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Cushion|Lab Grown|IGI

1.63ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG700582571

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG700582571

Diamond specifications and retailer prices

From £216 GBP
$287 USD
As of October 28, 2026
Save £813 GBP (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,029 GBP at With Clarity · As of October 28, 2026
View at With Clarity

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 LG700582571 or 700582571. Listed at 20 retailers as of October 28, 2026, with prices from £216 to £1,029, a £813 spread on the same certified stone. With Clarity lists it at £1,029. 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 angle34.6°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700582571
Dimensions6.30 × 6.30 × 4.30 mm
L/W Ratio1.00
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
6.30 mm6.30 mm1.63 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700582571
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 68.3%

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: £457 GBP|Low: £216 GBP|High: £1,029 GBP|Avg: £541 GBP|+4.6%
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 7£216 GBP
Retailer 3£239 GBP
Retailer 10£281 GBP
Retailer 9£398 GBP
Retailer 5£399 GBP
Retailer 12£402 GBP
Retailer 11£411 GBP
Retailer 1£457 GBP
Retailer 6£496 GBP
Retailer 13£557 GBP
Retailer 8£784 GBP
Retailer 2£826 GBP
Retailer 4£874 GBP
Retailer 14£927 GBP
Retailer 15£959 GBP

43 data points across 15 retailers

20 retailers£216 GBP to £1,029 GBP

A
Cheapest Retailer
-
£216 GBP
$287 USD
Final sale: no returns
A
Retailer 2
-
£239 GBP
$318 USD
View
A
Retailer 3
-
£281 GBP
View
A
Retailer 4
-
£398 GBP
€505 EUR
View
A
Retailer 5
-
£399 GBP
$531 USD
View
A
Retailer 6
-
£402 GBP
$535 USD
View
A
Retailer 7
-
£411 GBP
ZAR 8,840 ZAR
View
A
Retailer 8
-
£445 GBP
$592 USD
View
A
Retailer 9
-
£457 GBP
View
A
Retailer 10
-
£496 GBP
$661 USD
View
B+
Retailer 11
-
£555 GBP
A$1,137 AUD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
£557 GBP
A$1,142 AUD
View
B+
Retailer 13
-
£784 GBP
A$1,606 AUD
View
B
Retailer 14
-
£807 GBP
$1,075 USD
View
B+
Retailer 15
-
£826 GBP
$1,100 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£874 GBP
$1,164 USD
View
B
Retailer 17
-
£927 GBP
View
B
Retailer 18
-
£941 GBP
$1,253 USD
View
B
Retailer 19
-
£959 GBP
View
Most Expensive
B
With Clarity
700582571 · Oct 28
£1,029 GBP
$1,370 USD
View
19 more retailers have this diamond
Prices start from £216 GBPSave up to £813 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
£216 GBP