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Round|Natural|GIA

1.03ct H VS1 Round Natural Diamond

GD • H/VS1 • GIA 1303431297

Certificate GIA 1303431297

Diamond specifications and retailer prices

From £2,880 GBP
As of November 4, 2026
Save £3,801 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £6,681 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 standard cut grade and certified by GIA 1303431297. Listed at 18 retailers as of November 4, 2026, with prices from £2,880 to £6,681, a £3,801 spread on the same certified stone. Diamond Quarter lists it at £6,681. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
H
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 1303431297
Dimensions6.20 × 6.16 × 4.06 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.20 mm6.16 mm1.03 ctH / VS1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1303431297
Side View
Table 58.0%Crown 38°Girdle: Very ThickPavilion 40.4°Culet: NoneDepth 65.7%

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: £4,407 GBP|Low: £2,769 GBP|High: £5,823 GBP|Avg: £3,705 GBP|+1.4%
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 5, 2026
Retailer 3£2,880 GBP
Retailer 9£2,913 GBP
Retailer 10£3,021 GBP
Retailer 2£3,101 GBP
Retailer 12£3,102 GBP
Retailer 4£3,273 GBP
Retailer 7£3,534 GBP
Retailer 11£3,641 GBP
Retailer 6£4,005 GBP
Retailer 5£4,057 GBP
Retailer 1£4,407 GBP
Retailer 8£5,737 GBP

43 data points across 12 retailers

18 retailers£2,880 GBP to £6,681 GBP

B+
Cheapest Retailer
-
£2,880 GBP
B+
Retailer 2
-
£2,913 GBP
View
B
Retailer 3
-
£3,021 GBP
View
Final sale: no returns
B
Retailer 4
-
£3,101 GBP
View
B
Retailer 5
-
£3,102 GBP
View
Retailer 6
-
£3,273 GBP
View
Price last confirmed 8 days ago
B
Retailer 7
-
£3,273 GBP
View
B
Retailer 8
-
£3,273 GBP
View
B
Retailer 9
-
£3,534 GBP
View
Retailer 10
-
£3,641 GBP
View
Price last confirmed 28 days ago
B
Retailer 11
-
£3,777 GBP
View
Retailer 12
-
£3,989 GBP
View
Price last confirmed 14 days ago
B
Retailer 13
-
£4,005 GBP
View
B
Retailer 14
-
£4,057 GBP
View
B
Retailer 15
-
£4,407 GBP
View
B
Retailer 16
-
£5,737 GBP
View
C
Retailer 17
-
£6,294 GBP
View
Most Expensive
C
Diamond Quarter
1.03VS1H13970CBBN · Nov 5
£6,681 GBP
View
17 more retailers have this diamond
Prices start from £2,880 GBPSave up to £3,801 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
£2,880 GBP