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Round|Natural|GIA

2.51ct F VS1 Round Natural Diamond

EX • F/VS1 • GIA 7501708013

Certificate GIA 7501708013

Diamond specifications and retailer prices

From $51,621 AUD
$36,177 USD
As of October 27, 2026
Save $34,968 AUD (40%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $86,590 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 7501708013. Listed at 15 retailers as of October 27, 2026, with prices from $51,621 to $86,590, a $34,968 spread on the same certified stone. Diamond Quarter lists it at $86,590. 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
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7501708013
Dimensions8.66 × 8.61 × 5.38 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Pinpoint
Top View
8.66 mm8.61 mm2.51 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7501708013
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 62.5%

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 27
Current: $63,617 AUD|Low: $49,345 AUD|High: $87,504 AUD|Avg: $60,246 AUD|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 28, 2026
Retailer 8$49,345 AUD
Retailer 10$51,621 AUD
Retailer 15$52,312 AUD
Retailer 2$55,056 AUD
Retailer 12$55,573 AUD
Retailer 9$56,074 AUD
Retailer 11$56,662 AUD
Retailer 5$58,246 AUD
Retailer 6$60,066 AUD
Retailer 7$60,187 AUD
Retailer 4$60,921 AUD
Retailer 1$63,617 AUD
Retailer 3$64,532 AUD
Retailer 13$65,421 AUD
Retailer 14$86,578 AUD

30 data points across 15 retailers

15 retailers$51,621 AUD to $86,590 AUD

A
Cheapest Retailer
-
$51,621 AUD
$36,177 USD
B+
Retailer 2
-
$52,312 AUD
CA$50,918 CAD
View
Retailer 3
-
$55,056 AUD
$38,584 USD
View
Price last confirmed 12 days ago
B+
Retailer 4
-
$55,573 AUD
£30,666 GBP
View
B+
Retailer 5
-
$56,074 AUD
$39,298 USD
View
B+
Retailer 6
-
$56,662 AUD
$39,710 USD
View
B+
Retailer 7
-
$58,246 AUD
$40,820 USD
View
B+
Retailer 8
-
$60,066 AUD
$42,096 USD
View
Retailer 9
-
$60,187 AUD
$42,180 USD
View
Price last confirmed 7 days ago
Retailer 10
-
$60,921 AUD
$42,695 USD
View
Price last confirmed 7 days ago
B
Retailer 11
-
$63,617 AUD
$44,584 USD
View
B+
Retailer 12
-
$64,532 AUD
$45,225 USD
View
Retailer 13
-
$65,421 AUD
€43,665 EUR
View
Price last confirmed 7 days ago
Retailer 14
-
$86,578 AUD
£47,776 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Diamond Quarter
2.51VS1F751318E7N · Nov 2
$86,590 AUD
£47,782 GBP
View
14 more retailers have this diamond
Prices start from $51,621 AUDSave up to $34,968 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
$51,621 AUD