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Round|Lab Grown|IGI

1.71ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG573377307

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573377307

Diamond specifications and retailer prices

From $284 CAD
$203 USD
As of October 29, 2026
Save $2,440 CAD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,724 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown round diamond

This 1.71ct 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 LG573377307 or 573377307. Listed at 10 retailers as of October 29, 2026, with prices from $284 to $2,724, a $2,440 spread on the same certified stone. Do Amore Diamonds lists it at $2,724. 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

1.71
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573377307
Dimensions7.64 × 7.60 × 4.75 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
7.64 mm7.60 mm1.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573377307
Side View
Table 56.5%Crown 35.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

Caratlytics Score

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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: $2,724 CAD|Low: $275 CAD|High: $2,780 CAD|Avg: $1,016 CAD|-2.0%
Do Amore Diamonds
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$284 CAD
Retailer 14$321 CAD
Retailer 12$330 CAD
Retailer 11$608 CAD
Retailer 2$717 CAD
Retailer 4$755 CAD
Retailer 5$841 CAD
Retailer 3$897 CAD
Retailer 8$1,131 CAD
Retailer 9$1,136 CAD
Retailer 10$1,249 CAD
Retailer 7$1,558 CAD
Retailer 6$1,565 CAD
Do Amore Diamonds$2,724 CAD

38 data points across 14 retailers

10 retailers$284 CAD to $2,724 CAD

A
Cheapest Retailer
-
$284 CAD
$203 USD
A
Retailer 2
-
$321 CAD
$230 USD
View
Final sale: no returns
A
Retailer 3
-
$330 CAD
$236 USD
View
B+
Retailer 4
-
$608 CAD
$435 USD
View
A
Retailer 5
-
$717 CAD
£404 GBP
View
Retailer 6
-
$1,131 CAD
$810 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$1,136 CAD
$813 USD
View
B+
Retailer 8
-
$1,249 CAD
$894 USD
View
B
Retailer 9
-
$1,558 CAD
£878 GBP
View
Most Expensive
B
Do Amore Diamonds
27-706090C23 · Oct 29
$2,724 CAD
$1,950 USD
View
9 more retailers have this diamond
Prices start from $284 CADSave up to $2,440 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
1.71ct Round
$284 CAD