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Oval|Lab Grown|IGI

4.02ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG843670830

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843670830

Diamond specifications and retailer prices

From £1,584 GBP
As of October 30, 2026
Save £9,214 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £10,798 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown oval diamond

This 4.02ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843670830 or 843670830. Listed at 11 retailers as of October 29, 2026, with prices from £1,584 to £10,798, a £9,214 spread on the same certified stone. Brilliant Earth lists it at £10,798. 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

4.02
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670830
Dimensions12.43 × 8.84 × 5.45 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.43 mm8.84 mm4.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670830
Side View
Table 55.0%Crown 36.6°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 61.7%

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: Oct 30
Current: £10,798 GBP|Low: £1,584 GBP|High: £11,234 GBP|Avg: £4,770 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
October 30, 2026
Retailer 2£1,584 GBP
Retailer 8£1,795 GBP
Retailer 10£2,690 GBP
Retailer 11£2,900 GBP
Retailer 4£3,100 GBP
Retailer 7£3,148 GBP
Retailer 12£4,487 GBP
Retailer 3£4,524 GBP
Retailer 5£5,173 GBP
Retailer 9£5,313 GBP
Retailer 6£10,190 GBP
Brilliant Earth£10,798 GBP

13 data points across 12 retailers

11 retailers£1,584 GBP to £10,798 GBP

A
Cheapest Retailer
-
£1,584 GBP
A
Retailer 2
-
£1,795 GBP
$2,390 USD
View
A
Retailer 3
-
£2,690 GBP
$3,582 USD
View
A
Retailer 4
-
£2,900 GBP
$3,862 USD
View
A
Retailer 5
-
£3,148 GBP
$4,192 USD
View
Retailer 6
-
£4,487 GBP
A$9,192 AUD
View
Price last confirmed 7 days ago
Retailer 7
-
£4,524 GBP
$6,025 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£5,173 GBP
View
B+
Retailer 9
-
£5,313 GBP
$7,075 USD
View
B
Retailer 10
-
£10,190 GBP
$13,570 USD
View
Most Expensive
B
Brilliant Earth
22165576Y · Oct 29
£10,798 GBP
$14,380 USD
View
10 more retailers have this diamond
Prices start from £1,584 GBPSave up to £9,214 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
4.02ct Oval
£1,584 GBP