Round|Lab Grown|IGI

3.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG624443937

Shape and cutting style on the report: Round brilliant

Certificate IGI LG624443937

Diamond specifications and retailer prices

From $1,750 CAD
As of October 30, 2026
Save $564 CAD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,315 CAD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.51ct lab-grown round diamond

This 3.51ct 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 LG624443937 or 624443937. Listed at 2 retailers as of October 30, 2026, with prices from $1,750 to $2,315, a $564 spread on the same certified stone. The Diamond Guys lists it at $2,315. 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

3.51
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG624443937
Dimensions9.89 × 9.81 × 5.93 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
9.89 mm9.81 mm3.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG624443937
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

Caratlytics Score

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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: $2,891 CAD|Low: $351 CAD|High: $6,677 CAD|Avg: $1,866 CAD|-5.2%
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$956 CAD
Retailer 6$1,029 CAD
Retailer 11$1,178 CAD
Retailer 2$1,183 CAD
Retailer 7$1,312 CAD
Retailer 10$1,422 CAD
Retailer 5$1,478 CAD
Retailer 8$1,750 CAD
Retailer 3$2,242 CAD
The Diamond Guys$2,315 CAD
Retailer 1$2,891 CAD
Retailer 12$3,632 CAD
Retailer 9$6,677 CAD

59 data points across 13 retailers

2 retailers$1,750 CAD to $2,315 CAD

B+
Cheapest Retailer
-
$1,750 CAD
Most Expensive
B
The Diamond Guys
1954434394 · Nov 1
$2,315 CAD
$1,657 USD
View
1 more retailer has this diamond
Prices start from $1,750 CADSave up to $564 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+
3.51ct Round
$1,750 CAD