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Oval|Lab Grown|IGI

4.27ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG768630673

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG768630673

Diamond specifications and retailer prices

From £2,233 GBP
$2,992 USD
As of October 30, 2026
Save £6,626 GBP (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £8,859 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.27ct lab-grown oval diamond

This 4.27ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768630673 or 768630673. Listed at 14 retailers as of October 30, 2026, with prices from £2,233 to £8,859, a £6,626 spread on the same certified stone. Brilliant Earth lists it at £8,859. 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

4.27
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630673
Dimensions13.37 × 9.08 × 5.67 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
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
13.37 mm9.08 mm4.27 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630673
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.4%

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: £8,859 GBP|Low: £2,233 GBP|High: £12,934 GBP|Avg: £5,826 GBP|-31.5%
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
October 30, 2026
Retailer 12£2,233 GBP
Retailer 7£2,432 GBP
Retailer 14£2,608 GBP
Retailer 2£2,883 GBP
Retailer 11£3,224 GBP
Retailer 15£3,411 GBP
Retailer 8£4,546 GBP
Retailer 13£4,546 GBP
Retailer 6£5,396 GBP
Retailer 10£5,609 GBP
Retailer 3£5,702 GBP
Retailer 9£5,749 GBP
Retailer 5£7,453 GBP
Retailer 4£8,283 GBP
Brilliant Earth£8,859 GBP

40 data points across 15 retailers

14 retailers£2,233 GBP to £8,859 GBP

A
Cheapest Retailer
-
£2,233 GBP
$2,992 USD
A
Retailer 2
-
£2,608 GBP
HK$27,300 HKD
View
A
Retailer 3
-
£2,883 GBP
View
A
Retailer 4
-
£3,224 GBP
$4,320 USD
View
A
Retailer 5
-
£3,411 GBP
€4,353 EUR
View
B+
Retailer 6
-
£4,546 GBP
ZAR 98,394 ZAR
View
A
Retailer 7
-
£4,546 GBP
$6,091 USD
View
Retailer 8
-
£5,396 GBP
$7,230 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£5,609 GBP
$7,515 USD
View
B+
Retailer 10
-
£5,702 GBP
$7,640 USD
View
B+
Retailer 11
-
£5,749 GBP
View
B+
Retailer 12
-
£7,453 GBP
$9,986 USD
View
B
Retailer 13
-
£8,283 GBP
$11,098 USD
View
Most Expensive
B
Brilliant Earth
18918997A · Oct 30
£8,859 GBP
$11,870 USD
View
13 more retailers have this diamond
Prices start from £2,233 GBPSave up to £6,626 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
4.27ct Oval
£2,233 GBP