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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 $507 NZD
$286 USD
As of October 30, 2026
Save $1,923 NZD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,460 NZD 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: $3,460 NZD|Low: $417 NZD|High: $3,744 NZD|Avg: $1,421 NZD|-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 31, 2026
Retailer 7$507 NZD
Retailer 3$562 NZD
Retailer 10$636 NZD
Retailer 12$763 NZD
Retailer 2$851 NZD
Retailer 8$937 NZD
Retailer 5$958 NZD
Retailer 14$965 NZD
Retailer 11$1,071 NZD
Retailer 18$1,164 NZD
Retailer 15$1,309 NZD
Retailer 16$1,819 NZD
Retailer 6$1,897 NZD
Retailer 17$2,016 NZD
Retailer 4$2,211 NZD
Retailer 13$2,262 NZD
Retailer 9$2,431 NZD
Brilliant Earth$3,460 NZD

39 data points across 18 retailers

18 retailers$507 NZD to $2,431 NZD

A
Cheapest Retailer
-
$507 NZD
$286 USD
Final sale: no returns
Retailer 2
-
$562 NZD
$317 USD
View
Price last confirmed 19 days ago
Retailer 3
-
$636 NZD
£282 GBP
View
Price last confirmed 22 days ago
A
Retailer 4
-
$763 NZD
$430 USD
View
A
Retailer 5
-
$851 NZD
€457 EUR
View
A
Retailer 6
-
$937 NZD
$528 USD
View
A
Retailer 7
-
$958 NZD
$540 USD
View
A
Retailer 8
-
$965 NZD
ZAR 8,786 ZAR
View
B+
Retailer 9
-
$1,071 NZD
£475 GBP
View
B+
Retailer 10
-
$1,164 NZD
$656 USD
View
B+
Retailer 11
-
$1,309 NZD
A$1,135 AUD
View
Retailer 12
-
$1,819 NZD
$1,025 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
$1,897 NZD
$1,069 USD
View
B
Retailer 14
-
$2,016 NZD
$1,136 USD
View
B
Retailer 15
-
$2,211 NZD
$1,246 USD
View
B
Retailer 16
-
$2,262 NZD
£1,004 GBP
View
B
Retailer 17
-
$2,431 NZD
$1,370 USD
View
Most Expensive
Brilliant Earth
11632547A · Oct 18
$3,460 NZD
$1,950 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $507 NZDSave up to $1,923 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
$507 NZD