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1.51ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG496134880

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496134880

Diamond specifications and retailer prices

From HK$6,590 HKD
As of November 5, 2026
Save HK$29,537 HKD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$36,127 HKD at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496134880 or 496134880. Listed at 10 retailers as of November 3, 2026, with prices from HK$6,590 to HK$36,127, a HK$29,537 spread on the same certified stone. MOH London lists it at HK$36,127. 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

1.51
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496134880
Dimensions7.38 × 7.42 × 4.49 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
7.38 mm7.42 mm1.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496134880
Side View
Table 59.0%Crown 33.7°GirdlePavilion 40.9°Culet: NoneDepth 60.7%

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$36,127 HKD|Low: HK$6,590 HKD|High: HK$36,616 HKD|Avg: HK$17,127 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2HK$6,590 HKD
Retailer 3HK$9,697 HKD
Retailer 6HK$10,858 HKD
Retailer 4HK$11,242 HKD
Retailer 7HK$11,242 HKD
Retailer 9HK$15,847 HKD
Retailer 5HK$17,832 HKD
Retailer 8HK$21,543 HKD
Retailer 10HK$25,175 HKD
MOH LondonHK$36,127 HKD

14 data points across 10 retailers

10 retailersHK$6,590 HKD to HK$36,127 HKD

A
Cheapest Retailer
-
HK$6,590 HKD
B+
Retailer 2
-
HK$9,697 HKD
View
B+
Retailer 3
-
HK$10,544 HKD
View
B+
Retailer 4
-
HK$10,858 HKD
View
Final sale: no returns
Retailer 5
-
HK$11,242 HKD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$11,242 HKD
View
B
Retailer 7
-
HK$17,832 HKD
View
B
Retailer 8
-
HK$21,080 HKD
View
B
Retailer 9
-
HK$21,543 HKD
View
Most Expensive
B
MOH London
LG496134880 · Nov 3
HK$36,127 HKD
£3,626 GBP
View
9 more retailers have this diamond
Prices start from HK$6,590 HKDSave up to HK$29,537 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
1.51ct Round
HK$6,590 HKD