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2.51ct J SI2 Round Lab Grown Diamond

VG • J/SI2 • IGI LG499190304

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190304

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)
11 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 very-good cut grade and certified by IGI LG499190304 or 499190304. Listed at 11 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. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.51
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190304
Dimensions8.66 × 8.63 × 5.39 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
8.66 mm8.63 mm2.51 ctJ / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190304
Side View
Table 55.5%Crown 36.9°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.4%

Caratlytics Score

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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: Oct 30
Current: HK$64,736 HKD|Low: HK$10,749 HKD|High: HK$65,434 HKD|Avg: HK$31,506 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
Retailer 12
Retailer 13
October 30, 2026
Retailer 2HK$10,749 HKD
Retailer 8HK$20,815 HKD
Retailer 12HK$22,651 HKD
Retailer 11HK$23,317 HKD
Retailer 6HK$24,063 HKD
Retailer 3HK$24,149 HKD
Retailer 9HK$24,149 HKD
Retailer 4HK$29,414 HKD
Retailer 13HK$33,187 HKD
Retailer 7HK$35,431 HKD
Retailer 10HK$37,604 HKD
Retailer 5HK$54,052 HKD
MOH LondonHK$64,736 HKD

38 data points across 13 retailers

11 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$24,063 HKD
£2,415 GBP
View
Retailer 6
-
HK$24,149 HKD
$3,078 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
HK$24,149 HKD
$3,078 USD
View
B
Retailer 8
-
HK$33,187 HKD
$4,230 USD
View
B
Retailer 9
-
HK$35,431 HKD
$4,516 USD
View
B
Retailer 10
-
HK$37,604 HKD
$4,793 USD
View
Most Expensive
C
MOH London
LG499190304 · Oct 27
HK$64,736 HKD
£6,497 GBP
View
10 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