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Cushion|Lab Grown|IGI

1.63ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG647479173

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG647479173

Diamond specifications and retailer prices

From £176 GBP
$235 USD
As of October 28, 2026
Save £905 GBP (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,081 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 LG647479173 or 647479173. Listed at 15 retailers as of October 28, 2026, with prices from £176 to £1,081, a £905 spread on the same certified stone. Brilliant Earth lists it at £1,081. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647479173
Dimensions8.06 × 5.96 × 4.16 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm5.96 mm1.63 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647479173
Side View
Table 62.0%Crown 39.7°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 69.8%

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 28
Current: £1,081 GBP|Low: £125 GBP|High: £1,171 GBP|Avg: £576 GBP|-7.7%
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
October 29, 2026
Retailer 9£176 GBP
Retailer 13£293 GBP
Retailer 6£298 GBP
Retailer 4£345 GBP
Retailer 7£350 GBP
Retailer 2£409 GBP
Retailer 3£448 GBP
Retailer 11£567 GBP
Retailer 12£718 GBP
Retailer 10£803 GBP
Retailer 14£856 GBP
Retailer 8£870 GBP
Retailer 5£922 GBP
Brilliant Earth£1,081 GBP

41 data points across 14 retailers

15 retailers£176 GBP to £1,081 GBP

A
Cheapest Retailer
-
£176 GBP
$235 USD
Final sale: no returns
B+
Retailer 2
-
£293 GBP
$390 USD
View
A
Retailer 3
-
£298 GBP
HK$3,100 HKD
View
A
Retailer 4
-
£345 GBP
$459 USD
View
A
Retailer 5
-
£350 GBP
€444 EUR
View
A
Retailer 6
-
£409 GBP
View
A
Retailer 7
-
£448 GBP
$596 USD
View
B+
Retailer 8
-
£567 GBP
$755 USD
View
B+
Retailer 9
-
£718 GBP
$956 USD
View
B+
Retailer 10
-
£803 GBP
$1,070 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
£825 GBP
$1,099 USD
View
B
Retailer 12
-
£856 GBP
SGD 1,540 SGD
View
B+
Retailer 13
-
£870 GBP
View
B
Retailer 14
-
£922 GBP
$1,228 USD
View
Most Expensive
B
Brilliant Earth
13185356Y · Oct 29
£1,081 GBP
$1,440 USD
View
14 more retailers have this diamond
Prices start from £176 GBPSave up to £905 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
£176 GBP