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1.42ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG490177009

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490177009

Diamond specifications and retailer prices

From HK$5,570 HKD
As of November 5, 2026
Save HK$23,075 HKD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$28,645 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490177009 or 490177009. Listed at 11 retailers as of November 3, 2026, with prices from HK$5,570 to HK$28,645, a HK$23,075 spread on the same certified stone. MOH London lists it at HK$28,645. 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

1.42
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490177009
Dimensions7.21 × 7.17 × 4.46 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
7.21 mm7.17 mm1.42 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490177009
Side View
Table 53.5%Crown 34.4°Girdle: MediumPavilion 40.2°Culet: NoneDepth 62.1%

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$28,645 HKD|Low: HK$5,570 HKD|High: HK$29,023 HKD|Avg: HK$12,970 HKD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 4HK$5,570 HKD
Retailer 3HK$7,280 HKD
Retailer 7HK$8,151 HKD
Retailer 5HK$8,441 HKD
Retailer 8HK$9,807 HKD
Retailer 9HK$12,427 HKD
Retailer 6HK$13,525 HKD
Retailer 2HK$18,789 HKD
MOH LondonHK$28,645 HKD

9 data points across 9 retailers

11 retailersHK$5,570 HKD to HK$28,645 HKD

A
Cheapest Retailer
-
HK$5,570 HKD
B+
Retailer 2
-
HK$7,280 HKD
View
B+
Retailer 3
-
HK$7,924 HKD
View
B+
Retailer 4
-
HK$8,151 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$8,441 HKD
View
Retailer 6
-
HK$8,441 HKD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
HK$9,807 HKD
View
B
Retailer 8
-
HK$13,525 HKD
View
B
Retailer 9
-
HK$18,789 HKD
View
B
Retailer 10
-
HK$23,740 HKD
View
Most Expensive
B
MOH London
LG490177009 · Nov 3
HK$28,645 HKD
£2,875 GBP
View
10 more retailers have this diamond
Prices start from HK$5,570 HKDSave up to HK$23,075 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
1.42ct Round
HK$5,570 HKD