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Round|Natural|GIA

2.51ct K VS1 Round Natural Diamond

EX • K/VS1

Diamond specifications and retailer prices

From HK$108,876 HKD
As of November 4, 2026
Save HK$62,934 HKD (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$171,810 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA. Listed at 9 retailers as of November 4, 2026, with prices from HK$108,876 to HK$171,810, a HK$62,934 spread on the same certified stone. NZ Jewellers lists it at HK$171,810. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions8.60 × 8.63 × 5.45 mm
L/W Ratio1.00
Top View
8.60 mm8.63 mm2.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 56.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.2%

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$171,810 HKD|Low: HK$108,876 HKD|High: HK$175,419 HKD|Avg: HK$136,685 HKD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 8HK$108,876 HKD
Retailer 9HK$122,974 HKD
Retailer 7HK$130,270 HKD
Retailer 6HK$131,384 HKD
Retailer 4HK$131,642 HKD
Retailer 3HK$134,883 HKD
Retailer 2HK$136,436 HKD
Retailer 5HK$144,877 HKD
NZ JewellersHK$171,810 HKD

14 data points across 9 retailers

9 retailersHK$108,876 HKD to HK$171,810 HKD

A
Cheapest Retailer
-
HK$108,876 HKD
Retailer 2
-
HK$122,974 HKD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
HK$130,270 HKD
View
B+
Retailer 4
-
HK$131,384 HKD
View
B+
Retailer 5
-
HK$131,642 HKD
View
B+
Retailer 6
-
HK$134,883 HKD
View
B+
Retailer 7
-
HK$136,436 HKD
View
B+
Retailer 8
-
HK$144,877 HKD
View
Most Expensive
B
NZ Jewellers
af394ada-1d6f-442d-99f6-ff6a02cdd7de · Nov 5
HK$171,810 HKD
$21,900 USD
View
8 more retailers have this diamond
Prices start from HK$108,876 HKDSave up to HK$62,934 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$108,876 HKD