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Round|Lab Grown|IGI

3.70ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG626427041

Shape and cutting style on the report: Round brilliant

Certificate IGI LG626427041

Diamond specifications and retailer prices

From $1,781 CAD
As of October 30, 2026
Save $575 CAD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,357 CAD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.7ct lab-grown round diamond

This 3.7ct 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 LG626427041 or 626427041. Listed at 2 retailers as of October 30, 2026, with prices from $1,781 to $2,357, a $575 spread on the same certified stone. The Diamond Guys lists it at $2,357. 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

3.70
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626427041
Dimensions10.08 × 10.04 × 6.04 mm
L/W Ratio1.00
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
10.08 mm10.04 mm3.70 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626427041
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.0%

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: Oct 30
Current: $1,510 CAD|Low: $362 CAD|High: $4,400 CAD|Avg: $1,926 CAD|-5.7%
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$975 CAD
Retailer 5$1,061 CAD
Retailer 9$1,210 CAD
Retailer 11$1,218 CAD
Retailer 6$1,447 CAD
Retailer 8$1,468 CAD
Retailer 1$1,510 CAD
Retailer 7$1,781 CAD
Retailer 2$2,319 CAD
The Diamond Guys$2,357 CAD
Retailer 12$3,203 CAD
Retailer 10$3,744 CAD
Retailer 3$4,219 CAD

61 data points across 13 retailers

2 retailers$1,781 CAD to $2,357 CAD

B+
Cheapest Retailer
-
$1,781 CAD
Most Expensive
B
The Diamond Guys
1954434370 · Oct 30
$2,357 CAD
$1,687 USD
View
1 more retailer has this diamond
Prices start from $1,781 CADSave up to $575 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+
3.70ct Round
$1,781 CAD