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Cushion|Lab Grown|IGI

1.63ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG800605860

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG800605860

Diamond specifications and retailer prices

From £234 GBP
$312 USD
As of October 28, 2026
Save £851 GBP (78%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,086 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 LG800605860 or 800605860. Listed at 23 retailers as of October 28, 2026, with prices from £234 to £1,086, a £851 spread on the same certified stone. Reve Diamonds lists it at £1,086. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800605860
Dimensions6.47 × 6.45 × 4.45 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.47 mm6.45 mm1.63 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800605860
Side View
Table 60.0%Crown 39.9°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 69.0%

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: £458 GBP|Low: £260 GBP|High: £1,054 GBP|Avg: £611 GBP|+3.2%
Retailer 1
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 15£260 GBP
Retailer 4£349 GBP
Retailer 12£349 GBP
Retailer 9£429 GBP
Retailer 11£446 GBP
Retailer 1£458 GBP
Retailer 7£460 GBP
Retailer 10£604 GBP
Retailer 2£667 GBP
Retailer 8£784 GBP
Retailer 14£826 GBP
Retailer 6£834 GBP
Retailer 5£927 GBP
Retailer 3£1,007 GBP
Retailer 13£1,042 GBP

37 data points across 15 retailers

23 retailers£234 GBP to £1,086 GBP

A
Cheapest Retailer
-
£234 GBP
$312 USD
Final sale: no returns
A
Retailer 2
-
£260 GBP
$346 USD
View
A
Retailer 3
-
£288 GBP
HK$3,000 HKD
View
B+
Retailer 4
-
£349 GBP
$465 USD
View
A
Retailer 5
-
£349 GBP
$465 USD
View
A
Retailer 6
-
£412 GBP
€522 EUR
View
A
Retailer 7
-
£429 GBP
€544 EUR
View
A
Retailer 8
-
£446 GBP
ZAR 9,603 ZAR
View
A
Retailer 9
-
£451 GBP
$600 USD
View
A
Retailer 10
-
£458 GBP
View
A
Retailer 11
-
£460 GBP
$612 USD
View
B+
Retailer 12
-
£604 GBP
A$1,238 AUD
View
B
Retailer 13
-
£667 GBP
$888 USD
View
B+
Retailer 14
-
£784 GBP
A$1,606 AUD
View
B
Retailer 15
-
£811 GBP
$1,080 USD
View
B+
Retailer 16
-
£826 GBP
$1,100 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
£834 GBP
SGD 1,501 SGD
View
B
Retailer 18
-
£873 GBP
$1,163 USD
View
B
Retailer 19
-
£927 GBP
$1,234 USD
View
B
Retailer 20
-
£999 GBP
$1,330 USD
View
B
Retailer 21
-
£1,007 GBP
View
B
Retailer 22
-
£1,042 GBP
View
Most Expensive
B
Reve Diamonds
C3D88C6A2 · Oct 28
£1,086 GBP
$1,446 USD
View
22 more retailers have this diamond
Prices start from £234 GBPSave up to £851 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
£234 GBP