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Round|Lab Grown|IGI

1.50ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG492123272

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492123272

Diamond specifications and retailer prices

From HK$6,512 HKD
As of November 5, 2026
Save HK$27,344 HKD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$33,856 HKD at MOH London · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492123272 or 492123272. Listed at 12 retailers as of November 5, 2026, with prices from HK$6,512 to HK$33,856, a HK$27,344 spread on the same certified stone. MOH London lists it at HK$33,856. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492123272
Dimensions7.39 × 7.35 × 4.53 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
7.39 mm7.35 mm1.50 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492123272
Side View
Table 52.0%Crown 33.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.5%

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$33,856 HKD|Low: HK$6,512 HKD|High: HK$34,404 HKD|Avg: HK$15,679 HKD|-1.3%
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
Retailer 14
November 6, 2026
Retailer 7HK$6,512 HKD
Retailer 8HK$9,108 HKD
Retailer 13HK$9,908 HKD
Retailer 12HK$10,199 HKD
Retailer 9HK$10,567 HKD
Retailer 11HK$10,567 HKD
Retailer 3HK$11,925 HKD
Retailer 2HK$13,753 HKD
Retailer 4HK$15,024 HKD
Retailer 10HK$16,781 HKD
Retailer 14HK$19,809 HKD
Retailer 5HK$20,821 HKD
Retailer 6HK$30,235 HKD
MOH LondonHK$33,856 HKD

43 data points across 14 retailers

12 retailersHK$6,512 HKD to HK$33,856 HKD

A
Cheapest Retailer
-
HK$6,512 HKD
B+
Retailer 2
-
HK$9,108 HKD
View
B+
Retailer 3
-
HK$9,908 HKD
View
B+
Retailer 4
-
HK$10,199 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$10,567 HKD
View
Retailer 6
-
HK$10,567 HKD
View
Price last confirmed 25 days ago
B
Retailer 7
-
HK$11,925 HKD
View
B+
Retailer 8
-
HK$13,753 HKD
View
B
Retailer 9
-
HK$16,781 HKD
View
B
Retailer 10
-
HK$19,809 HKD
View
B
Retailer 11
-
HK$20,821 HKD
View
Most Expensive
B
MOH London
LG492123272 · Nov 5
HK$33,856 HKD
£3,398 GBP
View
11 more retailers have this diamond
Prices start from HK$6,512 HKDSave up to HK$27,344 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$6,512 HKD