Oval|Lab Grown|IGI

3.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG821666557

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821666557

Diamond specifications and retailer prices

From $581 CAD
As of November 5, 2026
Save $2,058 CAD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,638 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown oval diamond

This 3ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821666557 or 821666557. Listed at 16 retailers as of November 5, 2026, with prices from $581 to $2,638, a $2,058 spread on the same certified stone. MOH London lists it at $2,638. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821666557
Dimensions11.63 × 8.05 × 5.04 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.63 mm8.05 mm3.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821666557
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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: $2,638 CAD|Low: $557 CAD|High: $2,678 CAD|Avg: $1,353 CAD|-1.3%
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
Retailer 14
Retailer 15
November 5, 2026
Retailer 12$581 CAD
Retailer 5$650 CAD
Retailer 14$650 CAD
Retailer 7$720 CAD
Retailer 15$720 CAD
Retailer 10$886 CAD
Retailer 9$928 CAD
Retailer 3$1,137 CAD
Retailer 6$1,144 CAD
Retailer 2$1,173 CAD
Retailer 11$2,020 CAD
Retailer 4$2,315 CAD
Retailer 8$2,602 CAD
Retailer 13$2,635 CAD
MOH London$2,638 CAD

42 data points across 15 retailers

16 retailers$581 CAD to $2,638 CAD

A
Cheapest Retailer
-
$581 CAD
A
Retailer 2
-
$650 CAD
View
A
Retailer 3
-
$650 CAD
View
Final sale: no returns
Retailer 4
-
$720 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$720 CAD
View
A
Retailer 6
-
$928 CAD
View
B+
Retailer 7
-
$1,137 CAD
View
A
Retailer 8
-
$1,144 CAD
View
A
Retailer 9
-
$1,173 CAD
View
A
Retailer 10
-
$1,390 CAD
View
B+
Retailer 11
-
$2,020 CAD
View
B+
Retailer 12
-
$2,315 CAD
View
B+
Retailer 13
-
$2,363 CAD
View
B
Retailer 14
-
$2,602 CAD
View
B
Retailer 15
-
$2,635 CAD
View
Most Expensive
B
MOH London
LG821666557 · Nov 5
$2,638 CAD
£1,477 GBP
View
15 more retailers have this diamond
Prices start from $581 CADSave up to $2,058 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 Oval
$581 CAD