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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 £227 GBP
$302 USD
As of October 29, 2026
Save £1,192 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,419 GBP 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 £227 to £1,419, a £1,192 spread on the same certified stone. Brilliant Earth lists it at £1,419. 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: £1,419 GBP|Low: £225 GBP|High: £1,532 GBP|Avg: £630 GBP|-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£227 GBP
Retailer 14£252 GBP
Retailer 12£372 GBP
Retailer 4£418 GBP
Retailer 11£433 GBP
Retailer 2£443 GBP
Retailer 13£448 GBP
Retailer 15£452 GBP
Retailer 8£472 GBP
Retailer 3£674 GBP
Retailer 6£848 GBP
Retailer 7£940 GBP
Retailer 10£1,016 GBP
Retailer 5£1,066 GBP
Brilliant Earth£1,419 GBP

37 data points across 15 retailers

17 retailers£227 GBP to £1,419 GBP

A
Cheapest Retailer
-
£227 GBP
$302 USD
Final sale: no returns
A
Retailer 2
-
£252 GBP
$336 USD
View
A
Retailer 3
-
£372 GBP
$495 USD
View
A
Retailer 4
-
£418 GBP
$557 USD
View
A
Retailer 5
-
£433 GBP
ZAR 9,315 ZAR
View
A
Retailer 6
-
£443 GBP
View
A
Retailer 7
-
£448 GBP
$597 USD
View
A
Retailer 8
-
£452 GBP
$602 USD
View
B+
Retailer 9
-
£472 GBP
€599 EUR
View
B
Retailer 10
-
£674 GBP
$897 USD
View
B
Retailer 11
-
£823 GBP
$1,096 USD
View
B
Retailer 12
-
£848 GBP
$1,130 USD
View
B
Retailer 13
-
£873 GBP
$1,162 USD
View
Price last confirmed 101 days ago
B
Retailer 14
-
£940 GBP
$1,252 USD
View
B
Retailer 15
-
£1,016 GBP
View
B
Retailer 16
-
£1,066 GBP
$1,419 USD
View
Most Expensive
B
Brilliant Earth
14744169A · Oct 29
£1,419 GBP
$1,890 USD
View
16 more retailers have this diamond
Prices start from £227 GBPSave up to £1,192 GBP

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
£227 GBP