Cushion|Lab Grown|IGI

4.94ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG837605792

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837605792

Diamond specifications and retailer prices

From £582 GBP
$781 USD
As of November 1, 2026
Save £1,221 GBP (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £7,094 GBP at Brilliant Earth · As of September 21, 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 LG837605792 or 837605792. Listed at 5 retailers as of November 1, 2026, with a 210% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837605792
Dimensions12.20 × 8.78 × 5.87 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.20 mm8.78 mm4.94 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837605792
Side View
Table 62.0%Crown 34.5°Girdle: MED-THKPavilion 36.3°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: £7,094 GBP|Low: £582 GBP|High: £7,094 GBP|Avg: £2,719 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3£582 GBP
Retailer 4£799 GBP
Retailer 6£924 GBP
Retailer 2£1,803 GBP
Retailer 5£3,967 GBP
Brilliant Earth£7,094 GBP

9 data points across 6 retailers

5 retailers£582 GBP to £1,803 GBP

A
Cheapest Retailer
-
£582 GBP
$781 USD
Final sale: no returns
B+
Retailer 2
-
£799 GBP
$1,072 USD
View
B+
Retailer 3
-
£1,803 GBP
$2,420 USD
View
Retailer 4
-
£3,967 GBP
$5,324 USD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
21438579A · Sep 21
£7,094 GBP
$9,520 USD
View
Price last confirmed 42 days ago
4 more retailers have this diamond
Prices start from £582 GBPSave up to £1,221 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
£582 GBP