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2.51ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG499106402

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499106402

Diamond specifications and retailer prices

From HK$10,826 HKD
As of November 5, 2026
Save HK$57,792 HKD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$68,618 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499106402 or 499106402. Listed at 10 retailers as of November 5, 2026, with prices from HK$10,826 to HK$68,618, a HK$57,792 spread on the same certified stone. MOH London lists it at HK$68,618. 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

2.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499106402
Dimensions8.76 × 8.72 × 5.24 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
8.76 mm8.72 mm2.51 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499106402
Side View
Table 61.0%Crown 35.5°GirdlePavilion 40.2°Culet: NoneDepth 60.0%

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$68,618 HKD|Low: HK$10,826 HKD|High: HK$69,724 HKD|Avg: HK$36,919 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6HK$10,826 HKD
Retailer 5HK$23,402 HKD
Retailer 9HK$25,458 HKD
Retailer 11HK$26,203 HKD
Retailer 7HK$27,144 HKD
Retailer 12HK$32,746 HKD
Retailer 10HK$33,923 HKD
Retailer 2HK$38,998 HKD
Retailer 8HK$42,184 HKD
Retailer 3HK$50,578 HKD
Retailer 4HK$60,753 HKD
MOH LondonHK$68,618 HKD

16 data points across 12 retailers

10 retailersHK$10,826 HKD to HK$68,618 HKD

A
Cheapest Retailer
-
HK$10,826 HKD
B+
Retailer 2
-
HK$23,402 HKD
View
B+
Retailer 3
-
HK$25,458 HKD
View
B+
Retailer 4
-
HK$26,203 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$27,144 HKD
View
Retailer 6
-
HK$27,144 HKD
View
Price last confirmed 25 days ago
B
Retailer 7
-
HK$33,923 HKD
View
B
Retailer 8
-
HK$38,998 HKD
View
B
Retailer 9
-
HK$42,184 HKD
View
Most Expensive
B
MOH London
LG499106402 · Nov 5
HK$68,618 HKD
£6,887 GBP
View
9 more retailers have this diamond
Prices start from HK$10,826 HKDSave up to HK$57,792 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
2.51ct Round
HK$10,826 HKD