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2.51ct M SI2 Round Natural Diamond

EX • M/SI2 • IGI 743512805

Shape and cutting style on the report: Round brilliant

Certificate IGI 743512805

Diamond specifications and retailer prices

From HK$16,036 HKD
As of November 1, 2026
Save HK$26,250 HKD (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$42,286 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 743512805. Listed at 11 retailers as of October 30, 2026, with prices from HK$16,036 to HK$42,286, a HK$26,250 spread on the same certified stone. NZ Jewellers lists it at HK$42,286. 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
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 743512805
Dimensions8.54 × 8.60 × 5.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.54 mm8.60 mm2.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743512805
Side View
Table 57.0%Crown 36.3°Girdle: Slightly ThickPavilion 40.9°Culet: NoneDepth 63.4%

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 1
Current: HK$42,286 HKD|Low: HK$15,996 HKD|High: HK$42,286 HKD|Avg: HK$22,769 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2HK$16,036 HKD
Retailer 9HK$18,115 HKD
Retailer 8HK$19,338 HKD
Retailer 4HK$20,225 HKD
Retailer 7HK$20,225 HKD
Retailer 6HK$21,159 HKD
Retailer 10HK$21,323 HKD
Retailer 3HK$22,210 HKD
Retailer 5HK$23,339 HKD
NZ JewellersHK$42,286 HKD

39 data points across 10 retailers

11 retailersHK$16,036 HKD to HK$42,286 HKD

A
Cheapest Retailer
-
HK$16,036 HKD
A
Retailer 2
-
HK$18,115 HKD
View
Retailer 3
-
HK$19,064 HKD
View
Price last confirmed 95 days ago
A
Retailer 4
-
HK$19,338 HKD
View
Retailer 5
-
HK$20,225 HKD
View
Price last confirmed 8 days ago
Retailer 6
-
HK$20,225 HKD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$21,159 HKD
View
Price last confirmed 8 days ago
Retailer 8
-
HK$21,323 HKD
View
Price last confirmed 7 days ago
Retailer 9
-
HK$22,210 HKD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
HK$23,339 HKD
View
Most Expensive
B+
NZ Jewellers
d5a24acb-c285-4990-b854-2bdc79cccdca · Oct 30
HK$42,286 HKD
$5,390 USD
View
10 more retailers have this diamond
Prices start from HK$16,036 HKDSave up to HK$26,250 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$16,036 HKD