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Oval|Natural|GIA

2.51ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 2554859851

Certificate GIA 2554859851

Diamond specifications and retailer prices

From HK$92,246 HKD
As of November 4, 2026
Save HK$62,620 HKD (40%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$154,866 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 2.51ct natural oval diamond

This 2.51ct natural oval sits in the two to three carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554859851. Listed at 19 retailers as of November 4, 2026, with prices from HK$92,246 to HK$154,866, a HK$62,620 spread on the same certified stone. MOH London lists it at HK$154,866. 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
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554859851
Dimensions10.66 × 7.43 × 4.67 mm
L/W Ratio1.43
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Cloud, Crystal, Needle, Indented Natural
Top View
10.66 mm7.43 mm2.51 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554859851
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.9%

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$154,866 HKD|Low: HK$70,874 HKD|High: HK$157,146 HKD|Avg: HK$105,010 HKD|-1.3%
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
November 6, 2026
Retailer 5HK$70,874 HKD
Retailer 3HK$72,026 HKD
Retailer 4HK$78,993 HKD
Retailer 12HK$92,246 HKD
Retailer 11HK$100,256 HKD
Retailer 6HK$105,068 HKD
Retailer 13HK$106,126 HKD
Retailer 9HK$114,857 HKD
Retailer 2HK$116,910 HKD
Retailer 8HK$120,069 HKD
Retailer 10HK$123,361 HKD
Retailer 7HK$125,234 HKD
MOH LondonHK$154,866 HKD

33 data points across 13 retailers

19 retailersHK$92,246 HKD to HK$154,866 HKD

Retailer 1
-
HK$72,026 HKD
Price last confirmed 56 days ago
B+
Retailer 2
-
HK$92,246 HKD
View
Retailer 3
-
HK$99,425 HKD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
HK$100,256 HKD
View
B+
Retailer 5
-
HK$105,068 HKD
View
Retailer 6
-
HK$106,056 HKD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
HK$106,126 HKD
View
Retailer 8
-
HK$107,709 HKD
View
Price last confirmed 29 days ago
Retailer 9
-
HK$107,709 HKD
View
Price last confirmed 43 days ago
Retailer 10
-
HK$111,855 HKD
View
Price last confirmed 38 days ago
Retailer 11
-
HK$111,855 HKD
View
Price last confirmed 43 days ago
B+
Retailer 12
-
HK$114,857 HKD
View
B+
Retailer 13
-
HK$116,910 HKD
View
B
Retailer 14
-
HK$120,069 HKD
View
B
Retailer 15
-
HK$123,361 HKD
View
B
Retailer 16
-
HK$125,234 HKD
View
Retailer 17
-
HK$140,854 HKD
View
Price last confirmed 42 days ago
Retailer 18
-
HK$140,854 HKD
View
Price last confirmed 38 days ago
Most Expensive
B
MOH London
DB46F1EEE · Nov 4
HK$154,866 HKD
£15,559 GBP
View
18 more retailers have this diamond
Prices start from HK$92,246 HKDSave up to HK$62,620 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 Oval
HK$92,246 HKD