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Round|Natural|GIA

2.51ct F VS1 Round Natural Diamond

EX • F/VS1 • GIA 2517483270

Certificate GIA 2517483270

Diamond specifications and retailer prices

From $50,544 AUD
$35,422 USD
As of November 2, 2026
Save $42,352 AUD (46%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $92,896 AUD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2517483270. Listed at 10 retailers as of November 2, 2026, with prices from $50,544 to $92,896, a $42,352 spread on the same certified stone. Diamond Quarter lists it at $92,896. 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2517483270
Dimensions8.62 × 8.68 × 5.42 mm
L/W Ratio1.01
Top View
8.62 mm8.68 mm2.51 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2517483270
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

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 2
Current: $55,135 AUD|Low: $50,544 AUD|High: $87,152 AUD|Avg: $60,846 AUD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$50,544 AUD
Retailer 9$51,616 AUD
Retailer 6$54,141 AUD
Retailer 8$54,291 AUD
Retailer 1$55,135 AUD
Retailer 10$57,437 AUD
Retailer 7$59,782 AUD
Retailer 4$63,598 AUD
Retailer 5$76,246 AUD
Retailer 3$86,116 AUD

36 data points across 10 retailers

10 retailers$50,544 AUD to $92,896 AUD

A
Cheapest Retailer
-
$50,544 AUD
$35,422 USD
Final sale: no returns
A
Retailer 2
-
$51,616 AUD
$36,174 USD
View
Retailer 3
-
$54,141 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
$54,291 AUD
$38,048 USD
View
B+
Retailer 5
-
$55,135 AUD
£30,425 GBP
View
B+
Retailer 6
-
$57,437 AUD
$40,253 USD
View
B+
Retailer 7
-
$63,598 AUD
€42,448 EUR
View
B
Retailer 8
-
$76,246 AUD
ZAR 863,246 ZAR
View
B
Retailer 9
-
$86,116 AUD
£47,521 GBP
View
Most Expensive
B
Diamond Quarter
2.51VS1F257027C9N · Nov 2
$92,896 AUD
£51,262 GBP
View
9 more retailers have this diamond
Prices start from $50,544 AUDSave up to $42,352 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
2.51ct Round
$50,544 AUD