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Cushion|Lab Grown|IGI

1.63ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG665409424

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665409424

Diamond specifications and retailer prices

From $538 NZD
$302 USD
As of October 29, 2026
Save $2,827 NZD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,365 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.63ct lab-grown cushion diamond

This 1.63ct 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 LG665409424 or 665409424. Listed at 17 retailers as of October 29, 2026, with prices from $538 to $3,365, a $2,827 spread on the same certified stone. Brilliant Earth lists it at $3,365. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle40.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409424
Dimensions7.10 × 6.92 × 4.56 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
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
7.10 mm6.92 mm1.63 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG665409424
Side View
Table 61.0%Crown 40.6°Girdle: STK-VTKPavilion 40.4°Culet: NoneDepth 65.9%

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: $3,365 NZD|Low: $534 NZD|High: $3,632 NZD|Avg: $1,498 NZD|-7.4%
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
October 30, 2026
Retailer 9$538 NZD
Retailer 14$598 NZD
Retailer 12$881 NZD
Retailer 4$992 NZD
Retailer 11$1,027 NZD
Retailer 2$1,050 NZD
Retailer 13$1,063 NZD
Retailer 15$1,072 NZD
Retailer 8$1,120 NZD
Retailer 3$1,597 NZD
Retailer 6$2,011 NZD
Retailer 7$2,229 NZD
Retailer 10$2,408 NZD
Retailer 5$2,527 NZD
Brilliant Earth$3,365 NZD

38 data points across 15 retailers

17 retailers$538 NZD to $3,365 NZD

A
Cheapest Retailer
-
$538 NZD
$302 USD
Final sale: no returns
A
Retailer 2
-
$598 NZD
$336 USD
View
A
Retailer 3
-
$881 NZD
$495 USD
View
A
Retailer 4
-
$992 NZD
$557 USD
View
A
Retailer 5
-
$1,027 NZD
ZAR 9,315 ZAR
View
A
Retailer 6
-
$1,050 NZD
£464 GBP
View
A
Retailer 7
-
$1,063 NZD
$597 USD
View
A
Retailer 8
-
$1,072 NZD
$602 USD
View
B+
Retailer 9
-
$1,120 NZD
€599 EUR
View
B+
Retailer 10
-
$1,597 NZD
$897 USD
View
B
Retailer 11
-
$1,951 NZD
$1,096 USD
View
B
Retailer 12
-
$2,011 NZD
$1,130 USD
View
Retailer 13
-
$2,069 NZD
$1,162 USD
View
Price last confirmed 101 days ago
B
Retailer 14
-
$2,229 NZD
$1,252 USD
View
B
Retailer 15
-
$2,408 NZD
£1,065 GBP
View
B
Retailer 16
-
$2,527 NZD
$1,419 USD
View
Most Expensive
B
Brilliant Earth
14744169A · Oct 29
$3,365 NZD
$1,890 USD
View
16 more retailers have this diamond
Prices start from $538 NZDSave up to $2,827 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
1.63ct Cushion
$538 NZD