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Radiant|Lab Grown|IGI

1.81ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG523263333

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

Certificate IGI LG523263333

Diamond specifications and retailer prices

From HK$9,415 HKD
$1,200 USD
As of October 31, 2026
Save HK$35,334 HKD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$44,748 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523263333 or 523263333. Listed at 11 retailers as of October 31, 2026, with prices from HK$9,415 to HK$44,748, a HK$35,334 spread on the same certified stone. MOH London lists it at HK$44,748. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523263333
Dimensions7.78 × 6.06 × 4.08 mm
L/W Ratio1.28
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
7.78 mm6.06 mm1.81 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523263333
Side View
Table 64.5%Crown 45.6°Girdle: ThickPavilion 30.2°Culet: NoneDepth 67.3%

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 31
Current: HK$44,748 HKD|Low: HK$9,415 HKD|High: HK$45,346 HKD|Avg: HK$22,711 HKD
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
November 1, 2026
Retailer 7HK$9,415 HKD
Retailer 6HK$13,510 HKD
Retailer 11HK$14,695 HKD
Retailer 12HK$15,127 HKD
Retailer 8HK$15,668 HKD
Retailer 5HK$15,961 HKD
Retailer 13HK$16,986 HKD
Retailer 3HK$20,964 HKD
Retailer 9HK$24,596 HKD
Retailer 2HK$27,013 HKD
Retailer 10HK$29,366 HKD
MOH LondonHK$44,748 HKD
Retailer 4HK$44,858 HKD

18 data points across 13 retailers

11 retailersHK$9,415 HKD to HK$44,748 HKD

A
Cheapest Retailer
-
HK$9,415 HKD
$1,200 USD
B+
Retailer 2
-
HK$13,510 HKD
$1,722 USD
View
B+
Retailer 3
-
HK$14,695 HKD
$1,873 USD
View
B+
Retailer 4
-
HK$15,127 HKD
$1,928 USD
View
Final sale: no returns
Retailer 5
-
HK$15,668 HKD
$1,997 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
HK$15,668 HKD
$1,997 USD
View
B+
Retailer 7
-
HK$16,986 HKD
$2,165 USD
View
B
Retailer 8
-
HK$24,596 HKD
$3,135 USD
View
B
Retailer 9
-
HK$27,013 HKD
$3,443 USD
View
B
Retailer 10
-
HK$29,366 HKD
$3,743 USD
View
Most Expensive
B
MOH London
LG523263333 · Nov 1
HK$44,748 HKD
£4,491 GBP
View
10 more retailers have this diamond
Prices start from HK$9,415 HKDSave up to HK$35,334 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$9,415 HKD