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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 $302 USD
As of October 29, 2026
Save $1,588 USD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,890 USD 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 $302 to $1,890, a $1,588 spread on the same certified stone. Brilliant Earth lists it at $1,890. 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
Color
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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Price History

Last verified: Oct 29
Current: $1,890 USD|Low: $300 USD|High: $2,040 USD|Avg: $839 USD|-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 9$302 USD
Retailer 14$336 USD
Retailer 12$495 USD
Retailer 4$557 USD
Retailer 11$577 USD
Retailer 2$590 USD
Retailer 13$597 USD
Retailer 15$602 USD
Retailer 8$629 USD
Retailer 3$897 USD
Retailer 6$1,130 USD
Retailer 7$1,252 USD
Retailer 10$1,353 USD
Retailer 5$1,419 USD
Brilliant Earth$1,890 USD

37 data points across 15 retailers

17 retailers$302 USD to $1,890 USD

A
Cheapest Retailer
-
$302 USD
Final sale: no returns
A
Retailer 2
-
$336 USD
View
A
Retailer 3
-
$495 USD
View
A
Retailer 4
-
$557 USD
View
A
Retailer 5
-
$577 USD
ZAR 9,315 ZAR
View
A
Retailer 6
-
$590 USD
£464 GBP
View
A
Retailer 7
-
$597 USD
View
A
Retailer 8
-
$602 USD
View
B+
Retailer 9
-
$629 USD
€599 EUR
View
B
Retailer 10
-
$897 USD
View
B
Retailer 11
-
$1,096 USD
View
B
Retailer 12
-
$1,130 USD
View
B
Retailer 13
-
$1,162 USD
View
Price last confirmed 100 days ago
B
Retailer 14
-
$1,252 USD
View
B
Retailer 15
-
$1,353 USD
£1,065 GBP
View
B
Retailer 16
-
$1,419 USD
View
Most Expensive
B
Brilliant Earth
14744169A · Oct 29
$1,890 USD
View
16 more retailers have this diamond
Prices start from $302 USDSave up to $1,588 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
1.63ct Cushion
$302 USD