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Oval|Lab Grown|IGI

3.05ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG678584096

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584096

Diamond specifications and retailer prices

From $610 CAD
As of November 6, 2026
Save $3,666 CAD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,276 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct 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 LG678584096 or 678584096. Listed at 18 retailers as of November 6, 2026, with prices from $610 to $4,276, a $3,666 spread on the same certified stone. Brilliant Earth lists it at $4,276. 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

3.05
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584096
Dimensions11.46 × 8.22 × 5.12 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.46 mm8.22 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678584096
Side View
Table 62.0%Crown 36.8°Girdle: THN-STKPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

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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 6
Current: $4,276 CAD|Low: $610 CAD|High: $4,656 CAD|Avg: $1,669 CAD|-8.2%
Brilliant Earth
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
Retailer 16
November 6, 2026
Retailer 8$610 CAD
Retailer 7$684 CAD
Retailer 14$706 CAD
Retailer 15$757 CAD
Retailer 9$921 CAD
Retailer 5$956 CAD
Retailer 3$1,013 CAD
Retailer 16$1,180 CAD
Retailer 2$1,194 CAD
Retailer 10$1,236 CAD
Retailer 6$1,439 CAD
Retailer 13$2,123 CAD
Retailer 4$2,432 CAD
Retailer 12$2,673 CAD
Retailer 11$2,772 CAD
Brilliant Earth$4,276 CAD

40 data points across 16 retailers

18 retailers$610 CAD to $4,276 CAD

A
Cheapest Retailer
-
$610 CAD
A
Retailer 2
-
$684 CAD
View
A
Retailer 3
-
$706 CAD
View
Final sale: no returns
A
Retailer 4
-
$757 CAD
View
Retailer 5
-
$792 CAD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$921 CAD
View
A
Retailer 7
-
$956 CAD
View
B+
Retailer 8
-
$1,013 CAD
View
A
Retailer 9
-
$1,180 CAD
View
A
Retailer 10
-
$1,194 CAD
View
A
Retailer 11
-
$1,236 CAD
View
B+
Retailer 12
-
$1,439 CAD
View
B+
Retailer 13
-
$1,852 CAD
View
B+
Retailer 14
-
$2,123 CAD
View
B
Retailer 15
-
$2,432 CAD
View
B
Retailer 16
-
$2,673 CAD
View
B
Retailer 17
-
$2,772 CAD
View
Most Expensive
B
Brilliant Earth
17470296A · Nov 6
$4,276 CAD
$3,040 USD
View
17 more retailers have this diamond
Prices start from $610 CADSave up to $3,666 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
3.05ct Oval
$610 CAD