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Cushion|Lab Grown|IGI

4.57ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG787602393

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787602393

Diamond specifications and retailer prices

From £669 GBP
As of October 30, 2026
Save £4,802 GBP (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,471 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.57ct lab-grown cushion diamond

This 4.57ct 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 LG787602393 or 787602393. Listed at 12 retailers as of October 30, 2026, with prices from £669 to £5,471, a £4,802 spread on the same certified stone. Brilliant Earth lists it at £5,471. 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

4.57
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787602393
Dimensions10.57 × 9.79 × 6.13 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm9.79 mm4.57 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787602393
Side View
Table 62.0%Crown 34°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
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 30
Current: £5,471 GBP|Low: £669 GBP|High: £5,471 GBP|Avg: £1,811 GBP
Brilliant Earth
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
Retailer 16
November 1, 2026
Retailer 12£669 GBP
Retailer 11£787 GBP
Retailer 2£921 GBP
Retailer 15£925 GBP
Retailer 8£1,008 GBP
Retailer 14£1,081 GBP
Retailer 9£1,096 GBP
Retailer 4£1,786 GBP
Retailer 6£1,854 GBP
Retailer 7£1,884 GBP
Retailer 5£2,136 GBP
Retailer 10£2,364 GBP
Retailer 3£2,770 GBP
Retailer 16£3,101 GBP
Retailer 13£5,015 GBP
Brilliant Earth£5,471 GBP

15 data points across 16 retailers

12 retailers£669 GBP to £5,471 GBP

A
Cheapest Retailer
-
£669 GBP
A
Retailer 2
-
£787 GBP
$1,055 USD
View
A
Retailer 3
-
£921 GBP
$1,234 USD
View
B+
Retailer 4
-
£925 GBP
$1,239 USD
View
A
Retailer 5
-
£1,081 GBP
$1,448 USD
View
A
Retailer 6
-
£1,096 GBP
€1,399 EUR
View
B+
Retailer 7
-
£1,786 GBP
$2,393 USD
View
B+
Retailer 8
-
£2,364 GBP
A$4,873 AUD
View
Retailer 9
-
£2,770 GBP
View
Price last confirmed 14 days ago
B
Retailer 10
-
£3,101 GBP
$4,155 USD
View
B
Retailer 11
-
£5,015 GBP
$6,720 USD
View
Most Expensive
B
Brilliant Earth
21044964A · Oct 31
£5,471 GBP
$7,330 USD
View
11 more retailers have this diamond
Prices start from £669 GBPSave up to £4,802 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
4.57ct Cushion
£669 GBP