Round|Natural|GIA

2.51ct M VS1 Round Natural Diamond

EX • M/VS1 • GIA 1478171738

Certificate GIA 1478171738

Diamond specifications and retailer prices

From HK$77,416 HKD
As of November 6, 2026
Save HK$54,814 HKD (41%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$132,231 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1478171738. Listed at 7 retailers as of November 5, 2026, with prices from HK$77,416 to HK$132,231, a HK$54,814 spread on the same certified stone. NZ Jewellers lists it at HK$132,231. 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
M
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1478171738
Dimensions8.62 × 8.68 × 5.38 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
8.62 mm8.68 mm2.51 ctM / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1478171738
Side View
Table 59.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.2%

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 6
Current: HK$132,231 HKD|Low: HK$77,409 HKD|High: HK$132,231 HKD|Avg: HK$95,904 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6HK$77,416 HKD
Retailer 4HK$86,132 HKD
Retailer 7HK$88,925 HKD
Retailer 5HK$92,511 HKD
Retailer 2HK$95,523 HKD
Retailer 3HK$97,547 HKD
NZ JewellersHK$132,231 HKD

20 data points across 7 retailers

7 retailersHK$77,416 HKD to HK$132,231 HKD

A
Cheapest Retailer
-
HK$77,416 HKD
B+
Retailer 2
-
HK$86,132 HKD
View
B+
Retailer 3
-
HK$88,925 HKD
View
B+
Retailer 4
-
HK$92,511 HKD
View
B+
Retailer 5
-
HK$95,523 HKD
View
B+
Retailer 6
-
HK$97,547 HKD
View
Most Expensive
B
NZ Jewellers
07a642f4-5d7c-4ff5-8bfc-90baf1ca771f · Nov 5
HK$132,231 HKD
$16,855 USD
View
6 more retailers have this diamond
Prices start from HK$77,416 HKDSave up to HK$54,814 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$77,416 HKD