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Round|Lab Grown|IGI

3.00ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG490193308

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490193308

Diamond specifications and retailer prices

From $2,400 AUD
As of November 5, 2026
Save $18,335 AUD (88%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,734 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490193308 or 490193308. Listed at 11 retailers as of November 5, 2026, with prices from $2,400 to $20,734, a $18,335 spread on the same certified stone. MOH London lists it at $20,734. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490193308
Dimensions9.26 × 9.20 × 5.66 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
9.26 mm9.20 mm3.00 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490193308
Side View
Table 59.0%Crown 35.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.3%

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: $20,734 AUD|Low: $2,400 AUD|High: $21,041 AUD|Avg: $11,574 AUD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$2,400 AUD
Retailer 4$8,808 AUD
Retailer 7$9,864 AUD
Retailer 8$10,199 AUD
Retailer 5$10,218 AUD
Retailer 9$10,855 AUD
Retailer 3$12,149 AUD
Retailer 6$15,766 AUD
MOH London$20,734 AUD

13 data points across 9 retailers

11 retailers$2,400 AUD to $20,734 AUD

A
Cheapest Retailer
-
$2,400 AUD
B
Retailer 2
-
$8,808 AUD
View
B
Retailer 3
-
$9,231 AUD
View
B
Retailer 4
-
$9,864 AUD
View
Final sale: no returns
B
Retailer 5
-
$10,199 AUD
View
Retailer 6
-
$10,218 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$10,218 AUD
View
B
Retailer 8
-
$12,129 AUD
View
B
Retailer 9
-
$12,149 AUD
View
B
Retailer 10
-
$15,766 AUD
View
Most Expensive
B
MOH London
LG490193308 · Nov 5
$20,734 AUD
£11,429 GBP
View
10 more retailers have this diamond
Prices start from $2,400 AUDSave up to $18,335 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
$2,400 AUD