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Round|Natural|GIA

1.03ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1537383207

Certificate GIA 1537383207

Diamond specifications and retailer prices

From £1,896 GBP
As of November 4, 2026
Save £2,454 GBP (56%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £4,350 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1537383207. Listed at 26 retailers as of November 4, 2026, with prices from £1,896 to £4,350, a £2,454 spread on the same certified stone. NZ Jewellers lists it at £4,350. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1537383207
Dimensions6.42 × 6.45 × 4.03 mm
L/W Ratio1.00
Girdle conditionMedium
Key to symbols
Crystal, Feather, Needle, Pinpoint
Top View
6.42 mm6.45 mm1.03 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1537383207
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.6%

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: £4,350 GBP|Low: £1,849 GBP|High: £4,350 GBP|Avg: £2,600 GBP|+1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
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Retailer 22
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Retailer 24
November 5, 2026
Retailer 21£1,896 GBP
Retailer 14£1,934 GBP
Retailer 5£2,026 GBP
Retailer 8£2,056 GBP
Retailer 3£2,087 GBP
Retailer 4£2,088 GBP
Retailer 24£2,204 GBP
Retailer 17£2,233 GBP
Retailer 16£2,237 GBP
Retailer 11£2,262 GBP
Retailer 19£2,331 GBP
Retailer 20£2,349 GBP
Retailer 2£2,568 GBP
Retailer 6£2,570 GBP
Retailer 12£2,570 GBP
Retailer 23£2,610 GBP
Retailer 22£2,659 GBP
Retailer 7£2,745 GBP
Retailer 18£2,887 GBP
Retailer 9£2,964 GBP
Retailer 15£3,029 GBP
Retailer 10£3,206 GBP
Retailer 13£4,164 GBP
NZ Jewellers£4,350 GBP

22 data points across 24 retailers

26 retailers£1,896 GBP to £4,350 GBP

A
Cheapest Retailer
-
£1,896 GBP
A
Retailer 2
-
£1,934 GBP
View
A
Retailer 3
-
£2,026 GBP
View
A
Retailer 4
-
£2,056 GBP
View
A
Retailer 5
-
£2,087 GBP
View
A
Retailer 6
-
£2,088 GBP
View
Final sale: no returns
A
Retailer 7
-
£2,204 GBP
View
A
Retailer 8
-
£2,233 GBP
View
A
Retailer 9
-
£2,237 GBP
View
A
Retailer 10
-
£2,262 GBP
View
A
Retailer 11
-
£2,331 GBP
View
A
Retailer 12
-
£2,349 GBP
View
B+
Retailer 13
-
£2,568 GBP
View
B+
Retailer 14
-
£2,570 GBP
View
B+
Retailer 15
-
£2,570 GBP
View
B+
Retailer 16
-
£2,610 GBP
View
Retailer 17
-
£2,644 GBP
View
Price last confirmed 29 days ago
B+
Retailer 18
-
£2,659 GBP
View
B+
Retailer 19
-
£2,745 GBP
View
Retailer 20
-
£2,870 GBP
View
Price last confirmed 13 days ago
B+
Retailer 21
-
£2,887 GBP
View
B+
Retailer 22
-
£2,964 GBP
View
B+
Retailer 23
-
£3,029 GBP
View
B+
Retailer 24
-
£3,206 GBP
View
B
Retailer 25
-
£4,164 GBP
View
Most Expensive
B
NZ Jewellers
54bff35d-2af1-4f81-ab89-434d90e1d1dc · Nov 5
£4,350 GBP
$5,873 USD
View
25 more retailers have this diamond
Prices start from £1,896 GBPSave up to £2,454 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
1.03ct Round
£1,896 GBP