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Round|Natural|GIA

1.00ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 2558891992

Certificate GIA 2558891992

Diamond specifications and retailer prices

From £2,006 GBP
As of November 5, 2026
Save £1,391 GBP (41%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £4,284 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2558891992. Listed at 25 retailers as of November 5, 2026, with a 69% 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
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2558891992
Dimensions6.43 × 6.44 × 3.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Natural
Top View
6.43 mm6.44 mm1.00 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2558891992
Side View
Table 60.0%Crown 33.5°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 60.4%

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 5
Current: £4,284 GBP|Low: £1,927 GBP|High: £4,312 GBP|Avg: £2,771 GBP|-0.4%
MOH London
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
November 6, 2026
Retailer 7£1,938 GBP
Retailer 17£2,006 GBP
Retailer 2£2,192 GBP
Retailer 13£2,210 GBP
Retailer 6£2,215 GBP
Retailer 12£2,463 GBP
Retailer 4£2,701 GBP
Retailer 10£2,725 GBP
Retailer 5£2,727 GBP
Retailer 16£2,727 GBP
Retailer 9£2,732 GBP
Retailer 11£2,906 GBP
Retailer 8£2,937 GBP
Retailer 14£3,071 GBP
Retailer 15£3,233 GBP
Retailer 3£3,397 GBP
MOH London£4,284 GBP

29 data points across 17 retailers

25 retailers£2,006 GBP to £3,397 GBP

Retailer 1
-
£1,938 GBP
Price last confirmed 9 days ago
A
Retailer 2
-
£2,006 GBP
View
A
Retailer 3
-
£2,192 GBP
View
A
Retailer 4
-
£2,210 GBP
View
A
Retailer 5
-
£2,215 GBP
View
Final sale: no returns
Retailer 6
-
£2,240 GBP
View
Price last confirmed 15 days ago
Retailer 7
-
£2,349 GBP
View
Price last confirmed 12 days ago
B+
Retailer 8
-
£2,463 GBP
View
Retailer 9
-
£2,548 GBP
View
Price last confirmed 28 days ago
Retailer 10
-
£2,563 GBP
View
Price last confirmed 11 days ago
Retailer 11
-
£2,644 GBP
View
Price last confirmed 12 days ago
Retailer 12
-
£2,646 GBP
View
Price last confirmed 38 days ago
B+
Retailer 13
-
£2,701 GBP
View
B+
Retailer 14
-
£2,725 GBP
View
B+
Retailer 15
-
£2,727 GBP
View
B+
Retailer 16
-
£2,727 GBP
View
Retailer 17
-
£2,732 GBP
View
Price last confirmed 33 days ago
Retailer 18
-
£2,802 GBP
View
Price last confirmed 12 days ago
B+
Retailer 19
-
£2,906 GBP
View
Retailer 20
-
£2,940 GBP
View
Price last confirmed 28 days ago
Retailer 21
-
£2,969 GBP
View
Price last confirmed 48 days ago
B
Retailer 22
-
£3,071 GBP
View
B+
Retailer 23
-
£3,233 GBP
View
B
Retailer 24
-
£3,397 GBP
View
Most Expensive
MOH London
B0C777A9D · Oct 21
£4,284 GBP
View
Price last confirmed 15 days ago
24 more retailers have this diamond
Prices start from £2,006 GBPSave up to £1,391 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
£2,006 GBP