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Round|Lab Grown|IGI

1.71ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG440012001

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440012001

Diamond specifications and retailer prices

From $1,327 CAD
$950 USD
As of October 30, 2026
Save $5,141 CAD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,468 CAD at MOH London · As of October 27, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012001 or 440012001. Listed at 10 retailers as of October 27, 2026, with prices from $1,327 to $6,468, a $5,141 spread on the same certified stone. MOH London lists it at $6,468. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012001
Dimensions7.81 × 7.78 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.81 mm7.78 mm1.71 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012001
Side View
Table 59.0%Crown 32.3°Girdle: ThickPavilion 40.3°Culet: NoneDepth 59.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $6,468 CAD|Low: $1,327 CAD|High: $6,545 CAD|Avg: $3,538 CAD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$1,327 CAD
Retailer 4$2,182 CAD
Retailer 7$2,531 CAD
Retailer 6$3,098 CAD
Retailer 3$3,572 CAD
Retailer 5$4,104 CAD
Retailer 8$5,063 CAD
MOH London$6,468 CAD

12 data points across 8 retailers

10 retailers$1,327 CAD to $6,468 CAD

A
Cheapest Retailer
-
$1,327 CAD
$950 USD
B+
Retailer 2
-
$1,950 CAD
$1,396 USD
View
B+
Retailer 3
-
$2,120 CAD
$1,518 USD
View
B+
Retailer 4
-
$2,182 CAD
$1,562 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,262 CAD
$1,619 USD
View
Retailer 6
-
$2,262 CAD
$1,619 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$3,572 CAD
$2,557 USD
View
B
Retailer 8
-
$4,104 CAD
$2,938 USD
View
B
Retailer 9
-
$4,240 CAD
$3,035 USD
View
Most Expensive
B
MOH London
LG440012001 · Oct 27
$6,468 CAD
£3,646 GBP
View
9 more retailers have this diamond
Prices start from $1,327 CADSave up to $5,141 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
$1,327 CAD