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Cushion|Lab Grown|IGI

4.54ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG821661466

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG821661466

Diamond specifications and retailer prices

From £512 GBP
As of November 1, 2026
Save £1,839 GBP (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,351 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 4.54ct lab-grown cushion diamond

This 4.54ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821661466 or 821661466. Listed at 10 retailers as of October 29, 2026, with prices from £512 to £2,351, a £1,839 spread on the same certified stone. MOH London lists it at £2,351. 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

4.54
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821661466
Dimensions10.45 × 9.78 × 6.17 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.45 mm9.78 mm4.54 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821661466
Side View
Table 61.0%Crown 33.3°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 63.1%

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: Nov 1
Current: £2,351 GBP|Low: £512 GBP|High: £2,367 GBP|Avg: £1,242 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2£512 GBP
Retailer 7£555 GBP
Retailer 4£687 GBP
Retailer 3£879 GBP
Retailer 6£907 GBP
Retailer 8£1,729 GBP
Retailer 5£1,893 GBP
MOH London£2,351 GBP

41 data points across 8 retailers

10 retailers£512 GBP to £2,351 GBP

A
Cheapest Retailer
-
£512 GBP
Retailer 2
-
£555 GBP
$744 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£687 GBP
$920 USD
View
A
Retailer 4
-
£879 GBP
View
B+
Retailer 5
-
£907 GBP
$1,215 USD
View
A
Retailer 6
-
£1,334 GBP
$1,788 USD
View
B+
Retailer 7
-
£1,729 GBP
View
B+
Retailer 8
-
£1,893 GBP
$2,537 USD
View
B+
Retailer 9
-
£1,915 GBP
$2,566 USD
View
Most Expensive
B+
MOH London
LG821661466 · Oct 29
£2,351 GBP
View
9 more retailers have this diamond
Prices start from £512 GBPSave up to £1,839 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
4.54ct Cushion
£512 GBP