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12.31ct H VS1 Round Natural Diamond

EX • H/VS1 • HRD 260000028947

Certificate HRD 260000028947

Diamond specifications and retailer prices

From $486,496 AUD
£269,084 GBP
As of October 31, 2026
Save $135,034 AUD (22%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $621,530 AUD at Yorxs · As of October 30, 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 30, 2026, with prices from $486,496 to $621,530, a $135,034 spread on the same certified stone. Yorxs lists it at $621,530. 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
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Price History

Last verified: Oct 31
Current: $486,496 AUD|Low: $486,496 AUD|High: $621,530 AUD|Avg: $554,373 AUD|-0.9%
Retailer 1
Yorxs
October 31, 2026
Retailer 1$486,496 AUD
Yorxs$621,530 AUD

16 data points across 2 retailers

2 retailers$486,496 AUD to $621,530 AUD

A
Cheapest Retailer
-
$486,496 AUD
£269,084 GBP
Most Expensive
B+
Yorxs
622902752 · Oct 30
$621,530 AUD
€415,800 EUR
View
1 more retailer has this diamond
Prices start from $486,496 AUDSave up to $135,034 AUD

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
$486,496 AUD