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Round|Lab Grown|IGI

3.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG735588309

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735588309

Diamond specifications and retailer prices

From $515 CAD
As of November 5, 2026
Save $2,445 CAD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,961 CAD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round 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 LG735588309 or 735588309. Listed at 18 retailers as of November 5, 2026, with prices from $515 to $2,961, a $2,445 spread on the same certified stone. Brilliant Earth lists it at $2,961. 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 angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735588309
Dimensions9.33 × 9.37 × 5.68 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm9.37 mm3.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735588309
Side View
Table 60.0%Crown 33.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $2,961 CAD|Low: $500 CAD|High: $2,961 CAD|Avg: $1,335 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
Retailer 16
Retailer 17
November 6, 2026
Retailer 6$515 CAD
Retailer 9$584 CAD
Retailer 16$598 CAD
Retailer 3$640 CAD
Retailer 5$640 CAD
Retailer 14$852 CAD
Retailer 8$859 CAD
Retailer 2$1,021 CAD
Retailer 10$1,140 CAD
Retailer 4$1,184 CAD
Retailer 17$1,331 CAD
Retailer 15$1,577 CAD
Retailer 13$1,874 CAD
Retailer 7$2,056 CAD
Retailer 12$2,402 CAD
Retailer 11$2,492 CAD
Brilliant Earth$2,961 CAD

44 data points across 17 retailers

18 retailers$515 CAD to $2,961 CAD

A
Cheapest Retailer
-
$515 CAD
A
Retailer 2
-
$584 CAD
View
Final sale: no returns
A
Retailer 3
-
$598 CAD
View
A
Retailer 4
-
$640 CAD
View
Retailer 5
-
$640 CAD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$852 CAD
View
B+
Retailer 7
-
$859 CAD
View
A
Retailer 8
-
$1,021 CAD
View
A
Retailer 9
-
$1,140 CAD
View
A
Retailer 10
-
$1,184 CAD
View
B+
Retailer 11
-
$1,331 CAD
View
B+
Retailer 12
-
$1,577 CAD
View
B+
Retailer 13
-
$1,623 CAD
View
B+
Retailer 14
-
$1,874 CAD
View
B
Retailer 15
-
$2,056 CAD
View
B
Retailer 16
-
$2,402 CAD
View
B
Retailer 17
-
$2,492 CAD
View
Most Expensive
B
Brilliant Earth
15923330A · Nov 5
$2,961 CAD
$2,120 USD
View
17 more retailers have this diamond
Prices start from $515 CADSave up to $2,445 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 Round
$515 CAD