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Oval|Natural|GIA

2.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 2546456911

Certificate GIA 2546456911

Diamond specifications and retailer prices

From HK$90,867 HKD
As of November 4, 2026
Save HK$70,772 HKD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$161,639 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 2546456911. Listed at 9 retailers as of November 4, 2026, with prices from HK$90,867 to HK$161,639, a HK$70,772 spread on the same certified stone. NZ Jewellers lists it at HK$161,639. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.85°
Pavilion angle39.63°
OriginNatural
Grading LabGIA
CertificateGIA 2546456911
Dimensions11.99 × 7.17 × 4.42 mm
L/W Ratio1.67
Top View
11.99 mm7.17 mm2.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546456911
Side View
Table 59.0%Crown 37.85°GirdlePavilion 39.63°Culet: NoneDepth 61.6%

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 4
Current: HK$161,639 HKD|Low: HK$73,045 HKD|High: HK$161,639 HKD|Avg: HK$116,875 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 4HK$73,045 HKD
Retailer 9HK$90,867 HKD
Retailer 8HK$103,454 HKD
Retailer 5HK$103,485 HKD
Retailer 10HK$105,068 HKD
Retailer 11HK$109,104 HKD
Retailer 2HK$114,042 HKD
Retailer 7HK$122,162 HKD
Retailer 12HK$124,497 HKD
Retailer 3HK$138,307 HKD
Retailer 6HK$151,058 HKD
NZ JewellersHK$161,639 HKD

31 data points across 12 retailers

9 retailersHK$90,867 HKD to HK$161,639 HKD

A
Cheapest Retailer
-
HK$90,867 HKD
B+
Retailer 2
-
HK$103,454 HKD
View
B+
Retailer 3
-
HK$103,485 HKD
View
B+
Retailer 4
-
HK$105,068 HKD
View
B+
Retailer 5
-
HK$109,104 HKD
View
B+
Retailer 6
-
HK$114,042 HKD
View
B
Retailer 7
-
HK$122,162 HKD
View
B
Retailer 8
-
HK$151,058 HKD
View
Most Expensive
B
NZ Jewellers
4ec45a73-6ca0-4e56-a7e0-2fded4eaf716 · Nov 5
HK$161,639 HKD
$20,624 USD
View
8 more retailers have this diamond
Prices start from HK$90,867 HKDSave up to HK$70,772 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 Oval
HK$90,867 HKD