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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG623459877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623459877

Diamond specifications and retailer prices

From $1,722 CAD
As of November 5, 2026
Save $557 CAD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,279 CAD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.09ct lab-grown round diamond

This 3.09ct 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 LG623459877 or 623459877. Listed at 3 retailers as of November 5, 2026, with prices from $1,722 to $2,279, a $557 spread on the same certified stone. The Diamond Guys lists it at $2,279. 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

3.09
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623459877
Dimensions9.35 × 9.29 × 5.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
9.35 mm9.29 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623459877
Side View
Table 56.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $462 CAD|Low: $339 CAD|High: $5,880 CAD|Avg: $2,071 CAD|+31.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 18, 2026
Retailer 1$462 CAD
Retailer 8$528 CAD
Retailer 7$837 CAD
Retailer 5$904 CAD
Retailer 6$950 CAD
Retailer 9$1,332 CAD
Retailer 11$1,334 CAD
Retailer 12$1,450 CAD
Retailer 10$1,487 CAD
Retailer 2$1,722 CAD
The Diamond Guys$2,279 CAD
Retailer 3$3,631 CAD
Retailer 4$5,880 CAD

69 data points across 13 retailers

3 retailers$1,722 CAD to $2,279 CAD

Retailer 1
-
$528 CAD
Price last confirmed 51 days ago
B
Retailer 2
-
$1,722 CAD
View
Most Expensive
B
The Diamond Guys
1954434401 · Nov 6
$2,279 CAD
$1,632 USD
View
2 more retailers have this diamond
Prices start from $1,722 CADSave up to $557 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.

B
3.09ct Round
$1,722 CAD