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Round|Lab Grown|IGI

3.05ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG490191103

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490191103

Diamond specifications and retailer prices

From $2,357 AUD
As of November 5, 2026
Save $14,350 AUD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,707 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490191103 or 490191103. Listed at 10 retailers as of November 5, 2026, with prices from $2,357 to $16,707, a $14,350 spread on the same certified stone. MOH London lists it at $16,707. 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

3.05
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490191103
Dimensions9.43 × 9.35 × 5.59 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
9.43 mm9.35 mm3.05 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490191103
Side View
Table 58.5%Crown 33.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 59.5%

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: $16,707 AUD|Low: $2,357 AUD|High: $18,883 AUD|Avg: $10,188 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2$2,357 AUD
Retailer 5$7,097 AUD
Retailer 8$7,437 AUD
Retailer 10$7,948 AUD
Retailer 6$8,232 AUD
Retailer 11$9,098 AUD
Retailer 9$9,772 AUD
Retailer 4$10,322 AUD
Retailer 7$12,722 AUD
MOH London$16,707 AUD
Retailer 3$18,883 AUD

18 data points across 11 retailers

10 retailers$2,357 AUD to $16,707 AUD

A
Cheapest Retailer
-
$2,357 AUD
B+
Retailer 2
-
$7,097 AUD
View
B+
Retailer 3
-
$7,437 AUD
View
B+
Retailer 4
-
$7,948 AUD
View
Final sale: no returns
Retailer 5
-
$8,232 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$8,232 AUD
View
B
Retailer 7
-
$9,772 AUD
View
B
Retailer 8
-
$10,322 AUD
View
B
Retailer 9
-
$12,722 AUD
View
Most Expensive
B
MOH London
LG490191103 · Nov 5
$16,707 AUD
£9,209 GBP
View
9 more retailers have this diamond
Prices start from $2,357 AUDSave up to $14,350 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
3.05ct Round
$2,357 AUD