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1.43ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG499189128

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499189128

Diamond specifications and retailer prices

From HK$5,649 HKD
As of November 5, 2026
Save HK$23,106 HKD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$28,754 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.43ct lab-grown round diamond

This 1.43ct 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 LG499189128 or 499189128. Listed at 11 retailers as of November 5, 2026, with prices from HK$5,649 to HK$28,754, a HK$23,106 spread on the same certified stone. MOH London lists it at HK$28,754. 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

1.43
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189128
Dimensions7.22 × 7.25 × 4.47 mm
L/W Ratio1.00
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
7.22 mm7.25 mm1.43 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189128
Side View
Table 54.5%Crown 34.9°GirdlePavilion 40.3°Culet: NoneDepth 61.8%

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 5
Current: HK$28,754 HKD|Low: HK$5,649 HKD|High: HK$29,223 HKD|Avg: HK$12,238 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4HK$5,649 HKD
Retailer 3HK$7,327 HKD
Retailer 7HK$8,206 HKD
Retailer 5HK$8,504 HKD
Retailer 8HK$8,504 HKD
Retailer 9HK$9,885 HKD
Retailer 10HK$12,505 HKD
Retailer 6HK$13,611 HKD
Retailer 2HK$18,915 HKD
MOH LondonHK$28,754 HKD

15 data points across 10 retailers

11 retailersHK$5,649 HKD to HK$28,754 HKD

A
Cheapest Retailer
-
HK$5,649 HKD
B+
Retailer 2
-
HK$7,327 HKD
View
B+
Retailer 3
-
HK$7,979 HKD
View
B+
Retailer 4
-
HK$8,206 HKD
View
Final sale: no returns
Retailer 5
-
HK$8,504 HKD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$8,504 HKD
View
B+
Retailer 7
-
HK$9,885 HKD
View
B
Retailer 8
-
HK$13,611 HKD
View
B
Retailer 9
-
HK$18,915 HKD
View
B
Retailer 10
-
HK$23,904 HKD
View
Most Expensive
B
MOH London
LG499189128 · Nov 5
HK$28,754 HKD
£2,886 GBP
View
10 more retailers have this diamond
Prices start from HK$5,649 HKDSave up to HK$23,106 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
1.43ct Round
HK$5,649 HKD