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Radiant|Lab Grown|IGI

1.81ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG533209306

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG533209306

Diamond specifications and retailer prices

From $471 CAD
$337 USD
As of October 30, 2026
Save $1,632 CAD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,102 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown radiant diamond

This 1.81ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG533209306 or 533209306. Listed at 13 retailers as of October 29, 2026, with prices from $471 to $2,102, a $1,632 spread on the same certified stone. MOH London lists it at $2,102. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533209306
Dimensions8.34 × 6.26 × 4.13 mm
L/W Ratio1.33
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
8.34 mm6.26 mm1.81 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG533209306
Side View
Table 64.0%Crown 41.9°Girdle: MediumPavilion 35°Culet: NoneDepth 66.0%

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 30
Current: $2,102 CAD|Low: $337 CAD|High: $2,116 CAD|Avg: $1,128 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7$471 CAD
Retailer 5$789 CAD
Retailer 6$854 CAD
Retailer 2$927 CAD
Retailer 9$957 CAD
Retailer 8$1,006 CAD
Retailer 4$1,604 CAD
Retailer 3$1,620 CAD
MOH London$2,102 CAD

41 data points across 9 retailers

13 retailers$471 CAD to $2,102 CAD

Retailer 1
-
$404 CAD
$289 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$471 CAD
$337 USD
View
Final sale: no returns
Retailer 3
-
$489 CAD
$350 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$522 CAD
$374 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$789 CAD
$565 USD
View
A
Retailer 6
-
$854 CAD
$611 USD
View
A
Retailer 7
-
$927 CAD
£522 GBP
View
B+
Retailer 8
-
$957 CAD
$685 USD
View
B+
Retailer 9
-
$1,006 CAD
$720 USD
View
B
Retailer 10
-
$1,604 CAD
$1,148 USD
View
B
Retailer 11
-
$1,620 CAD
$1,160 USD
View
Retailer 12
-
$1,678 CAD
$1,201 USD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
LG533209306 · Oct 29
$2,102 CAD
£1,185 GBP
View
12 more retailers have this diamond
Prices start from $471 CADSave up to $1,632 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 Radiant
$471 CAD