CaratHunter
Plans
Oval|Lab Grown|IGI

4.01ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG5221299400

Certificate IGI LG5221299400

Diamond specifications and retailer prices

From £1,513 GBP
As of October 30, 2026
Save £577 GBP (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,090 GBP at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 4.01ct lab-grown oval diamond

This 4.01ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG5221299400 or 5221299400. Listed at 3 retailers as of October 30, 2026, with prices from £1,513 to £2,090, a £577 spread on the same certified stone. 77 Diamonds lists it at £2,090. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.01
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG5221299400
Dimensions12.73 × 9.10 × 5.66 mm
L/W Ratio1.40
Culet sizeNone
Top View
12.73 mm9.10 mm4.01 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG5221299400
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,090 GBP|Low: £1,496 GBP|High: £2,153 GBP|Avg: £1,742 GBP|-0.5%
77 Diamonds
Retailer 2
Retailer 3
October 31, 2026
Retailer 2£1,513 GBP
Retailer 3£1,589 GBP
77 Diamonds£2,090 GBP

45 data points across 3 retailers

3 retailers£1,513 GBP to £2,090 GBP

B+
Cheapest Retailer
-
£1,513 GBP
B
Retailer 2
-
£1,589 GBP
$2,129 USD
View
Most Expensive
B
77 Diamonds
OVPUIFSCDTSWKMB · Oct 31
£2,090 GBP
View
2 more retailers have this diamond
Prices start from £1,513 GBPSave up to £577 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.

B+
4.01ct Oval
£1,513 GBP