Oval|Lab Grown|IGI

4.26ct E IF Oval Lab Grown Diamond

ID • E/IF

Diamond specifications and retailer prices

From £1,753 GBP
$2,335 USD
As of October 27, 2026
Save £5,752 GBP (77%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £7,506 GBP at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 4.26ct lab-grown oval diamond

This 4.26ct 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. Listed at 8 retailers as of October 27, 2026, with prices from £1,753 to £7,506, a £5,752 spread on the same certified stone. Helzberg Diamonds lists it at £7,506. 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

4.26
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions13.28 × 9.16 × 5.61 mm
L/W Ratio1.45
Top View
13.28 mm9.16 mm4.26 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.2%

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 27
Current: £7,506 GBP|Low: £1,753 GBP|High: £7,506 GBP|Avg: £3,893 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 15, 2026
Retailer 3£1,753 GBP
Retailer 6£1,907 GBP
Retailer 4£2,034 GBP
Retailer 5£2,142 GBP
Retailer 2£2,796 GBP
Retailer 7£5,754 GBP
Helzberg Diamonds£7,506 GBP

3 data points across 7 retailers

8 retailers£1,753 GBP to £7,506 GBP

A
Cheapest Retailer
-
£1,753 GBP
$2,335 USD
A
Retailer 2
-
£1,907 GBP
$2,540 USD
View
A
Retailer 3
-
£2,034 GBP
$2,708 USD
View
A
Retailer 4
-
£2,142 GBP
$2,853 USD
View
A
Retailer 5
-
£2,796 GBP
$3,723 USD
View
B+
Retailer 6
-
£5,264 GBP
$7,010 USD
View
B+
Retailer 7
-
£5,754 GBP
$7,662 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGOJG · Oct 29
£7,506 GBP
$9,995 USD
View
7 more retailers have this diamond
Prices start from £1,753 GBPSave up to £5,752 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
4.26ct Oval
£1,753 GBP