Round|Natural|HRD

12.31ct H VS1 Round Natural Diamond

EX • H/VS1 • HRD 260000028947

Certificate HRD 260000028947

Diamond specifications and retailer prices

From HK$2,681,161 HKD
£269,084 GBP
As of October 31, 2026
Save HK$720,146 HKD (21%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$3,401,307 HKD at Yorxs · As of November 1, 2026
View at Yorxs

About this 12.31ct natural round diamond

This 12.31ct natural round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by HRD 260000028947. Listed at 2 retailers as of October 31, 2026, with prices from HK$2,681,161 to HK$3,401,307, a HK$720,146 spread on the same certified stone. Yorxs lists it at HK$3,401,307. 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

12.31
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 260000028947
Dimensions15.12 × 15.17 × 8.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
15.12 mm15.17 mm12.31 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000028947
Side View
Table 61.0%CrownGirdle: ThinPavilionCulet: NoneDepth 59.2%

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: Oct 31
Current: HK$2,681,161 HKD|Low: HK$2,681,161 HKD|High: HK$3,425,354 HKD|Avg: HK$3,054,418 HKD|-0.9%
Retailer 1
Yorxs
November 1, 2026
Retailer 1HK$2,681,161 HKD
YorxsHK$3,401,307 HKD

17 data points across 2 retailers

2 retailersHK$2,681,161 HKD to HK$3,401,307 HKD

A
Cheapest Retailer
-
HK$2,681,161 HKD
£269,084 GBP
Most Expensive
B+
Yorxs
622902752 · Nov 1
HK$3,401,307 HKD
€412,881 EUR
View
1 more retailer has this diamond
Prices start from HK$2,681,161 HKDSave up to HK$720,146 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
12.31ct Round
HK$2,681,161 HKD