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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 $470 USD
As of October 27, 2026
Save $2,184 USD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,654 USD 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 $470 to $2,654, a $2,184 spread on the same certified stone. Queensmith lists it at $2,654. 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
Color
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 27
Current: $2,654 USD|Low: $470 USD|High: $2,654 USD|Avg: $1,354 USD
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
October 29, 2026
Retailer 15$470 USD
Retailer 3$526 USD
Retailer 10$552 USD
Retailer 7$582 USD
Retailer 9$611 USD
Retailer 18$719 USD
Retailer 11$725 USD
Retailer 16$782 USD
Retailer 2$963 USD
Retailer 4$1,366 USD
Retailer 13$1,566 USD
Retailer 8$1,849 USD
Retailer 14$1,872 USD
Retailer 6$1,902 USD
Retailer 17$2,054 USD
Retailer 12$2,142 USD
Retailer 5$2,180 USD
Queensmith$2,654 USD

44 data points across 18 retailers

18 retailers$470 USD to $2,654 USD

A
Cheapest Retailer
-
$470 USD
A
Retailer 2
-
$526 USD
View
A
Retailer 3
-
$552 USD
View
Price last confirmed 36 days ago
Final sale: no returns
A
Retailer 4
-
$582 USD
View
A
Retailer 5
-
$611 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$719 USD
View
A
Retailer 7
-
$725 USD
View
B+
Retailer 8
-
$782 USD
View
B+
Retailer 9
-
$963 USD
£758 GBP
View
B
Retailer 10
-
$1,366 USD
A$2,102 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$1,566 USD
View
B
Retailer 12
-
$1,849 USD
SGD 2,499 SGD
View
B
Retailer 13
-
$1,872 USD
View
B
Retailer 14
-
$1,902 USD
View
B
Retailer 15
-
$2,054 USD
View
B
Retailer 16
-
$2,142 USD
£1,687 GBP
View
B
Retailer 17
-
$2,180 USD
View
Most Expensive
B
Queensmith
LG818644815 · Oct 27
$2,654 USD
£2,090 GBP
View
17 more retailers have this diamond
Prices start from $470 USDSave up to $2,184 USD

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
$470 USD