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Cushion|Lab Grown|IGI

1.54ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG746517850

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

Certificate IGI LG746517850

Diamond specifications and retailer prices

From $514 AUD
As of November 3, 2026
Save $2,324 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,105 AUD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG746517850 or 746517850. Listed at 17 retailers as of November 3, 2026, with a 452% 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 angle35.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746517850
Dimensions6.66 × 6.66 × 4.37 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm6.66 mm1.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746517850
Side View
Table 63.0%Crown 35.9°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 65.6%

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 3
Current: $3,105 AUD|Low: $397 AUD|High: $3,105 AUD|Avg: $1,162 AUD
Queensmith
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
Retailer 19
November 4, 2026
Retailer 7$397 AUD
Retailer 4$441 AUD
Retailer 13$514 AUD
Retailer 11$684 AUD
Retailer 12$729 AUD
Retailer 10$739 AUD
Retailer 17$760 AUD
Retailer 3$780 AUD
Retailer 2$828 AUD
Retailer 9$915 AUD
Retailer 15$1,032 AUD
Retailer 16$1,121 AUD
Retailer 8$1,492 AUD
Retailer 19$1,598 AUD
Retailer 18$1,767 AUD
Retailer 5$1,806 AUD
Retailer 6$1,942 AUD
Retailer 14$2,838 AUD
Queensmith$3,105 AUD

31 data points across 19 retailers

17 retailers$514 AUD to $2,838 AUD

Retailer 1
-
$441 AUD
Price last confirmed 20 days ago
A
Retailer 2
-
$514 AUD
View
A
Retailer 3
-
$729 AUD
View
A
Retailer 4
-
$739 AUD
View
A
Retailer 5
-
$760 AUD
View
A
Retailer 6
-
$780 AUD
View
A
Retailer 7
-
$828 AUD
View
A
Retailer 8
-
$915 AUD
View
B+
Retailer 9
-
$1,032 AUD
View
B+
Retailer 10
-
$1,121 AUD
View
B+
Retailer 11
-
$1,492 AUD
View
B
Retailer 12
-
$1,598 AUD
View
B
Retailer 13
-
$1,767 AUD
View
B
Retailer 14
-
$1,806 AUD
View
B
Retailer 15
-
$1,942 AUD
View
B
Retailer 16
-
$2,838 AUD
View
Most Expensive
Queensmith
LG746517850 · Oct 27
$3,105 AUD
£1,680 GBP
View
Price last confirmed 10 days ago
16 more retailers have this diamond
Prices start from $514 AUDSave up to $2,324 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
$514 AUD