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Round|Lab Grown|IGI

1.31ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG496135573

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496135573

Diamond specifications and retailer prices

From HK$5,186 HKD
As of November 5, 2026
Save HK$20,151 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$25,337 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 1.31ct lab-grown round diamond

This 1.31ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496135573 or 496135573. Listed at 10 retailers as of November 3, 2026, with prices from HK$5,186 to HK$25,337, a HK$20,151 spread on the same certified stone. MOH London lists it at HK$25,337. 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

1.31
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496135573
Dimensions7.07 × 7.12 × 4.30 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 mm7.12 mm1.31 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496135573
Side View
Table 56.0%Crown 33°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.5%

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$25,337 HKD|Low: HK$4,974 HKD|High: HK$25,636 HKD|Avg: HK$10,474 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4HK$5,186 HKD
Retailer 7HK$5,798 HKD
Retailer 2HK$5,962 HKD
Retailer 5HK$6,017 HKD
Retailer 8HK$6,017 HKD
Retailer 9HK$9,720 HKD
Retailer 6HK$9,814 HKD
Retailer 10HK$13,455 HKD
Retailer 3HK$15,361 HKD
MOH LondonHK$25,337 HKD

13 data points across 10 retailers

10 retailersHK$5,186 HKD to HK$25,337 HKD

A
Cheapest Retailer
-
HK$5,186 HKD
A
Retailer 2
-
HK$5,641 HKD
View
A
Retailer 3
-
HK$5,798 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$5,962 HKD
View
A
Retailer 5
-
HK$6,017 HKD
View
Retailer 6
-
HK$6,017 HKD
View
Price last confirmed 21 days ago
B+
Retailer 7
-
HK$9,814 HKD
View
B
Retailer 8
-
HK$15,361 HKD
View
B
Retailer 9
-
HK$16,906 HKD
View
Most Expensive
B
MOH London
LG496135573 · Nov 3
HK$25,337 HKD
£2,543 GBP
View
9 more retailers have this diamond
Prices start from HK$5,186 HKDSave up to HK$20,151 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
1.31ct Round
HK$5,186 HKD