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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 $834 NZD
$470 USD
As of October 29, 2026
Save $3,876 NZD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,710 NZD 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 $834 to $4,710, a $3,876 spread on the same certified stone. Queensmith lists it at $4,710. 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: $4,710 NZD|Low: $834 NZD|High: $4,710 NZD|Avg: $2,401 NZD
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 30, 2026
Retailer 16$834 NZD
Retailer 4$933 NZD
Retailer 10$979 NZD
Retailer 7$1,033 NZD
Retailer 9$1,084 NZD
Retailer 3$1,276 NZD
Retailer 12$1,286 NZD
Retailer 17$1,388 NZD
Retailer 2$1,714 NZD
Retailer 11$2,406 NZD
Retailer 14$2,779 NZD
Retailer 8$3,281 NZD
Retailer 15$3,321 NZD
Retailer 6$3,375 NZD
Retailer 18$3,645 NZD
Retailer 13$3,801 NZD
Retailer 5$3,868 NZD
Queensmith$4,710 NZD

44 data points across 18 retailers

18 retailers$834 NZD to $4,710 NZD

A
Cheapest Retailer
-
$834 NZD
$470 USD
A
Retailer 2
-
$933 NZD
$526 USD
View
Retailer 3
-
$979 NZD
$552 USD
View
Price last confirmed 37 days ago
Final sale: no returns
A
Retailer 4
-
$1,033 NZD
$582 USD
View
Retailer 5
-
$1,084 NZD
$611 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,276 NZD
$719 USD
View
A
Retailer 7
-
$1,286 NZD
$725 USD
View
B+
Retailer 8
-
$1,388 NZD
$782 USD
View
B+
Retailer 9
-
$1,714 NZD
£761 GBP
View
B
Retailer 10
-
$2,406 NZD
A$2,086 AUD
View
B
Retailer 11
-
$2,779 NZD
$1,566 USD
View
B
Retailer 12
-
$3,281 NZD
SGD 2,499 SGD
View
B
Retailer 13
-
$3,321 NZD
$1,872 USD
View
B
Retailer 14
-
$3,375 NZD
$1,902 USD
View
B
Retailer 15
-
$3,645 NZD
$2,054 USD
View
B
Retailer 16
-
$3,801 NZD
£1,687 GBP
View
B
Retailer 17
-
$3,868 NZD
$2,180 USD
View
Most Expensive
B
Queensmith
LG818644815 · Oct 27
$4,710 NZD
£2,090 GBP
View
17 more retailers have this diamond
Prices start from $834 NZDSave up to $3,876 NZD

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
$834 NZD