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Round|Natural|GIA

1.00ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 2566582741

Certificate GIA 2566582741

Diamond specifications and retailer prices

From £1,302 GBP
As of November 6, 2026
Save £2,301 GBP (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,604 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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2566582741. Listed at 21 retailers as of November 5, 2026, with prices from £1,302 to £3,604, a £2,301 spread on the same certified stone. NZ Jewellers lists it at £3,604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566582741
Dimensions6.35 × 6.38 × 3.99 mm
L/W Ratio1.00
Top View
6.35 mm6.38 mm1.00 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566582741
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.8°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 6
Current: £3,604 GBP|Low: £1,302 GBP|High: £3,635 GBP|Avg: £1,936 GBP|-0.9%
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
Retailer 20
Retailer 21
November 6, 2026
Retailer 7£1,302 GBP
Retailer 2£1,303 GBP
Retailer 9£1,516 GBP
Retailer 3£1,557 GBP
Retailer 13£1,603 GBP
Retailer 12£1,687 GBP
Retailer 19£1,724 GBP
Retailer 20£1,724 GBP
Retailer 11£1,739 GBP
Retailer 6£1,803 GBP
Retailer 14£1,825 GBP
Retailer 8£1,827 GBP
Retailer 21£1,862 GBP
Retailer 18£1,883 GBP
Retailer 15£1,976 GBP
Retailer 10£1,989 GBP
Retailer 17£2,028 GBP
Retailer 16£2,103 GBP
Retailer 5£2,515 GBP
Retailer 4£3,011 GBP
NZ Jewellers£3,604 GBP

17 data points across 21 retailers

21 retailers£1,302 GBP to £3,604 GBP

A
Cheapest Retailer
-
£1,302 GBP
A
Retailer 2
-
£1,303 GBP
View
A
Retailer 3
-
£1,516 GBP
View
A
Retailer 4
-
£1,557 GBP
View
A
Retailer 5
-
£1,603 GBP
View
B+
Retailer 6
-
£1,687 GBP
View
B+
Retailer 7
-
£1,724 GBP
View
B+
Retailer 8
-
£1,724 GBP
View
Retailer 9
-
£1,739 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£1,803 GBP
View
Retailer 11
-
£1,825 GBP
View
Price last confirmed 11 days ago
B+
Retailer 12
-
£1,827 GBP
View
B+
Retailer 13
-
£1,862 GBP
View
B+
Retailer 14
-
£1,883 GBP
View
B+
Retailer 15
-
£1,976 GBP
View
B+
Retailer 16
-
£1,989 GBP
View
B+
Retailer 17
-
£2,028 GBP
View
B+
Retailer 18
-
£2,103 GBP
View
B
Retailer 19
-
£2,515 GBP
View
B
Retailer 20
-
£3,011 GBP
View
Most Expensive
B
NZ Jewellers
25ac4ffb-22f4-41db-b017-69cb1d728d78 · Nov 5
£3,604 GBP
$4,850 USD
View
20 more retailers have this diamond
Prices start from £1,302 GBPSave up to £2,301 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
£1,302 GBP