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Oval|Lab Grown|IGI

4.01ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG836627786

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG836627786

Diamond specifications and retailer prices

From £351 GBP
As of October 30, 2026
Save £1,862 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,213 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.01ct lab-grown oval diamond

This 4.01ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG836627786 or 836627786. Listed at 14 retailers as of October 30, 2026, with prices from £351 to £2,213, a £1,862 spread on the same certified stone. Brilliant Earth lists it at £2,213. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.01
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836627786
Dimensions12.51 × 8.83 × 5.48 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.51 mm8.83 mm4.01 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836627786
Side View
Table 61.0%Crown 35.6°Girdle: THK-VTKPavilion 39.3°Culet: NoneDepth 62.1%

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: £2,213 GBP|Low: £351 GBP|High: £4,344 GBP|Avg: £1,300 GBP|-49.1%
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
October 31, 2026
Retailer 10£351 GBP
Retailer 8£367 GBP
Retailer 12£514 GBP
Retailer 3£545 GBP
Retailer 2£578 GBP
Retailer 11£671 GBP
Retailer 4£838 GBP
Retailer 9£1,092 GBP
Retailer 14£1,291 GBP
Retailer 7£1,306 GBP
Retailer 5£1,331 GBP
Retailer 13£1,500 GBP
Retailer 6£1,610 GBP
Brilliant Earth£2,213 GBP

40 data points across 14 retailers

14 retailers£351 GBP to £2,213 GBP

A
Cheapest Retailer
-
£351 GBP
A
Retailer 2
-
£367 GBP
$492 USD
View
A
Retailer 3
-
£514 GBP
$690 USD
View
B+
Retailer 4
-
£545 GBP
$732 USD
View
A
Retailer 5
-
£578 GBP
€739 EUR
View
A
Retailer 6
-
£671 GBP
View
B+
Retailer 7
-
£838 GBP
$1,124 USD
View
B+
Retailer 8
-
£1,092 GBP
$1,465 USD
View
B
Retailer 9
-
£1,291 GBP
SGD 2,342 SGD
View
B
Retailer 10
-
£1,306 GBP
$1,752 USD
View
B
Retailer 11
-
£1,331 GBP
$1,786 USD
View
B
Retailer 12
-
£1,500 GBP
View
Retailer 13
-
£1,610 GBP
$2,160 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
22374603A · Oct 31
£2,213 GBP
$2,970 USD
View
13 more retailers have this diamond
Prices start from £351 GBPSave up to £1,862 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
4.01ct Oval
£351 GBP