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Round|Lab Grown|IGI

1.74ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG668409277

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668409277

Diamond specifications and retailer prices

From $311 CAD
$222 USD
As of October 29, 2026
Save $1,761 CAD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,071 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG668409277 or 668409277. Listed at 14 retailers as of October 29, 2026, with prices from $311 to $2,071, a $1,761 spread on the same certified stone. Brilliant Earth lists it at $2,071. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668409277
Dimensions7.81 × 7.74 × 4.72 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
7.81 mm7.74 mm1.74 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668409277
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 60.8%

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 29
Current: $2,071 CAD|Low: $291 CAD|High: $2,071 CAD|Avg: $788 CAD|+2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 13$311 CAD
Retailer 6$340 CAD
Retailer 10$361 CAD
Retailer 5$386 CAD
Retailer 9$386 CAD
Retailer 11$659 CAD
Retailer 7$694 CAD
Retailer 2$715 CAD
Retailer 3$753 CAD
Retailer 14$759 CAD
Retailer 4$1,241 CAD
Retailer 12$1,246 CAD
Retailer 8$1,548 CAD
Brilliant Earth$2,071 CAD

42 data points across 14 retailers

14 retailers$311 CAD to $2,071 CAD

A
Cheapest Retailer
-
$311 CAD
$222 USD
A
Retailer 2
-
$340 CAD
$243 USD
View
Final sale: no returns
A
Retailer 3
-
$361 CAD
$258 USD
View
A
Retailer 4
-
$386 CAD
$276 USD
View
A
Retailer 5
-
$386 CAD
$276 USD
View
B+
Retailer 6
-
$659 CAD
$471 USD
View
A
Retailer 7
-
$694 CAD
€472 EUR
View
A
Retailer 8
-
$715 CAD
£402 GBP
View
A
Retailer 9
-
$753 CAD
$538 USD
View
A
Retailer 10
-
$759 CAD
$542 USD
View
B
Retailer 11
-
$1,241 CAD
$887 USD
View
B+
Retailer 12
-
$1,246 CAD
$890 USD
View
B
Retailer 13
-
$1,548 CAD
£871 GBP
View
Most Expensive
B
Brilliant Earth
13161355A · Oct 29
$2,071 CAD
$1,480 USD
View
13 more retailers have this diamond
Prices start from $311 CADSave up to $1,761 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
$311 CAD