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Round|Lab Grown|IGI

2.05ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG451055558

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055558

Diamond specifications and retailer prices

From $1,386 AUD
As of November 5, 2026
Save $8,338 AUD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,724 AUD at MOH London · As of November 3, 2026
View at MOH London

About this 2.05ct lab-grown round diamond

This 2.05ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055558 or 451055558. Listed at 11 retailers as of November 3, 2026, with prices from $1,386 to $9,724, a $8,338 spread on the same certified stone. MOH London lists it at $9,724. 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

2.05
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055558
Dimensions8.17 × 8.19 × 4.93 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.17 mm8.19 mm2.05 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055558
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.2%

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: Nov 5
Current: $9,724 AUD|Low: $1,386 AUD|High: $12,825 AUD|Avg: $5,289 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 5$1,386 AUD
Retailer 4$3,090 AUD
Retailer 8$3,460 AUD
Retailer 6$3,584 AUD
Retailer 9$3,584 AUD
Retailer 10$3,821 AUD
Retailer 11$4,558 AUD
Retailer 7$5,598 AUD
Retailer 2$5,617 AUD
MOH London$9,724 AUD
Retailer 3$12,825 AUD

12 data points across 11 retailers

11 retailers$1,386 AUD to $9,724 AUD

A
Cheapest Retailer
-
$1,386 AUD
B+
Retailer 2
-
$3,090 AUD
View
B+
Retailer 3
-
$3,361 AUD
View
B+
Retailer 4
-
$3,460 AUD
View
Final sale: no returns
B+
Retailer 5
-
$3,584 AUD
View
Retailer 6
-
$3,584 AUD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
$3,821 AUD
View
B
Retailer 8
-
$4,927 AUD
View
B
Retailer 9
-
$5,598 AUD
View
B
Retailer 10
-
$5,617 AUD
View
Most Expensive
B
MOH London
LG451055558 · Nov 3
$9,724 AUD
£5,360 GBP
View
10 more retailers have this diamond
Prices start from $1,386 AUDSave up to $8,338 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
2.05ct Round
$1,386 AUD