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Round|Lab Grown|IGI

1.81ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG515227591

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515227591

Diamond specifications and retailer prices

From $469 CAD
$335 USD
As of October 29, 2026
Save $2,050 CAD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,519 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515227591 or 515227591. Listed at 16 retailers as of October 29, 2026, with prices from $469 to $2,519, a $2,050 spread on the same certified stone. MOH London lists it at $2,519. 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

1.81
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227591
Dimensions7.80 × 7.83 × 4.85 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.80 mm7.83 mm1.81 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227591
Side View
Table 57.5%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.0%

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: $2,519 CAD|Low: $469 CAD|High: $2,519 CAD|Avg: $1,288 CAD
MOH London
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
Retailer 15
October 29, 2026
Retailer 12$469 CAD
Retailer 10$543 CAD
Retailer 9$581 CAD
Retailer 14$581 CAD
Retailer 6$753 CAD
Retailer 8$1,005 CAD
Retailer 11$1,061 CAD
Retailer 2$1,151 CAD
Retailer 5$1,204 CAD
Retailer 3$1,218 CAD
Retailer 7$1,283 CAD
Retailer 15$1,703 CAD
Retailer 13$2,062 CAD
Retailer 4$2,108 CAD
MOH London$2,519 CAD

13 data points across 15 retailers

16 retailers$469 CAD to $2,519 CAD

A
Cheapest Retailer
-
$469 CAD
$335 USD
A
Retailer 2
-
$543 CAD
$388 USD
View
A
Retailer 3
-
$581 CAD
$415 USD
View
A
Retailer 4
-
$581 CAD
$415 USD
View
B+
Retailer 5
-
$753 CAD
$538 USD
View
B+
Retailer 6
-
$1,005 CAD
£566 GBP
View
B+
Retailer 7
-
$1,061 CAD
$758 USD
View
B+
Retailer 8
-
$1,151 CAD
£648 GBP
View
B+
Retailer 9
-
$1,204 CAD
$860 USD
View
B
Retailer 10
-
$1,218 CAD
$870 USD
View
B+
Retailer 11
-
$1,283 CAD
$917 USD
View
B
Retailer 12
-
$1,703 CAD
$1,217 USD
View
B
Retailer 13
-
$2,062 CAD
$1,473 USD
View
B
Retailer 14
-
$2,108 CAD
$1,506 USD
View
B
Retailer 15
-
$2,155 CAD
$1,540 USD
View
Most Expensive
B
MOH London
LG515227591 · Oct 29
$2,519 CAD
£1,417 GBP
View
15 more retailers have this diamond
Prices start from $469 CADSave up to $2,050 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
1.81ct Round
$469 CAD