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Oval|Natural|GIA

1.03ct F SI1 Oval Natural Diamond

F/SI1

Diamond specifications and retailer prices

From £1,418 GBP
As of November 3, 2026
Save £1,854 GBP (57%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,272 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.03ct natural oval diamond

This 1.03ct natural oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included) and certified by GIA. Listed at 5 retailers as of November 2, 2026, with prices from £1,418 to £3,272, a £1,854 spread on the same certified stone. NZ Jewellers lists it at £3,272. 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
F
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions6.32 × 5.27 × 3.64 mm
L/W Ratio1.20
Top View
6.32 mm5.27 mm1.03 ctF / SI1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 53.0%CrownGirdle: ETN-VTNPavilionCulet: Very LargeDepth 69.1%

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 3
Current: £3,272 GBP|Low: £1,418 GBP|High: £3,320 GBP|Avg: £1,970 GBP|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£1,418 GBP
Retailer 2£1,483 GBP
Retailer 3£1,636 GBP
Retailer 5£1,969 GBP
NZ Jewellers£3,272 GBP

3 data points across 5 retailers

5 retailers£1,418 GBP to £3,272 GBP

B+
Cheapest Retailer
-
£1,418 GBP
B+
Retailer 2
-
£1,483 GBP
View
B+
Retailer 3
-
£1,636 GBP
View
B
Retailer 4
-
£1,969 GBP
View
Most Expensive
C
NZ Jewellers
7fdb250c-d9c6-4ee9-9ee8-ef5f5948b802 · Nov 2
£3,272 GBP
$4,379 USD
View
4 more retailers have this diamond
Prices start from £1,418 GBPSave up to £1,854 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 Oval
£1,418 GBP