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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 $430 AUD
$302 USD
As of October 29, 2026
Save $2,260 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,690 AUD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from $430 to $2,690, a $2,260 spread on the same certified stone. Brilliant Earth lists it at $2,690. 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: $2,690 AUD|Low: $427 AUD|High: $2,904 AUD|Avg: $1,194 AUD|-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 29, 2026
Retailer 8$430 AUD
Retailer 14$478 AUD
Retailer 12$705 AUD
Retailer 4$793 AUD
Retailer 10$821 AUD
Retailer 11$834 AUD
Retailer 13$850 AUD
Retailer 15$857 AUD
Retailer 2$895 AUD
Retailer 3$1,277 AUD
Retailer 6$1,608 AUD
Retailer 7$1,782 AUD
Retailer 9$1,925 AUD
Retailer 5$2,020 AUD
Brilliant Earth$2,690 AUD

38 data points across 15 retailers

17 retailers$430 AUD to $2,690 AUD

A
Cheapest Retailer
-
$430 AUD
$302 USD
Final sale: no returns
A
Retailer 2
-
$478 AUD
$336 USD
View
A
Retailer 3
-
$705 AUD
$495 USD
View
A
Retailer 4
-
$793 AUD
$557 USD
View
A
Retailer 5
-
$821 AUD
ZAR 9,315 ZAR
View
A
Retailer 6
-
$834 AUD
£461 GBP
View
A
Retailer 7
-
$850 AUD
$597 USD
View
A
Retailer 8
-
$857 AUD
$602 USD
View
B+
Retailer 9
-
$895 AUD
€599 EUR
View
B
Retailer 10
-
$1,277 AUD
$897 USD
View
B
Retailer 11
-
$1,560 AUD
$1,096 USD
View
B
Retailer 12
-
$1,608 AUD
$1,130 USD
View
B
Retailer 13
-
$1,654 AUD
$1,162 USD
View
Price last confirmed 100 days ago
B
Retailer 14
-
$1,782 AUD
$1,252 USD
View
B
Retailer 15
-
$1,925 AUD
£1,065 GBP
View
B
Retailer 16
-
$2,020 AUD
$1,419 USD
View
Most Expensive
B
Brilliant Earth
14744169A · Oct 28
$2,690 AUD
$1,890 USD
View
16 more retailers have this diamond
Prices start from $430 AUDSave up to $2,260 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
1.63ct Cushion
$430 AUD