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Round|Natural|GIA

2.51ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 3555571199

Certificate GIA 3555571199

Diamond specifications and retailer prices

From HK$78,931 HKD
As of November 4, 2026
Save HK$62,856 HKD (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$141,786 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 3555571199. Listed at 10 retailers as of November 4, 2026, with prices from HK$78,931 to HK$141,786, a HK$62,856 spread on the same certified stone. NZ Jewellers lists it at HK$141,786. 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
FluorescenceStrong
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3555571199
Dimensions8.61 × 8.65 × 5.40 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.61 mm8.65 mm2.51 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 3555571199
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 4
Current: HK$141,786 HKD|Low: HK$67,155 HKD|High: HK$141,786 HKD|Avg: HK$92,371 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3HK$67,155 HKD
Retailer 4HK$71,336 HKD
Retailer 12HK$78,931 HKD
Retailer 8HK$79,692 HKD
Retailer 9HK$85,073 HKD
Retailer 11HK$92,158 HKD
Retailer 6HK$93,578 HKD
Retailer 10HK$94,284 HKD
Retailer 5HK$101,995 HKD
Retailer 7HK$106,334 HKD
Retailer 2HK$110,774 HKD
NZ JewellersHK$141,786 HKD

38 data points across 12 retailers

10 retailersHK$78,931 HKD to HK$141,786 HKD

B+
Cheapest Retailer
-
HK$78,931 HKD
B+
Retailer 2
-
HK$79,692 HKD
View
Retailer 3
-
HK$85,073 HKD
View
Price last confirmed 8 days ago
B
Retailer 4
-
HK$92,158 HKD
View
B
Retailer 5
-
HK$93,578 HKD
View
B
Retailer 6
-
HK$94,284 HKD
View
B
Retailer 7
-
HK$101,995 HKD
View
B
Retailer 8
-
HK$106,334 HKD
View
B
Retailer 9
-
HK$110,774 HKD
View
Most Expensive
C
NZ Jewellers
928eeac4-075c-4203-be19-aaab7d08d85b · Nov 5
HK$141,786 HKD
$18,073 USD
View
9 more retailers have this diamond
Prices start from HK$78,931 HKDSave up to HK$62,856 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$78,931 HKD