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Cushion|Lab Grown|IGI

4.63ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG843686132

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843686132

Diamond specifications and retailer prices

From £523 GBP
$701 USD
As of October 28, 2026
Save £373 GBP (42%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,097 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 4.63ct lab-grown cushion diamond

This 4.63ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843686132 or 843686132. Listed at 3 retailers as of October 28, 2026, with a 71% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.63
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843686132
Dimensions11.77 × 8.61 × 5.72 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.77 mm8.61 mm4.63 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843686132
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 35.3°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £3,097 GBP|Low: £523 GBP|High: £3,127 GBP|Avg: £1,728 GBP|-1.0%
Rare Carat
Retailer 2
Retailer 3
October 28, 2026
Retailer 3£523 GBP
Retailer 2£896 GBP
Rare Carat£3,097 GBP

16 data points across 3 retailers

3 retailers£523 GBP to £896 GBP

A
Cheapest Retailer
-
£523 GBP
$701 USD
Final sale: no returns
A
Retailer 2
-
£896 GBP
View
Most Expensive
Rare Carat
843686132 · Oct 19
£3,097 GBP
$4,150 USD
View
Price last confirmed 13 days ago
2 more retailers have this diamond
Prices start from £523 GBPSave up to £373 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
4.63ct Cushion
£523 GBP