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Round|Natural|GIA

1.03ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1528765589

Certificate GIA 1528765589

Diamond specifications and retailer prices

From £2,159 GBP
As of November 4, 2026
Save £2,077 GBP (49%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,236 GBP at NZ Jewellers · As of November 2, 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 1528765589. Listed at 20 retailers as of November 2, 2026, with prices from £2,159 to £4,236, a £2,077 spread on the same certified stone. NZ Jewellers lists it at £4,236. 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 angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1528765589
Dimensions6.59 × 6.58 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.59 mm6.58 mm1.03 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528765589
Side View
Table 60.0%Crown 33°Girdle: ThinPavilion 41.6°Culet: NoneDepth 60.0%

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: £2,793 GBP|Low: £2,219 GBP|High: £4,114 GBP|Avg: £2,710 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 7£2,219 GBP
Retailer 8£2,244 GBP
Retailer 2£2,270 GBP
Retailer 3£2,500 GBP
Retailer 9£2,597 GBP
Retailer 1£2,793 GBP
Retailer 4£2,839 GBP
Retailer 6£2,988 GBP
Retailer 5£4,065 GBP

36 data points across 9 retailers

20 retailers£2,159 GBP to £4,236 GBP

A
Cheapest Retailer
-
£2,159 GBP
A
Retailer 2
-
£2,214 GBP
View
A
Retailer 3
-
£2,219 GBP
View
A
Retailer 4
-
£2,244 GBP
View
Final sale: no returns
A
Retailer 5
-
£2,270 GBP
View
A
Retailer 6
-
£2,352 GBP
View
A
Retailer 7
-
£2,431 GBP
View
A
Retailer 8
-
£2,431 GBP
View
A
Retailer 9
-
£2,500 GBP
View
B+
Retailer 10
-
£2,525 GBP
View
B+
Retailer 11
-
£2,538 GBP
View
Retailer 12
-
£2,597 GBP
View
Price last confirmed 28 days ago
B+
Retailer 13
-
£2,697 GBP
View
B+
Retailer 14
-
£2,793 GBP
View
B+
Retailer 15
-
£2,805 GBP
View
B+
Retailer 16
-
£2,839 GBP
View
B+
Retailer 17
-
£2,988 GBP
View
B+
Retailer 18
-
£3,116 GBP
View
B
Retailer 19
-
£4,065 GBP
View
Most Expensive
B
NZ Jewellers
71a221f9-8076-4216-a57f-a79d6bf43424 · Nov 2
£4,236 GBP
$5,718 USD
View
19 more retailers have this diamond
Prices start from £2,159 GBPSave up to £2,077 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
£2,159 GBP