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2.51ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG500151181

Shape and cutting style on the report: Round brilliant

Certificate IGI LG500151181

Diamond specifications and retailer prices

From HK$10,749 HKD
$1,370 USD
As of October 30, 2026
Save HK$53,988 HKD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$64,736 HKD at MOH London · As of October 27, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG500151181 or 500151181. Listed at 10 retailers as of October 27, 2026, with prices from HK$10,749 to HK$64,736, a HK$53,988 spread on the same certified stone. MOH London lists it at HK$64,736. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500151181
Dimensions8.72 × 8.67 × 5.34 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
8.72 mm8.67 mm2.51 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500151181
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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: Oct 30
Current: HK$64,736 HKD|Low: HK$10,749 HKD|High: HK$65,514 HKD|Avg: HK$32,375 HKD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2HK$10,749 HKD
Retailer 5HK$20,815 HKD
Retailer 8HK$22,651 HKD
Retailer 10HK$23,317 HKD
Retailer 6HK$24,149 HKD
Retailer 11HK$29,414 HKD
Retailer 9HK$33,187 HKD
Retailer 4HK$35,431 HKD
Retailer 7HK$37,604 HKD
Retailer 3HK$54,052 HKD
MOH LondonHK$64,736 HKD

18 data points across 11 retailers

10 retailersHK$10,749 HKD to HK$64,736 HKD

A
Cheapest Retailer
-
HK$10,749 HKD
$1,370 USD
B+
Retailer 2
-
HK$20,815 HKD
$2,653 USD
View
B+
Retailer 3
-
HK$22,651 HKD
$2,887 USD
View
B+
Retailer 4
-
HK$23,317 HKD
$2,972 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$24,149 HKD
$3,078 USD
View
Retailer 6
-
HK$24,149 HKD
$3,078 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
HK$33,187 HKD
$4,230 USD
View
B
Retailer 8
-
HK$35,431 HKD
$4,516 USD
View
B
Retailer 9
-
HK$37,604 HKD
$4,793 USD
View
Most Expensive
B
MOH London
LG500151181 · Oct 27
HK$64,736 HKD
£6,497 GBP
View
9 more retailers have this diamond
Prices start from HK$10,749 HKDSave up to HK$53,988 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$10,749 HKD