Round|Natural|GIA

1.30ct F VS1 Round Natural Diamond

EX • F/VS1 • GIA 6425242851

Certificate GIA 6425242851

Diamond specifications and retailer prices

From £8,908 GBP
As of November 4, 2026
Save £6,064 GBP (41%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £18,993 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6425242851. Listed at 25 retailers as of October 31, 2026, with a 68% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6425242851
Dimensions7.05 × 7.01 × 4.26 mm
L/W Ratio1.01
Top View
7.05 mm7.01 mm1.30 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6425242851
Side View
Table 62.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £10,700 GBP|Low: £8,908 GBP|High: £16,109 GBP|Avg: £11,771 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3£8,908 GBP
Retailer 8£8,917 GBP
Retailer 7£9,766 GBP
Retailer 1£10,700 GBP
Retailer 9£10,871 GBP
Retailer 6£10,888 GBP
Retailer 4£12,288 GBP
Retailer 5£14,973 GBP
Retailer 2£15,874 GBP

45 data points across 9 retailers

25 retailers£8,908 GBP to £14,973 GBP

B+
Cheapest Retailer
-
£8,908 GBP
B
Retailer 2
-
£8,917 GBP
View
B
Retailer 3
-
£9,314 GBP
View
B
Retailer 4
-
£9,456 GBP
View
B
Retailer 5
-
£9,534 GBP
View
B
Retailer 6
-
£9,766 GBP
View
Final sale: no returns
B
Retailer 7
-
£10,012 GBP
View
Retailer 8
-
£10,192 GBP
View
Price last confirmed 8 days ago
B
Retailer 9
-
£10,700 GBP
View
B
Retailer 10
-
£10,871 GBP
View
Retailer 11
-
£10,888 GBP
View
Price last confirmed 8 days ago
B
Retailer 12
-
£11,041 GBP
View
Retailer 13
-
£11,466 GBP
View
Price last confirmed 60 days ago
B
Retailer 14
-
£11,466 GBP
View
B
Retailer 15
-
£11,598 GBP
View
B
Retailer 16
-
£11,598 GBP
View
B
Retailer 17
-
£11,942 GBP
View
B
Retailer 18
-
£11,984 GBP
View
B
Retailer 19
-
£12,231 GBP
View
B
Retailer 20
-
£12,288 GBP
View
Retailer 21
-
£14,439 GBP
View
Price last confirmed 66 days ago
B
Retailer 22
-
£14,439 GBP
View
B
Retailer 23
-
£14,973 GBP
View
Retailer 24
-
£15,874 GBP
View
Price under review
Most Expensive
Diamond Quarter
1.3VS1F6451110AN · Nov 5
£18,993 GBP
View
Price under review
24 more retailers have this diamond
Prices start from £8,908 GBPSave up to £6,064 GBP

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.

B+
1.30ct Round
£8,908 GBP