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1.51ct F IF Round Natural Diamond

EX • F/IF • GIA 7531030417

Certificate GIA 7531030417

Diamond specifications and retailer prices

From £7,847 GBP
As of November 5, 2026
Save £1,802 GBP (19%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £9,648 GBP at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7531030417. Listed at 7 retailers as of November 5, 2026, with prices from £7,847 to £9,648, a £1,802 spread on the same certified stone. Blue Nile lists it at £9,648. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7531030417
Dimensions7.30 × 7.25 × 4.57 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.30 mm7.25 mm1.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7531030417
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.7%

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 5
Current: £9,648 GBP|Low: £7,847 GBP|High: £10,154 GBP|Avg: £8,761 GBP|-5.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5£7,847 GBP
Retailer 3£8,008 GBP
Retailer 2£8,067 GBP
Retailer 6£8,317 GBP
Retailer 4£8,849 GBP
Retailer 7£8,918 GBP
Blue Nile£9,648 GBP

32 data points across 7 retailers

7 retailers£7,847 GBP to £9,648 GBP

A
Cheapest Retailer
-
£7,847 GBP
A
Retailer 2
-
£8,008 GBP
View
A
Retailer 3
-
£8,067 GBP
View
A
Retailer 4
-
£8,317 GBP
View
A
Retailer 5
-
£8,849 GBP
View
A
Retailer 6
-
£8,918 GBP
View
Most Expensive
A
Blue Nile
26140643 · Nov 5
£9,648 GBP
$12,986 USD
View
6 more retailers have this diamond
Prices start from £7,847 GBPSave up to £1,802 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.

A
1.51ct Round
£7,847 GBP