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Round|Lab Grown|IGI

3.09ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG621433896

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621433896

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)
2 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 LG621433896 or 621433896. Listed at 2 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 angle34.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621433896
Dimensions9.37 × 9.31 × 5.80 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
9.37 mm9.31 mm3.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621433896
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $462 CAD|Low: $339 CAD|High: $3,827 CAD|Avg: $1,693 CAD|+31.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
September 18, 2026
Retailer 1$462 CAD
Retailer 5$837 CAD
Retailer 3$904 CAD
Retailer 4$950 CAD
Retailer 6$1,332 CAD
Retailer 8$1,334 CAD
Retailer 9$1,450 CAD
Retailer 7$1,485 CAD
Retailer 10$1,722 CAD
The Diamond Guys$2,279 CAD
Retailer 2$3,631 CAD

72 data points across 11 retailers

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

B+
Cheapest Retailer
-
$1,722 CAD
Most Expensive
B
The Diamond Guys
1954434402 · Nov 6
$2,279 CAD
$1,632 USD
View
1 more retailer has 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