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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2546455359

Certificate GIA 2546455359

Diamond specifications and retailer prices

From £1,090 GBP
As of November 6, 2026
Save £1,014 GBP (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,104 GBP at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1ct natural round diamond

This 1ct 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 2546455359. Listed at 7 retailers as of November 6, 2026, with prices from £1,090 to £2,104, a £1,014 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,104. 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

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546455359
Dimensions6.33 × 6.37 × 4.02 mm
L/W Ratio1.01
Top View
6.33 mm6.37 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546455359
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.3%

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 6
Current: £1,093 GBP|Low: £1,090 GBP|High: £2,104 GBP|Avg: £1,444 GBP|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6£1,090 GBP
Retailer 1£1,093 GBP
Retailer 3£1,148 GBP
Retailer 2£1,513 GBP
Retailer 4£1,798 GBP
Retailer 5£1,866 GBP
Wholesale Diamonds Direct£2,104 GBP

38 data points across 7 retailers

7 retailers£1,090 GBP to £2,104 GBP

A
Cheapest Retailer
-
£1,090 GBP
A
Retailer 2
-
£1,093 GBP
View
A
Retailer 3
-
£1,148 GBP
View
A
Retailer 4
-
£1,513 GBP
View
A
Retailer 5
-
£1,798 GBP
View
A
Retailer 6
-
£1,866 GBP
View
Most Expensive
B+
Wholesale Diamonds Direct
642159496 · Nov 6
£2,104 GBP
$2,816 USD
View
6 more retailers have this diamond
Prices start from £1,090 GBPSave up to £1,014 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
1.00ct Round
£1,090 GBP