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Cushion|Lab Grown|IGI

4.94ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG822635957

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG822635957

Diamond specifications and retailer prices

From £650 GBP
As of October 30, 2026
Save £6,250 GBP (91%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,900 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.94ct lab-grown cushion diamond

This 4.94ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG822635957 or 822635957. Listed at 15 retailers as of October 30, 2026, with prices from £650 to £6,900, a £6,250 spread on the same certified stone. Brilliant Earth lists it at £6,900. 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

4.94
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822635957
Dimensions10.15 × 9.92 × 6.54 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.15 mm9.92 mm4.94 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822635957
Side View
Table 62.0%Crown 35°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 65.9%

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: £6,900 GBP|Low: £538 GBP|High: £6,900 GBP|Avg: £1,702 GBP|+10.1%
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
October 31, 2026
Retailer 7£538 GBP
Retailer 9£650 GBP
Retailer 5£773 GBP
Retailer 11£790 GBP
Retailer 15£807 GBP
Retailer 3£929 GBP
Retailer 2£1,102 GBP
Retailer 16£1,223 GBP
Retailer 6£1,474 GBP
Retailer 8£1,701 GBP
Retailer 10£1,820 GBP
Retailer 12£2,739 GBP
Retailer 4£3,210 GBP
Retailer 14£3,969 GBP
Retailer 13£5,037 GBP
Brilliant Earth£6,900 GBP

15 data points across 16 retailers

15 retailers£650 GBP to £6,900 GBP

A
Cheapest Retailer
-
£650 GBP
Retailer 2
-
£773 GBP
$1,037 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
£790 GBP
$1,060 USD
View
A
Retailer 4
-
£807 GBP
$1,083 USD
View
B+
Retailer 5
-
£929 GBP
$1,246 USD
View
A
Retailer 6
-
£1,102 GBP
€1,409 EUR
View
A
Retailer 7
-
£1,223 GBP
$1,641 USD
View
A
Retailer 8
-
£1,474 GBP
$1,978 USD
View
Retailer 9
-
£1,701 GBP
$2,283 USD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
£1,820 GBP
CA$3,392 CAD
View
B
Retailer 11
-
£2,739 GBP
View
B
Retailer 12
-
£3,210 GBP
$4,308 USD
View
B
Retailer 13
-
£3,969 GBP
$5,327 USD
View
B
Retailer 14
-
£5,037 GBP
$6,760 USD
View
Most Expensive
B
Brilliant Earth
22268019A · Nov 2
£6,900 GBP
$9,260 USD
View
14 more retailers have this diamond
Prices start from £650 GBPSave up to £6,250 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
4.94ct Cushion
£650 GBP