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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 HK$2,644 HKD
$337 USD
As of November 1, 2026
Save HK$9,104 HKD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$11,748 HKD 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 HK$2,644 to HK$11,748, a HK$9,104 spread on the same certified stone. MOH London lists it at HK$11,748. 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

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: Nov 1
Current: HK$11,748 HKD|Low: HK$1,891 HKD|High: HK$11,887 HKD|Avg: HK$6,043 HKD|-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 8HK$2,644 HKD
Retailer 7HK$2,934 HKD
Retailer 5HK$4,433 HKD
Retailer 6HK$4,794 HKD
Retailer 2HK$5,205 HKD
Retailer 10HK$5,374 HKD
Retailer 9HK$5,649 HKD
Retailer 4HK$9,007 HKD
Retailer 3HK$9,101 HKD
MOH LondonHK$11,748 HKD

41 data points across 10 retailers

13 retailersHK$2,644 HKD to HK$11,748 HKD

Retailer 1
-
HK$2,267 HKD
$289 USD
Price last confirmed 30 days ago
A
Retailer 2
-
HK$2,644 HKD
$337 USD
View
Final sale: no returns
Retailer 3
-
HK$2,746 HKD
$350 USD
View
Price last confirmed 35 days ago
Retailer 4
-
HK$2,934 HKD
$374 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
HK$4,433 HKD
$565 USD
View
B+
Retailer 6
-
HK$4,794 HKD
$611 USD
View
A
Retailer 7
-
HK$5,205 HKD
£522 GBP
View
B+
Retailer 8
-
HK$5,374 HKD
$685 USD
View
B+
Retailer 9
-
HK$5,649 HKD
$720 USD
View
B
Retailer 10
-
HK$9,007 HKD
$1,148 USD
View
B
Retailer 11
-
HK$9,101 HKD
$1,160 USD
View
Retailer 12
-
HK$9,423 HKD
$1,201 USD
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
LG533209306 · Nov 1
HK$11,748 HKD
£1,179 GBP
View
12 more retailers have this diamond
Prices start from HK$2,644 HKDSave up to HK$9,104 HKD

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
HK$2,644 HKD