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Round|Lab Grown|IGI

3.00ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG499190405

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190405

Diamond specifications and retailer prices

From $3,957 AUD
$2,780 USD
As of October 29, 2026
Save $13,925 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $17,882 AUD at MOH London · As of October 27, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499190405 or 499190405. Listed at 10 retailers as of October 27, 2026, with prices from $3,957 to $17,882, a $13,925 spread on the same certified stone. MOH London lists it at $17,882. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190405
Dimensions9.43 × 9.36 × 5.48 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 mm9.36 mm3.00 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190405
Side View
Table 61.0%Crown 31.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $17,882 AUD|Low: $3,957 AUD|High: $20,183 AUD|Avg: $11,061 AUD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 4$3,957 AUD
Retailer 3$7,565 AUD
Retailer 7$8,472 AUD
Retailer 5$8,777 AUD
Retailer 8$8,777 AUD
Retailer 9$9,392 AUD
Retailer 2$10,808 AUD
Retailer 6$13,556 AUD
MOH London$17,882 AUD
Retailer 10$20,183 AUD

15 data points across 10 retailers

10 retailers$3,957 AUD to $17,882 AUD

B+
Cheapest Retailer
-
$3,957 AUD
$2,780 USD
B
Retailer 2
-
$7,565 AUD
$5,315 USD
View
B
Retailer 3
-
$7,928 AUD
$5,570 USD
View
B
Retailer 4
-
$8,472 AUD
$5,952 USD
View
Final sale: no returns
Retailer 5
-
$8,777 AUD
$6,166 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$8,777 AUD
$6,166 USD
View
B
Retailer 7
-
$10,418 AUD
$7,319 USD
View
B
Retailer 8
-
$10,808 AUD
$7,593 USD
View
B
Retailer 9
-
$13,556 AUD
$9,524 USD
View
Most Expensive
B
MOH London
LG499190405 · Oct 27
$17,882 AUD
£9,892 GBP
View
9 more retailers have this diamond
Prices start from $3,957 AUDSave up to $13,925 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.

B+
3.00ct Round
$3,957 AUD