Round|Natural|GIA

1.00ct K VVS1 Round Natural Diamond

EX • K/VVS1 • GIA 6411814190

Certificate GIA 6411814190

Diamond specifications and retailer prices

From £1,263 GBP
As of November 5, 2026
Save £887 GBP (41%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: £3,538 GBP at NZ Jewellers · As of October 23, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 6411814190. Listed at 28 retailers as of November 5, 2026, with a 70% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6411814190
Dimensions6.43 × 6.48 × 3.92 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Top View
6.43 mm6.48 mm1.00 ctK / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6411814190
Side View
Table 55.0%Crown 32.5°Girdle: THN-STKPavilion 40.8°Culet: Very SmallDepth 60.7%

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 5
Current: £2,150 GBP|Low: £1,263 GBP|High: £3,000 GBP|Avg: £1,901 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3£1,263 GBP
Retailer 10£1,529 GBP
Retailer 4£1,568 GBP
Retailer 8£1,693 GBP
Retailer 2£1,698 GBP
Retailer 5£1,846 GBP
Retailer 9£1,938 GBP
Retailer 7£2,060 GBP
Retailer 1£2,150 GBP
Retailer 6£2,980 GBP

44 data points across 10 retailers

28 retailers£1,263 GBP to £2,150 GBP

A
Cheapest Retailer
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£1,263 GBP
A
Retailer 2
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£1,529 GBP
View
A
Retailer 3
-
£1,568 GBP
View
Retailer 4
-
£1,693 GBP
View
Price last confirmed 12 days ago
Retailer 5
-
£1,693 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£1,693 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
£1,693 GBP
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Price last confirmed 21 days ago
Retailer 8
-
£1,693 GBP
View
Price last confirmed 36 days ago
Retailer 9
-
£1,693 GBP
View
Price last confirmed 23 days ago
Retailer 10
-
£1,698 GBP
View
Price last confirmed 6 days ago
Retailer 11
-
£1,699 GBP
View
Price last confirmed 44 days ago
Retailer 12
-
£1,771 GBP
View
Price last confirmed 8 days ago
Retailer 13
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£1,771 GBP
View
Price last confirmed 38 days ago
Retailer 14
-
£1,846 GBP
View
Price last confirmed 7 days ago
Retailer 15
-
£1,880 GBP
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£1,938 GBP
View
Retailer 17
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£1,953 GBP
View
Price last confirmed 38 days ago
Retailer 18
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£1,953 GBP
View
Price last confirmed 45 days ago
Retailer 19
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£1,953 GBP
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Price last confirmed 28 days ago
Retailer 20
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£1,953 GBP
View
Price last confirmed 24 days ago
Retailer 21
-
£2,060 GBP
View
Price last confirmed 11 days ago
B+
Retailer 22
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£2,150 GBP
View
Retailer 23
-
£2,980 GBP
View
Price last confirmed 8 days ago
Retailer 24
-
£3,538 GBP
View
Price last confirmed 34 days ago
Retailer 25
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£3,538 GBP
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Price last confirmed 46 days ago
Retailer 26
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£3,538 GBP
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Price last confirmed 41 days ago
Retailer 27
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£3,538 GBP
View
Price last confirmed 23 days ago
Most Expensive
NZ Jewellers
997287c7-1ce6-49cc-b285-87635956a067 · Oct 23
£3,538 GBP
$4,762 USD
View
Price last confirmed 13 days ago
27 more retailers have this diamond
Prices start from £1,263 GBPSave up to £887 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
£1,263 GBP