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Round|Lab Grown|IGI

1.50ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG492122419

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122419

Diamond specifications and retailer prices

From HK$6,590 HKD
As of November 5, 2026
Save HK$29,308 HKD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$35,898 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492122419 or 492122419. Listed at 11 retailers as of November 3, 2026, with prices from HK$6,590 to HK$35,898, a HK$29,308 spread on the same certified stone. MOH London lists it at HK$35,898. 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

1.50
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122419
Dimensions7.31 × 7.27 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.31 mm7.27 mm1.50 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122419
Side View
Table 57.0%Crown 35.8°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 62.2%

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: Nov 5
Current: HK$35,898 HKD|Low: HK$6,590 HKD|High: HK$36,376 HKD|Avg: HK$17,122 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3HK$6,590 HKD
Retailer 4HK$9,634 HKD
Retailer 7HK$10,779 HKD
Retailer 5HK$11,172 HKD
Retailer 2HK$13,878 HKD
Retailer 8HK$15,753 HKD
Retailer 6HK$17,707 HKD
Retailer 9HK$21,402 HKD
Retailer 10HK$25,010 HKD
MOH LondonHK$35,898 HKD

44 data points across 10 retailers

11 retailersHK$6,590 HKD to HK$35,898 HKD

A
Cheapest Retailer
-
HK$6,590 HKD
A
Retailer 2
-
HK$9,634 HKD
View
B+
Retailer 3
-
HK$10,481 HKD
View
B+
Retailer 4
-
HK$10,779 HKD
View
Final sale: no returns
Retailer 5
-
HK$11,172 HKD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$11,172 HKD
View
B+
Retailer 7
-
HK$13,878 HKD
View
B
Retailer 8
-
HK$17,707 HKD
View
B
Retailer 9
-
HK$20,939 HKD
View
B
Retailer 10
-
HK$21,402 HKD
View
Most Expensive
B
MOH London
LG492122419 · Nov 3
HK$35,898 HKD
£3,603 GBP
View
10 more retailers have this diamond
Prices start from HK$6,590 HKDSave up to HK$29,308 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
1.50ct Round
HK$6,590 HKD