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2.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 7512553168

Shape and cutting style on the report: Round brilliant

Certificate GIA 7512553168

Diamond specifications and retailer prices

From HK$65,139 HKD
As of November 5, 2026
Save HK$43,808 HKD (40%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$108,946 HKD at NZ Jewellers · As of November 5, 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 GIA 7512553168. Listed at 7 retailers as of November 5, 2026, with prices from HK$65,139 to HK$108,946, a HK$43,808 spread on the same certified stone. NZ Jewellers lists it at HK$108,946. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7512553168
Dimensions8.61 × 8.66 × 5.40 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Knot, Cavity, Needle
Top View
8.61 mm8.66 mm2.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7512553168
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$108,946 HKD|Low: HK$60,126 HKD|High: HK$108,946 HKD|Avg: HK$74,171 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4HK$60,126 HKD
Retailer 6HK$65,139 HKD
Retailer 7HK$66,143 HKD
Retailer 3HK$70,622 HKD
Retailer 2HK$70,928 HKD
Retailer 8HK$74,788 HKD
Retailer 5HK$75,157 HKD
NZ JewellersHK$108,946 HKD

44 data points across 8 retailers

7 retailersHK$65,139 HKD to HK$108,946 HKD

Retailer 1
-
HK$60,126 HKD
Price last confirmed 8 days ago
B+
Retailer 2
-
HK$65,139 HKD
View
B+
Retailer 3
-
HK$66,143 HKD
View
B+
Retailer 4
-
HK$70,622 HKD
View
B+
Retailer 5
-
HK$70,928 HKD
View
B+
Retailer 6
-
HK$75,157 HKD
View
Most Expensive
B
NZ Jewellers
4a3ec4e2-3dcf-4467-8506-40025fb01eba · Nov 5
HK$108,946 HKD
$13,887 USD
View
6 more retailers have this diamond
Prices start from HK$65,139 HKDSave up to HK$43,808 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.

B+
2.51ct Round
HK$65,139 HKD