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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 $431 SGD
$337 USD
As of November 1, 2026
Save $1,483 SGD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,914 SGD at MOH London · As of November 1, 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 November 1, 2026, with prices from $431 to $1,914, a $1,483 spread on the same certified stone. MOH London lists it at $1,914. 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
Colour
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

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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: Nov 1
Current: $1,914 SGD|Low: $308 SGD|High: $1,937 SGD|Avg: $985 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$431 SGD
Retailer 7$478 SGD
Retailer 5$722 SGD
Retailer 6$781 SGD
Retailer 2$848 SGD
Retailer 10$876 SGD
Retailer 9$920 SGD
Retailer 4$1,468 SGD
Retailer 3$1,483 SGD
MOH London$1,914 SGD

41 data points across 10 retailers

13 retailers$431 SGD to $1,914 SGD

Retailer 1
-
$369 SGD
$289 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$431 SGD
$337 USD
View
Final sale: no returns
Retailer 3
-
$447 SGD
$350 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$478 SGD
$374 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
$722 SGD
$565 USD
View
B+
Retailer 6
-
$781 SGD
$611 USD
View
A
Retailer 7
-
$848 SGD
£522 GBP
View
B+
Retailer 8
-
$876 SGD
$685 USD
View
B+
Retailer 9
-
$920 SGD
$720 USD
View
B
Retailer 10
-
$1,468 SGD
$1,148 USD
View
B
Retailer 11
-
$1,483 SGD
$1,160 USD
View
Retailer 12
-
$1,535 SGD
$1,201 USD
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
LG533209306 · Nov 1
$1,914 SGD
£1,179 GBP
View
12 more retailers have this diamond
Prices start from $431 SGDSave up to $1,483 SGD

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
$431 SGD