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1.30ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG474127291

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474127291

Diamond specifications and retailer prices

From HK$4,535 HKD
As of November 5, 2026
Save HK$19,796 HKD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$24,331 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474127291 or 474127291. Listed at 10 retailers as of November 5, 2026, with prices from HK$4,535 to HK$24,331, a HK$19,796 spread on the same certified stone. MOH London lists it at HK$24,331. 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

1.30
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474127291
Dimensions7.07 × 7.11 × 4.27 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
7.07 mm7.11 mm1.30 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474127291
Side View
Table 60.5%Crown 31.6°GirdlePavilion 41.5°Culet: NoneDepth 60.1%

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$24,331 HKD|Low: HK$3,624 HKD|High: HK$24,689 HKD|Avg: HK$9,675 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$4,535 HKD
Retailer 7HK$5,076 HKD
Retailer 5HK$5,617 HKD
Retailer 8HK$5,617 HKD
Retailer 2HK$5,805 HKD
Retailer 6HK$8,645 HKD
Retailer 9HK$9,014 HKD
Retailer 10HK$11,760 HKD
Retailer 3HK$13,949 HKD
MOH LondonHK$24,331 HKD

16 data points across 10 retailers

10 retailersHK$4,535 HKD to HK$24,331 HKD

A
Cheapest Retailer
-
HK$4,535 HKD
B+
Retailer 2
-
HK$5,076 HKD
View
Final sale: no returns
B+
Retailer 3
-
HK$5,076 HKD
View
Retailer 4
-
HK$5,617 HKD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
HK$5,617 HKD
View
B+
Retailer 6
-
HK$5,805 HKD
View
B
Retailer 7
-
HK$8,645 HKD
View
B
Retailer 8
-
HK$13,949 HKD
View
B
Retailer 9
-
HK$14,780 HKD
View
Most Expensive
B
MOH London
LG474127291 · Nov 5
HK$24,331 HKD
£2,442 GBP
View
9 more retailers have this diamond
Prices start from HK$4,535 HKDSave up to HK$19,796 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
1.30ct Round
HK$4,535 HKD