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Round|Natural|GIA

1.00ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 5221398547

Certificate GIA 5221398547

Diamond specifications and retailer prices

From £2,311 GBP
As of November 4, 2026
Save £3,112 GBP (57%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £5,423 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 5221398547. Listed at 25 retailers as of November 4, 2026, with prices from £2,311 to £5,423, a £3,112 spread on the same certified stone. Diamond Quarter lists it at £5,423. 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
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5221398547
Dimensions6.37 × 6.34 × 3.96 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.37 mm6.34 mm1.00 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5221398547
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 4
Current: £3,055 GBP|Low: £2,207 GBP|High: £5,167 GBP|Avg: £3,142 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4£2,311 GBP
Retailer 9£2,389 GBP
Retailer 12£2,456 GBP
Retailer 10£2,553 GBP
Retailer 3£2,872 GBP
Retailer 2£2,891 GBP
Retailer 1£3,055 GBP
Retailer 11£3,274 GBP
Retailer 7£3,341 GBP
Retailer 6£3,476 GBP
Retailer 5£3,727 GBP
Retailer 8£5,105 GBP

44 data points across 12 retailers

25 retailers£2,311 GBP to £5,423 GBP

A
Cheapest Retailer
-
£2,311 GBP
A
Retailer 2
-
£2,386 GBP
View
B+
Retailer 3
-
£2,456 GBP
View
B+
Retailer 4
-
£2,537 GBP
View
B+
Retailer 5
-
£2,553 GBP
View
Final sale: no returns
B+
Retailer 6
-
£2,652 GBP
View
B+
Retailer 7
-
£2,765 GBP
View
B+
Retailer 8
-
£2,766 GBP
View
B+
Retailer 9
-
£2,872 GBP
View
B+
Retailer 10
-
£3,055 GBP
View
B
Retailer 11
-
£3,128 GBP
View
B
Retailer 12
-
£3,128 GBP
View
B
Retailer 13
-
£3,137 GBP
View
B+
Retailer 14
-
£3,192 GBP
View
B+
Retailer 15
-
£3,232 GBP
View
B+
Retailer 16
-
£3,249 GBP
View
Retailer 17
-
£3,274 GBP
View
Price last confirmed 33 days ago
B+
Retailer 18
-
£3,341 GBP
View
Retailer 19
-
£3,455 GBP
View
Price last confirmed 14 days ago
B+
Retailer 20
-
£3,476 GBP
View
B
Retailer 21
-
£3,544 GBP
View
B
Retailer 22
-
£3,727 GBP
View
B
Retailer 23
-
£5,105 GBP
View
B
Retailer 24
-
£5,319 GBP
View
Most Expensive
B
Diamond Quarter
1.0VS1H52478242N · Nov 5
£5,423 GBP
View
24 more retailers have this diamond
Prices start from £2,311 GBPSave up to £3,112 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
£2,311 GBP