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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 $705 AUD
$495 USD
As of October 29, 2026
Save $2,166 AUD (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,871 AUD 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 $705 to $2,871, a $2,166 spread on the same certified stone. MOH London lists it at $2,871. 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 29
Current: $2,871 AUD|Low: $705 AUD|High: $3,053 AUD|Avg: $1,698 AUD|-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$705 AUD
Retailer 8$856 AUD
Retailer 4$982 AUD
Retailer 10$1,227 AUD
Retailer 2$1,283 AUD
Retailer 11$1,347 AUD
Retailer 9$1,655 AUD
Retailer 7$2,098 AUD
Retailer 3$2,475 AUD
Retailer 6$2,797 AUD
MOH London$2,871 AUD

40 data points across 11 retailers

16 retailers$705 AUD to $2,871 AUD

Retailer 1
-
$629 AUD
$442 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$705 AUD
$495 USD
View
Final sale: no returns
Retailer 3
-
$705 AUD
$495 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$780 AUD
$548 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$780 AUD
$548 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$856 AUD
HK$4,700 HKD
View
A
Retailer 7
-
$982 AUD
$690 USD
View
B+
Retailer 8
-
$1,227 AUD
$862 USD
View
A
Retailer 9
-
$1,283 AUD
£710 GBP
View
A
Retailer 10
-
$1,347 AUD
$946 USD
View
A
Retailer 11
-
$1,655 AUD
$1,163 USD
View
B+
Retailer 12
-
$2,098 AUD
$1,474 USD
View
B
Retailer 13
-
$2,475 AUD
SGD 2,350 SGD
View
Retailer 14
-
$2,509 AUD
$1,763 USD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$2,797 AUD
$1,965 USD
View
Most Expensive
B+
MOH London
LG571387799 · Oct 26
$2,871 AUD
£1,588 GBP
View
15 more retailers have this diamond
Prices start from $705 AUDSave up to $2,166 AUD

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
$705 AUD