Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5563294960

Certificate GIA 5563294960

Diamond specifications and retailer prices

From £2,123 GBP
As of November 6, 2026
Save £2,674 GBP (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £4,796 GBP at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563294960. Listed at 24 retailers as of November 5, 2026, with prices from £2,123 to £4,796, a £2,674 spread on the same certified stone. NZ Jewellers lists it at £4,796. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5563294960
Dimensions6.38 × 6.42 × 3.92 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud
Top View
6.38 mm6.42 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563294960
Side View
Table 60.0%Crown 33.5°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £4,796 GBP|Low: £2,104 GBP|High: £4,796 GBP|Avg: £3,080 GBP
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 24
November 6, 2026
Retailer 3£2,123 GBP
Retailer 20£2,126 GBP
Retailer 7£2,380 GBP
Retailer 21£2,428 GBP
Retailer 12£2,444 GBP
Retailer 10£2,541 GBP
Retailer 2£2,634 GBP
Retailer 8£2,641 GBP
Retailer 13£2,678 GBP
Retailer 6£2,753 GBP
Retailer 9£2,757 GBP
Retailer 23£2,832 GBP
Retailer 5£2,858 GBP
Retailer 4£2,861 GBP
Retailer 16£2,986 GBP
Retailer 22£3,106 GBP
Retailer 19£3,168 GBP
Retailer 11£3,177 GBP
Retailer 17£3,283 GBP
Retailer 18£3,360 GBP
Retailer 14£3,999 GBP
Retailer 15£4,111 GBP
Retailer 24£4,591 GBP
NZ Jewellers£4,796 GBP

22 data points across 24 retailers

24 retailers£2,123 GBP to £4,796 GBP

A
Cheapest Retailer
-
£2,123 GBP
A
Retailer 2
-
£2,126 GBP
View
B+
Retailer 3
-
£2,380 GBP
View
B+
Retailer 4
-
£2,428 GBP
View
B+
Retailer 5
-
£2,444 GBP
View
B+
Retailer 6
-
£2,541 GBP
View
Final sale: no returns
B+
Retailer 7
-
£2,634 GBP
View
B+
Retailer 8
-
£2,641 GBP
View
B+
Retailer 9
-
£2,678 GBP
View
B+
Retailer 10
-
£2,753 GBP
View
B+
Retailer 11
-
£2,757 GBP
View
B+
Retailer 12
-
£2,832 GBP
View
B+
Retailer 13
-
£2,858 GBP
View
B+
Retailer 14
-
£2,861 GBP
View
B+
Retailer 15
-
£2,986 GBP
View
Retailer 16
-
£3,047 GBP
View
Price last confirmed 29 days ago
B+
Retailer 17
-
£3,106 GBP
View
B+
Retailer 18
-
£3,168 GBP
View
B
Retailer 19
-
£3,177 GBP
View
B
Retailer 20
-
£3,360 GBP
View
B
Retailer 21
-
£3,999 GBP
View
B
Retailer 22
-
£4,111 GBP
View
B
Retailer 23
-
£4,591 GBP
View
Most Expensive
B
NZ Jewellers
8b3441bb-feea-4e8c-9245-7f4360a3473d · Nov 5
£4,796 GBP
$6,420 USD
View
23 more retailers have this diamond
Prices start from £2,123 GBPSave up to £2,674 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
£2,123 GBP