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Round|Natural|GIA

1.03ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 5456947021

Certificate GIA 5456947021

Diamond specifications and retailer prices

From £2,888 GBP
As of November 4, 2026
Save £3,763 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £7,683 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.03ct natural round diamond

This 1.03ct 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 5456947021. Listed at 17 retailers as of November 4, 2026, with a 130% 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

1.03
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5456947021
Dimensions6.46 × 6.43 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.46 mm6.43 mm1.03 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5456947021
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £4,466 GBP|Low: £2,422 GBP|High: £6,651 GBP|Avg: £4,073 GBP|+3.9%
Retailer 1
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
November 5, 2026
Retailer 3£2,781 GBP
Retailer 14£2,888 GBP
Retailer 6£2,967 GBP
Retailer 2£3,209 GBP
Retailer 15£3,496 GBP
Retailer 5£3,670 GBP
Retailer 7£3,726 GBP
Retailer 10£3,976 GBP
Retailer 12£4,207 GBP
Retailer 9£4,341 GBP
Retailer 1£4,466 GBP
Retailer 4£4,619 GBP
Retailer 8£4,852 GBP
Retailer 13£6,317 GBP
Retailer 11£6,651 GBP

39 data points across 15 retailers

17 retailers£2,888 GBP to £6,651 GBP

Retailer 1
-
£2,781 GBP
Price last confirmed 8 days ago
B+
Retailer 2
-
£2,888 GBP
View
B+
Retailer 3
-
£2,967 GBP
View
B+
Retailer 4
-
£3,209 GBP
View
B+
Retailer 5
-
£3,468 GBP
View
B
Retailer 6
-
£3,496 GBP
View
B+
Retailer 7
-
£3,670 GBP
View
Final sale: no returns
B
Retailer 8
-
£3,726 GBP
View
B
Retailer 9
-
£3,976 GBP
View
B
Retailer 10
-
£4,207 GBP
View
B
Retailer 11
-
£4,341 GBP
View
B
Retailer 12
-
£4,466 GBP
View
B
Retailer 13
-
£4,619 GBP
View
B
Retailer 14
-
£4,852 GBP
View
B
Retailer 15
-
£6,317 GBP
View
B
Retailer 16
-
£6,651 GBP
View
Most Expensive
Diamond Quarter
1.03VS1H54216A13N · Nov 5
£7,683 GBP
View
Price under review
16 more retailers have this diamond
Prices start from £2,888 GBPSave up to £3,763 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.

B+
1.03ct Round
£2,888 GBP