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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 €443 EUR
$495 USD
As of October 31, 2026
Save €1,362 EUR (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,805 EUR 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 €443 to €1,805, a €1,362 spread on the same certified stone. MOH London lists it at €1,805. 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

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 31
Current: €1,805 EUR|Low: €380 EUR|High: €1,920 EUR|Avg: €1,020 EUR|-4.9%
MOH London
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 31, 2026
Retailer 11€396 EUR
Retailer 8€443 EUR
Retailer 6€491 EUR
Retailer 12€538 EUR
Retailer 7€618 EUR
Retailer 14€772 EUR
Retailer 2€809 EUR
Retailer 4€847 EUR
Retailer 13€1,041 EUR
Retailer 10€1,319 EUR
Retailer 5€1,557 EUR
Retailer 3€1,578 EUR
Retailer 9€1,759 EUR
MOH London€1,805 EUR

42 data points across 14 retailers

16 retailers€443 EUR to €1,805 EUR

Retailer 1
-
€396 EUR
$442 USD
Price last confirmed 11 days ago
A
Retailer 2
-
€443 EUR
$495 USD
View
Final sale: no returns
Retailer 3
-
€443 EUR
$495 USD
View
Price last confirmed 18 days ago
Retailer 4
-
€491 EUR
$548 USD
View
Price last confirmed 15 days ago
Retailer 5
-
€491 EUR
$548 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
€538 EUR
HK$4,700 HKD
View
A
Retailer 7
-
€618 EUR
$690 USD
View
B+
Retailer 8
-
€772 EUR
$862 USD
View
A
Retailer 9
-
€809 EUR
£712 GBP
View
A
Retailer 10
-
€847 EUR
$946 USD
View
A
Retailer 11
-
€1,041 EUR
$1,163 USD
View
B+
Retailer 12
-
€1,319 EUR
$1,474 USD
View
B
Retailer 13
-
€1,557 EUR
SGD 2,350 SGD
View
Retailer 14
-
€1,578 EUR
$1,763 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
€1,759 EUR
$1,965 USD
View
Most Expensive
B+
MOH London
LG571387799 · Oct 26
€1,805 EUR
£1,588 GBP
View
15 more retailers have this diamond
Prices start from €443 EURSave up to €1,362 EUR

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
€443 EUR