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Cushion|Lab Grown|IGI

4.50ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG816609357

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816609357

Diamond specifications and retailer prices

From £592 GBP
As of November 1, 2026
Save £1,942 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,534 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 4.5ct lab-grown cushion diamond

This 4.5ct 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 LG816609357 or 816609357. Listed at 12 retailers as of October 29, 2026, with prices from £592 to £2,534, a £1,942 spread on the same certified stone. MOH London lists it at £2,534. 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

4.50
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816609357
Dimensions11.53 × 8.37 × 5.60 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.53 mm8.37 mm4.50 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816609357
Side View
Table 65.0%Crown 32.4°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,534 GBP|Low: £592 GBP|High: £2,551 GBP|Avg: £1,467 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2£592 GBP
Retailer 12£619 GBP
Retailer 6£772 GBP
Retailer 7£877 GBP
Retailer 3£908 GBP
Retailer 5£1,030 GBP
Retailer 8£1,340 GBP
Retailer 10£2,078 GBP
Retailer 11£2,169 GBP
Retailer 4£2,212 GBP
Retailer 9£2,302 GBP
MOH London£2,534 GBP

35 data points across 12 retailers

12 retailers£592 GBP to £2,534 GBP

A
Cheapest Retailer
-
£592 GBP
A
Retailer 2
-
£619 GBP
$829 USD
View
Final sale: no returns
A
Retailer 3
-
£772 GBP
$1,035 USD
View
B+
Retailer 4
-
£877 GBP
$1,175 USD
View
A
Retailer 5
-
£908 GBP
$1,217 USD
View
A
Retailer 6
-
£1,030 GBP
View
A
Retailer 7
-
£1,340 GBP
$1,795 USD
View
B+
Retailer 8
-
£2,078 GBP
$2,785 USD
View
B+
Retailer 9
-
£2,169 GBP
$2,906 USD
View
B+
Retailer 10
-
£2,212 GBP
$2,964 USD
View
Retailer 11
-
£2,302 GBP
$3,085 USD
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
LG816609357 · Oct 29
£2,534 GBP
View
11 more retailers have this diamond
Prices start from £592 GBPSave up to £1,942 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
4.50ct Cushion
£592 GBP