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Oval|Lab Grown|IGI

3.05ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG678584148

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584148

Diamond specifications and retailer prices

From $596 CAD
As of November 6, 2026
Save $5,635 CAD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,231 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678584148 or 678584148. Listed at 17 retailers as of November 6, 2026, with prices from $596 to $6,231, a $5,635 spread on the same certified stone. Brilliant Earth lists it at $6,231. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584148
Dimensions11.45 × 8.26 × 5.07 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
11.45 mm8.26 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584148
Side View
Table 61.0%Crown 35.6°Girdle: MediumPavilion 40.1°Culet: NoneDepth 61.4%

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: $6,231 CAD|Low: $596 CAD|High: $6,231 CAD|Avg: $1,669 CAD
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
November 6, 2026
Retailer 7$596 CAD
Retailer 6$668 CAD
Retailer 12$691 CAD
Retailer 13$740 CAD
Retailer 4$942 CAD
Retailer 15$992 CAD
Retailer 14$1,163 CAD
Retailer 8$1,207 CAD
Retailer 2$1,235 CAD
Retailer 5$1,467 CAD
Retailer 10$2,075 CAD
Retailer 3$2,377 CAD
Retailer 9$2,630 CAD
Retailer 11$2,716 CAD
Brilliant Earth$6,231 CAD

45 data points across 15 retailers

17 retailers$596 CAD to $6,231 CAD

A
Cheapest Retailer
-
$596 CAD
A
Retailer 2
-
$668 CAD
View
A
Retailer 3
-
$691 CAD
View
Final sale: no returns
A
Retailer 4
-
$740 CAD
View
Retailer 5
-
$772 CAD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$942 CAD
View
B+
Retailer 7
-
$992 CAD
View
A
Retailer 8
-
$1,163 CAD
View
A
Retailer 9
-
$1,207 CAD
View
A
Retailer 10
-
$1,235 CAD
View
A
Retailer 11
-
$1,467 CAD
View
B+
Retailer 12
-
$1,793 CAD
View
B+
Retailer 13
-
$2,075 CAD
View
B+
Retailer 14
-
$2,377 CAD
View
B+
Retailer 15
-
$2,630 CAD
View
B+
Retailer 16
-
$2,716 CAD
View
Most Expensive
B
Brilliant Earth
17470500A · Nov 6
$6,231 CAD
$4,430 USD
View
16 more retailers have this diamond
Prices start from $596 CADSave up to $5,635 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
$596 CAD