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Cushion|Lab Grown|IGI

4.50ct F VVS2 Cushion Lab Grown Diamond

EX • F/VVS2 • IGI LG754537301

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754537301

Diamond specifications and retailer prices

From £1,256 GBP
$1,686 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: £1,256 GBP at William & Sons Jewelers
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at William & Sons Jewelers

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG754537301 or 754537301. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754537301
Dimensions11.28 × 8.66 × 5.76 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeMedium
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm8.66 mm4.50 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754537301
Side View
Table 53.0%Crown 38.8°Girdle: STK-VTKPavilion 35.6°Culet: MediumDepth 66.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £7,644 GBP|Low: £897 GBP|High: £573,480 GBP|Avg: £14,141 GBP|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
William & Sons Jewelers
September 24, 2026
William & Sons Jewelers£1,256 GBP
Retailer 4£1,735 GBP
Retailer 5£4,108 GBP
Retailer 3£4,324 GBP
Retailer 2£4,462 GBP
Retailer 6£4,507 GBP
Retailer 11£5,242 GBP
Retailer 1£7,644 GBP
Retailer 8£8,082 GBP
Retailer 12£8,279 GBP
Retailer 7£13,820 GBP
Retailer 9£19,886 GBP
Retailer 10£31,134 GBP

56 data points across 13 retailers

1 retailer

B+
William & Sons Jewelers
cert_LG754537301 · Nov 1
£1,256 GBP
$1,686 USD
View
Final sale: no returns

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.

B+
4.50ct Cushion
£1,256 GBP