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Round|Lab Grown|IGI

1.71ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG799635486

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799635486

Diamond specifications and retailer prices

From $313 CAD
$224 USD
As of October 29, 2026
Save $1,252 CAD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,565 CAD at MOH London · As of October 29, 2026
View at MOH London

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 LG799635486 or 799635486. Listed at 16 retailers as of October 29, 2026, with prices from $313 to $1,565, a $1,252 spread on the same certified stone. MOH London lists it at $1,565. 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 angle33.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799635486
Dimensions7.69 × 7.73 × 4.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.69 mm7.73 mm1.71 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799635486
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

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: $1,565 CAD|Low: $313 CAD|High: $1,575 CAD|Avg: $887 CAD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$313 CAD
Retailer 9$388 CAD
Retailer 2$650 CAD
Retailer 10$661 CAD
Retailer 4$722 CAD
Retailer 3$743 CAD
Retailer 11$753 CAD
Retailer 6$1,018 CAD
Retailer 5$1,159 CAD
Retailer 8$1,453 CAD
MOH London$1,565 CAD

41 data points across 11 retailers

16 retailers$313 CAD to $1,565 CAD

A
Cheapest Retailer
-
$313 CAD
$224 USD
A
Retailer 2
-
$363 CAD
$260 USD
View
A
Retailer 3
-
$388 CAD
$278 USD
View
A
Retailer 4
-
$388 CAD
$278 USD
View
A
Retailer 5
-
$650 CAD
€443 EUR
View
B+
Retailer 6
-
$661 CAD
$473 USD
View
A
Retailer 7
-
$722 CAD
£407 GBP
View
A
Retailer 8
-
$743 CAD
$532 USD
View
A
Retailer 9
-
$753 CAD
$539 USD
View
B+
Retailer 10
-
$1,018 CAD
$729 USD
View
Retailer 11
-
$1,138 CAD
$815 USD
View
Price last confirmed 46 days ago
B+
Retailer 12
-
$1,159 CAD
$830 USD
View
B+
Retailer 13
-
$1,249 CAD
$894 USD
View
B
Retailer 14
-
$1,322 CAD
$946 USD
View
B
Retailer 15
-
$1,453 CAD
$1,040 USD
View
Most Expensive
B
MOH London
LG799635486 · Oct 29
$1,565 CAD
£882 GBP
View
15 more retailers have this diamond
Prices start from $313 CADSave up to $1,252 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
$313 CAD