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Round|Lab Grown|IGI

4.01ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG704553014

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704553014

Diamond specifications and retailer prices

From £379 GBP
$508 USD
As of October 29, 2026
Save £2,987 GBP (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,366 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.01ct lab-grown round diamond

This 4.01ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG704553014 or 704553014. Listed at 10 retailers as of October 29, 2026, with prices from £379 to £3,366, a £2,987 spread on the same certified stone. Do Amore Diamonds lists it at £3,366. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704553014
Dimensions10.20 × 10.15 × 6.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm10.15 mm4.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704553014
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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 29
Current: £3,366 GBP|Low: £364 GBP|High: £3,366 GBP|Avg: £1,204 GBP
Do Amore Diamonds
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 28, 2026
Retailer 9£379 GBP
Retailer 14£424 GBP
Retailer 12£425 GBP
Retailer 10£729 GBP
Retailer 2£731 GBP
Retailer 11£766 GBP
Retailer 6£826 GBP
Retailer 3£898 GBP
Retailer 8£1,213 GBP
Retailer 13£1,365 GBP
Retailer 5£1,563 GBP
Retailer 4£1,769 GBP
Retailer 7£2,264 GBP
Do Amore Diamonds£3,366 GBP

19 data points across 14 retailers

10 retailers£379 GBP to £3,366 GBP

A
Cheapest Retailer
-
£379 GBP
$508 USD
A
Retailer 2
-
£424 GBP
$568 USD
View
Final sale: no returns
A
Retailer 3
-
£425 GBP
$569 USD
View
B+
Retailer 4
-
£729 GBP
$977 USD
View
A
Retailer 5
-
£731 GBP
$980 USD
View
A
Retailer 6
-
£766 GBP
$1,026 USD
View
B+
Retailer 7
-
£1,213 GBP
$1,625 USD
View
B+
Retailer 8
-
£1,365 GBP
$1,829 USD
View
Retailer 9
-
£2,264 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-6DFC03C4A · Oct 31
£3,366 GBP
$4,510 USD
View
9 more retailers have this diamond
Prices start from £379 GBPSave up to £2,987 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 Round
£379 GBP