Round|Lab Grown|IGI

1.74ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG747511820

Shape and cutting style on the report: Old european cut

Certificate IGI LG747511820

Diamond specifications and retailer prices

From $640 CAD
$458 USD
As of October 25, 2026
Save $384 CAD (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,024 CAD at Loose Grown Diamond · As of October 30, 2026
View at Loose Grown Diamond

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG747511820 or 747511820. Listed at 3 retailers as of October 25, 2026, with prices from $640 to $1,024, a $384 spread on the same certified stone. Loose Grown Diamond lists it at $1,024. 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

1.74
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747511820
Dimensions7.72 × 7.69 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.72 mm7.69 mm1.74 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747511820
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 41.2°Culet: LargeDepth 58.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $1,024 CAD|Low: $640 CAD|High: $2,112 CAD|Avg: $1,141 CAD
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3$640 CAD
Retailer 5$852 CAD
Retailer 2$1,012 CAD
Loose Grown Diamond$1,024 CAD
Retailer 4$2,112 CAD

12 data points across 5 retailers

3 retailers$640 CAD to $1,024 CAD

A
Cheapest Retailer
-
$640 CAD
$458 USD
B+
Retailer 2
-
$1,012 CAD
€690 EUR
View
Most Expensive
B+
Loose Grown Diamond
747511820 · Oct 30
$1,024 CAD
$733 USD
View
2 more retailers have this diamond
Prices start from $640 CADSave up to $384 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.

A
1.74ct Round
$640 CAD