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Cushion|Lab Grown|IGI

1.54ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG818644815

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818644815

Diamond specifications and retailer prices

From $669 AUD
$470 USD
As of October 29, 2026
Save $3,110 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,779 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818644815 or 818644815. Listed at 18 retailers as of October 27, 2026, with prices from $669 to $3,779, a $3,110 spread on the same certified stone. Queensmith lists it at $3,779. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644815
Dimensions8.62 × 5.71 × 3.74 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizeLarge
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
8.62 mm5.71 mm1.54 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644815
Side View
Table 57.0%Crown 42.4°Girdle: MediumPavilion 40.6°Culet: LargeDepth 65.5%

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 29
Current: $3,779 AUD|Low: $669 AUD|High: $3,779 AUD|Avg: $1,922 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
October 31, 2026
Retailer 16$669 AUD
Retailer 4$749 AUD
Retailer 10$786 AUD
Retailer 7$829 AUD
Retailer 9$870 AUD
Retailer 3$1,024 AUD
Retailer 12$1,032 AUD
Retailer 17$1,113 AUD
Retailer 2$1,364 AUD
Retailer 11$1,930 AUD
Retailer 14$2,229 AUD
Retailer 8$2,633 AUD
Retailer 15$2,665 AUD
Retailer 6$2,708 AUD
Retailer 18$2,924 AUD
Retailer 13$3,050 AUD
Retailer 5$3,103 AUD
Queensmith$3,779 AUD

44 data points across 18 retailers

18 retailers$669 AUD to $3,779 AUD

A
Cheapest Retailer
-
$669 AUD
$470 USD
A
Retailer 2
-
$749 AUD
$526 USD
View
Retailer 3
-
$786 AUD
$552 USD
View
Price last confirmed 38 days ago
Final sale: no returns
A
Retailer 4
-
$829 AUD
$582 USD
View
Retailer 5
-
$870 AUD
$611 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,024 AUD
$719 USD
View
A
Retailer 7
-
$1,032 AUD
$725 USD
View
B+
Retailer 8
-
$1,113 AUD
$782 USD
View
B+
Retailer 9
-
$1,364 AUD
£754 GBP
View
B
Retailer 10
-
$1,930 AUD
View
B
Retailer 11
-
$2,229 AUD
$1,566 USD
View
B
Retailer 12
-
$2,633 AUD
SGD 2,499 SGD
View
B
Retailer 13
-
$2,665 AUD
$1,872 USD
View
B
Retailer 14
-
$2,708 AUD
$1,902 USD
View
B
Retailer 15
-
$2,924 AUD
$2,054 USD
View
B
Retailer 16
-
$3,050 AUD
£1,687 GBP
View
B
Retailer 17
-
$3,103 AUD
$2,180 USD
View
Most Expensive
B
Queensmith
LG818644815 · Oct 27
$3,779 AUD
£2,090 GBP
View
17 more retailers have this diamond
Prices start from $669 AUDSave up to $3,110 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
$669 AUD