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Round|Lab Grown|IGI

3.00ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG485136506

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136506

Diamond specifications and retailer prices

From $2,346 CAD
As of November 5, 2026
Save $10,955 CAD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,616 CAD at MOH London · As of October 29, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485136506 or 485136506. Listed at 12 retailers as of November 4, 2026, with a 467% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136506
Dimensions9.41 × 9.38 × 5.45 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.41 mm9.38 mm3.00 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136506
Side View
Table 63.0%Crown 32.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $17,616 CAD|Low: $2,346 CAD|High: $17,756 CAD|Avg: $9,466 CAD|+0.5%
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$2,346 CAD
Retailer 8$7,423 CAD
Retailer 12$7,779 CAD
Retailer 11$8,314 CAD
Retailer 3$8,611 CAD
Retailer 9$8,611 CAD
Retailer 4$8,631 CAD
Retailer 2$8,655 CAD
Retailer 5$9,215 CAD
Retailer 13$10,222 CAD
Retailer 7$10,604 CAD
Retailer 10$13,301 CAD
MOH London$17,616 CAD

40 data points across 13 retailers

12 retailers$2,346 CAD to $13,301 CAD

A
Cheapest Retailer
-
$2,346 CAD
B+
Retailer 2
-
$7,423 CAD
View
B+
Retailer 3
-
$7,779 CAD
View
B+
Retailer 4
-
$8,314 CAD
View
Final sale: no returns
B+
Retailer 5
-
$8,611 CAD
View
Retailer 6
-
$8,611 CAD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$8,631 CAD
View
B+
Retailer 8
-
$8,655 CAD
View
B
Retailer 9
-
$10,222 CAD
View
B
Retailer 10
-
$10,604 CAD
View
B
Retailer 11
-
$13,301 CAD
View
Most Expensive
MOH London
LG485136506 · Oct 29
$17,616 CAD
£9,932 GBP
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from $2,346 CADSave up to $10,955 CAD

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
$2,346 CAD