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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 $495 USD
As of October 29, 2026
Save $1,522 USD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,017 USD 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 $495 to $2,017, a $1,522 spread on the same certified stone. MOH London lists it at $2,017. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,017 USD|Low: $495 USD|High: $2,145 USD|Avg: $1,193 USD|-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$495 USD
Retailer 8$602 USD
Retailer 4$690 USD
Retailer 10$862 USD
Retailer 2$902 USD
Retailer 11$946 USD
Retailer 9$1,163 USD
Retailer 7$1,474 USD
Retailer 3$1,739 USD
Retailer 6$1,965 USD
MOH London$2,017 USD

40 data points across 11 retailers

16 retailers$495 USD to $2,017 USD

Retailer 1
-
$442 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$495 USD
View
Final sale: no returns
Retailer 3
-
$495 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$548 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$548 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$602 USD
HK$4,700 HKD
View
A
Retailer 7
-
$690 USD
View
B+
Retailer 8
-
$862 USD
View
A
Retailer 9
-
$902 USD
£710 GBP
View
A
Retailer 10
-
$946 USD
View
A
Retailer 11
-
$1,163 USD
View
B+
Retailer 12
-
$1,474 USD
View
B
Retailer 13
-
$1,739 USD
SGD 2,350 SGD
View
Retailer 14
-
$1,763 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$1,965 USD
View
Most Expensive
B+
MOH London
LG571387799 · Oct 26
$2,017 USD
£1,588 GBP
View
15 more retailers have this diamond
Prices start from $495 USDSave up to $1,522 USD

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
$495 USD