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Round|Natural|GIA

1.03ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 6565443990

Certificate GIA 6565443990

Diamond specifications and retailer prices

From £863 GBP
As of November 4, 2026
Save £4,303 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,165 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6565443990. Listed at 14 retailers as of November 2, 2026, with prices from £863 to £5,165, a £4,303 spread on the same certified stone. MOH London lists it at £5,165. 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
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565443990
Dimensions6.21 × 6.30 × 4.02 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.21 mm6.30 mm1.03 ctI / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565443990
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.3%

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: £5,165 GBP|Low: £863 GBP|High: £5,165 GBP|Avg: £1,794 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
November 5, 2026
Retailer 8£863 GBP
Retailer 4£1,014 GBP
Retailer 5£1,174 GBP
Retailer 6£1,270 GBP
Retailer 7£1,438 GBP
Retailer 2£1,477 GBP
Retailer 3£2,661 GBP
Retailer 13£2,809 GBP
Retailer 9£2,851 GBP
Retailer 12£2,930 GBP
Retailer 10£3,089 GBP
Retailer 14£3,089 GBP
Retailer 11£3,564 GBP
MOH London£5,165 GBP

21 data points across 14 retailers

14 retailers£863 GBP to £5,165 GBP

A
Cheapest Retailer
-
£863 GBP
A
Retailer 2
-
£1,014 GBP
View
A
Retailer 3
-
£1,174 GBP
View
A
Retailer 4
-
£1,270 GBP
View
B+
Retailer 5
-
£1,438 GBP
View
A
Retailer 6
-
£1,477 GBP
View
B
Retailer 7
-
£2,661 GBP
View
B
Retailer 8
-
£2,809 GBP
View
B
Retailer 9
-
£2,851 GBP
View
Final sale: no returns
B
Retailer 10
-
£2,930 GBP
View
B
Retailer 11
-
£3,089 GBP
View
B
Retailer 12
-
£3,089 GBP
View
B
Retailer 13
-
£3,564 GBP
View
Most Expensive
C
MOH London
9D8744EC7 · Nov 2
£5,165 GBP
View
13 more retailers have this diamond
Prices start from £863 GBPSave up to £4,303 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
£863 GBP