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Round|Natural|GIA

1.01ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2517963986

Certificate GIA 2517963986

Diamond specifications and retailer prices

From £1,214 GBP
As of November 5, 2026
Save £1,557 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,307 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2517963986. Listed at 19 retailers as of November 2, 2026, with a 128% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2517963986
Dimensions6.41 × 6.38 × 3.99 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.41 mm6.38 mm1.01 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2517963986
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: £2,156 GBP|Low: £1,204 GBP|High: £2,805 GBP|Avg: £1,714 GBP|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9£1,214 GBP
Retailer 3£1,267 GBP
Retailer 4£1,430 GBP
Retailer 2£1,460 GBP
Retailer 7£1,485 GBP
Retailer 10£1,494 GBP
Retailer 5£1,684 GBP
Retailer 6£1,708 GBP
Retailer 1£2,156 GBP
Retailer 8£2,771 GBP

39 data points across 10 retailers

19 retailers£1,214 GBP to £2,771 GBP

A
Cheapest Retailer
-
£1,214 GBP
A
Retailer 2
-
£1,267 GBP
View
A
Retailer 3
-
£1,430 GBP
View
A
Retailer 4
-
£1,460 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,485 GBP
View
A
Retailer 6
-
£1,494 GBP
View
A
Retailer 7
-
£1,512 GBP
View
A
Retailer 8
-
£1,576 GBP
View
Retailer 9
-
£1,582 GBP
View
Price last confirmed 39 days ago
Retailer 10
-
£1,582 GBP
View
Price last confirmed 17 days ago
Retailer 11
-
£1,582 GBP
View
Price last confirmed 21 days ago
Retailer 12
-
£1,655 GBP
View
Price last confirmed 38 days ago
A
Retailer 13
-
£1,684 GBP
View
A
Retailer 14
-
£1,708 GBP
View
Retailer 15
-
£1,825 GBP
View
Price last confirmed 38 days ago
B+
Retailer 16
-
£2,156 GBP
View
B+
Retailer 17
-
£2,771 GBP
View
Retailer 18
-
£3,307 GBP
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
e2210c05-d76a-4287-ad24-933521afcda8 · Sep 28
£3,307 GBP
$4,426 USD
View
Price last confirmed 39 days ago
18 more retailers have this diamond
Prices start from £1,214 GBPSave up to £1,557 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
1.01ct Round
£1,214 GBP