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Round|Lab Grown|IGI

3.00ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG490193309

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490193309

Diamond specifications and retailer prices

From $2,328 AUD
As of November 5, 2026
Save $14,115 AUD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $16,444 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct 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 LG490193309 or 490193309. Listed at 11 retailers as of November 5, 2026, with prices from $2,328 to $16,444, a $14,115 spread on the same certified stone. MOH London lists it at $16,444. 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

3.00
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490193309
Dimensions9.37 × 9.33 × 5.59 mm
L/W Ratio1.00
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
9.37 mm9.33 mm3.00 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490193309
Side View
Table 58.5%Crown 33.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.8%

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: $16,444 AUD|Low: $2,328 AUD|High: $18,575 AUD|Avg: $9,767 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
Retailer 12
Retailer 13
November 5, 2026
Retailer 6$2,328 AUD
Retailer 8$6,985 AUD
Retailer 11$7,321 AUD
Retailer 12$7,824 AUD
Retailer 3$8,102 AUD
Retailer 9$8,102 AUD
Retailer 2$8,144 AUD
Retailer 4$8,960 AUD
Retailer 13$9,620 AUD
Retailer 7$10,159 AUD
Retailer 10$12,525 AUD
MOH London$16,444 AUD
Retailer 5$18,575 AUD

28 data points across 13 retailers

11 retailers$2,328 AUD to $16,444 AUD

A
Cheapest Retailer
-
$2,328 AUD
B+
Retailer 2
-
$6,985 AUD
View
B+
Retailer 3
-
$7,321 AUD
View
B+
Retailer 4
-
$7,824 AUD
View
Final sale: no returns
B+
Retailer 5
-
$8,102 AUD
View
Retailer 6
-
$8,102 AUD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$8,144 AUD
View
B
Retailer 8
-
$9,620 AUD
View
B
Retailer 9
-
$10,159 AUD
View
B
Retailer 10
-
$12,525 AUD
View
Most Expensive
B
MOH London
LG490193309 · Nov 5
$16,444 AUD
£9,064 GBP
View
10 more retailers have this diamond
Prices start from $2,328 AUDSave up to $14,115 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
3.00ct Round
$2,328 AUD