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Round|Natural|GIA

1.03ct J VS1 Round Natural Diamond

EX • J/VS1 • GIA 1563617920

Certificate GIA 1563617920

Diamond specifications and retailer prices

From £1,525 GBP
As of November 3, 2026
Save £2,551 GBP (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,859 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1563617920. Listed at 16 retailers as of November 1, 2026, with a 167% 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
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563617920
Dimensions6.46 × 6.47 × 4.00 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.46 mm6.47 mm1.03 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563617920
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.8%

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 3
Current: £5,859 GBP|Low: £1,525 GBP|High: £5,859 GBP|Avg: £2,673 GBP
MOH London
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 3, 2026
Retailer 2£1,525 GBP
Retailer 13£1,772 GBP
Retailer 6£2,073 GBP
Retailer 7£2,190 GBP
Retailer 9£2,369 GBP
Retailer 8£2,439 GBP
Retailer 5£2,470 GBP
Retailer 15£3,307 GBP
Retailer 3£3,395 GBP
Retailer 11£3,441 GBP
Retailer 14£3,462 GBP
Retailer 10£3,679 GBP
Retailer 4£3,802 GBP
Retailer 12£4,076 GBP
MOH London£5,859 GBP

11 data points across 15 retailers

16 retailers£1,525 GBP to £4,076 GBP

A
Cheapest Retailer
-
£1,525 GBP
B+
Retailer 2
-
£1,710 GBP
View
B+
Retailer 3
-
£1,772 GBP
View
B+
Retailer 4
-
£2,073 GBP
View
B
Retailer 5
-
£2,190 GBP
View
B+
Retailer 6
-
£2,369 GBP
View
B+
Retailer 7
-
£2,439 GBP
View
Retailer 8
-
£2,470 GBP
View
Price last confirmed 11 days ago
B
Retailer 9
-
£3,307 GBP
View
B
Retailer 10
-
£3,395 GBP
View
Final sale: no returns
B
Retailer 11
-
£3,441 GBP
View
B
Retailer 12
-
£3,462 GBP
View
B
Retailer 13
-
£3,679 GBP
View
B
Retailer 14
-
£3,802 GBP
View
B
Retailer 15
-
£4,076 GBP
View
Most Expensive
MOH London
A6262B5BB · Nov 2
£5,859 GBP
View
Price under review
15 more retailers have this diamond
Prices start from £1,525 GBPSave up to £2,551 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
£1,525 GBP