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Round|Natural|GIA

1.00ct F VS1 Round Natural Diamond

EX • F/VS1 • GIA 2557549525

Certificate GIA 2557549525

Diamond specifications and retailer prices

From £2,706 GBP
As of November 6, 2026
Save £3,652 GBP (57%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £6,358 GBP at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2557549525. Listed at 29 retailers as of November 6, 2026, with prices from £2,706 to £6,358, a £3,652 spread on the same certified stone. NZ Jewellers lists it at £6,358. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2557549525
Dimensions6.35 × 6.38 × 3.96 mm
L/W Ratio1.00
Girdle conditionSlightly Thick
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural, Natural
Top View
6.35 mm6.38 mm1.00 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557549525
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.1%

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: £6,358 GBP|Low: £2,706 GBP|High: £6,936 GBP|Avg: £4,037 GBP|-8.3%
NZ Jewellers
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 7, 2026
Retailer 10£2,706 GBP
Retailer 18£2,719 GBP
Retailer 19£3,224 GBP
Retailer 12£3,418 GBP
Retailer 3£3,440 GBP
Retailer 9£3,470 GBP
Retailer 14£3,570 GBP
Retailer 11£3,650 GBP
Retailer 16£3,650 GBP
Retailer 7£3,863 GBP
Retailer 15£3,871 GBP
Retailer 17£4,019 GBP
Retailer 5£4,046 GBP
Retailer 6£4,123 GBP
Retailer 8£4,211 GBP
Retailer 4£4,452 GBP
Retailer 2£4,580 GBP
Retailer 13£5,781 GBP
NZ Jewellers£6,358 GBP

16 data points across 19 retailers

29 retailers£2,706 GBP to £6,358 GBP

A
Cheapest Retailer
-
£2,706 GBP
A
Retailer 2
-
£2,719 GBP
View
A
Retailer 3
-
£2,981 GBP
View
A
Retailer 4
-
£3,018 GBP
View
B+
Retailer 5
-
£3,183 GBP
View
B+
Retailer 6
-
£3,224 GBP
View
B+
Retailer 7
-
£3,368 GBP
View
Final sale: no returns
B+
Retailer 8
-
£3,418 GBP
View
B+
Retailer 9
-
£3,437 GBP
View
B+
Retailer 10
-
£3,440 GBP
View
B+
Retailer 11
-
£3,470 GBP
View
B+
Retailer 12
-
£3,570 GBP
View
B+
Retailer 13
-
£3,650 GBP
View
Retailer 14
-
£3,650 GBP
View
Price last confirmed 9 days ago
Retailer 15
-
£3,697 GBP
View
Price last confirmed 34 days ago
B+
Retailer 16
-
£3,762 GBP
View
B+
Retailer 17
-
£3,780 GBP
View
B+
Retailer 18
-
£3,863 GBP
View
B+
Retailer 19
-
£3,871 GBP
View
B+
Retailer 20
-
£4,019 GBP
View
B+
Retailer 21
-
£4,046 GBP
View
B+
Retailer 22
-
£4,117 GBP
View
B+
Retailer 23
-
£4,123 GBP
View
B+
Retailer 24
-
£4,211 GBP
View
B+
Retailer 25
-
£4,235 GBP
View
B+
Retailer 26
-
£4,452 GBP
View
B+
Retailer 27
-
£4,580 GBP
View
B
Retailer 28
-
£5,781 GBP
View
Most Expensive
B
NZ Jewellers
f774ab97-55f1-4205-8f7e-33bae49ffed8 · Nov 7
£6,358 GBP
$8,510 USD
View
28 more retailers have this diamond
Prices start from £2,706 GBPSave up to £3,652 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
£2,706 GBP