 USD
View
B+
Retailer 11
-
$1,050 AUD
View
Retailer 12
-
$1,459 AUD
$1,025 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$1,522 AUD
$1,069 USD
View
B
Retailer 14
-
$1,617 AUD
$1,136 USD
View
B
Retailer 15
-
$1,774 AUD
$1,246 USD
View
B
Retailer 16
-
$1,815 AUD
£1,004 GBP
View
B
Retailer 17
-
$1,950 AUD
$1,370 USD
View
Most Expensive
Brilliant Earth
11632547A · Oct 18
$2,776 AUD
$1,950 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from $407 AUDSave up to $1,543 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
$407 AUD