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Round|Lab Grown|IGI

3.63ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG571387799

Shape and cutting style on the report: Round brilliant

Certificate IGI LG571387799

Diamond specifications and retailer prices

From £369 GBP
$495 USD
As of October 29, 2026
Save £1,136 GBP (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,505 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 3.63ct lab-grown round diamond

This 3.63ct 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 LG571387799 or 571387799. Listed at 16 retailers as of October 26, 2026, with prices from £369 to £1,505, a £1,136 spread on the same certified stone. MOH London lists it at £1,505. 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

3.63
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571387799
Dimensions9.81 × 9.76 × 6.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.81 mm9.76 mm3.63 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571387799
Side View
Table 57.5%Crown 35.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,505 GBP|Low: £369 GBP|High: £1,601 GBP|Avg: £893 GBP|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5£369 GBP
Retailer 8£449 GBP
Retailer 4£515 GBP
Retailer 10£643 GBP
Retailer 2£673 GBP
Retailer 11£706 GBP
Retailer 9£868 GBP
Retailer 7£1,100 GBP
Retailer 3£1,298 GBP
Retailer 6£1,467 GBP
MOH London£1,505 GBP

39 data points across 11 retailers

16 retailers£369 GBP to £1,505 GBP

Retailer 1
-
£330 GBP
$442 USD
Price last confirmed 10 days ago
A
Retailer 2
-
£369 GBP
$495 USD
View
Final sale: no returns
Retailer 3
-
£369 GBP
$495 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£409 GBP
$548 USD
View
Price last confirmed 14 days ago
Retailer 5
-
£409 GBP
$548 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£449 GBP
HK$4,700 HKD
View
A
Retailer 7
-
£515 GBP
$690 USD
View
B+
Retailer 8
-
£643 GBP
$862 USD
View
A
Retailer 9
-
£673 GBP
View
A
Retailer 10
-
£706 GBP
$946 USD
View
A
Retailer 11
-
£868 GBP
$1,163 USD
View
B+
Retailer 12
-
£1,100 GBP
$1,474 USD
View
B
Retailer 13
-
£1,298 GBP
SGD 2,350 SGD
View
Retailer 14
-
£1,316 GBP
$1,763 USD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
£1,467 GBP
$1,965 USD
View
Most Expensive
B+
MOH London
LG571387799 · Oct 26
£1,505 GBP
View
15 more retailers have this diamond
Prices start from £369 GBPSave up to £1,136 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
3.63ct Round
£369 GBP