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Round|Lab Grown|IGI

3.65ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG646449350

Shape and cutting style on the report: Round brilliant

Certificate IGI LG646449350

Diamond specifications and retailer prices

From $1,819 CAD
As of October 30, 2026
Save $588 CAD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,407 CAD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.65ct lab-grown round diamond

This 3.65ct 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 LG646449350 or 646449350. Listed at 2 retailers as of October 30, 2026, with prices from $1,819 to $2,407, a $588 spread on the same certified stone. The Diamond Guys lists it at $2,407. 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

3.65
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG646449350
Dimensions10.00 × 9.95 × 5.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.00 mm9.95 mm3.65 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG646449350
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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: Oct 30
Current: $6,943 CAD|Low: $369 CAD|High: $6,943 CAD|Avg: $1,914 CAD|+56.3%
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
August 3, 2026
Retailer 4$1,002 CAD
Retailer 7$1,082 CAD
Retailer 11$1,221 CAD
Retailer 2$1,240 CAD
Retailer 8$1,414 CAD
Retailer 10$1,497 CAD
Retailer 6$1,531 CAD
Retailer 9$1,819 CAD
Retailer 3$2,368 CAD
The Diamond Guys$2,407 CAD
Retailer 5$2,982 CAD
Retailer 12$3,828 CAD
Retailer 1$6,943 CAD

60 data points across 13 retailers

2 retailers$1,819 CAD to $2,407 CAD

B+
Cheapest Retailer
-
$1,819 CAD
Most Expensive
B
The Diamond Guys
1954434384 · Oct 30
$2,407 CAD
$1,723 USD
View
1 more retailer has this diamond
Prices start from $1,819 CADSave up to $588 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+
3.65ct Round
$1,819 CAD