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Oval|Natural|GIA

1.03ct F SI1 Oval Natural Diamond

ID • F/SI1 • GIA 2558933235

Certificate GIA 2558933235

Diamond specifications and retailer prices

From £1,878 GBP
As of November 6, 2026
Save £346 GBP (16%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,224 GBP at Ritani · As of November 6, 2026
View at Ritani

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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2558933235. Listed at 2 retailers as of November 6, 2026, with prices from £1,878 to £2,224, a £346 spread on the same certified stone. Ritani lists it at £2,224. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2558933235
Dimensions5.70 × 5.66 × 3.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.70 mm5.66 mm1.03 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2558933235
Side View
Table 53.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,878 GBP|Low: £1,291 GBP|High: £2,224 GBP|Avg: £1,693 GBP
Retailer 1
Retailer 2
Retailer 3
Ritani
November 2, 2026
Retailer 2£1,291 GBP
Retailer 3£1,461 GBP
Retailer 1£1,878 GBP
Ritani£2,224 GBP

2 data points across 4 retailers

2 retailers£1,878 GBP to £2,224 GBP

A
Cheapest Retailer
-
£1,878 GBP
Most Expensive
B+
Ritani
D-5X1CRI5UR7 · Nov 6
£2,224 GBP
$2,977 USD
View
1 more retailer has this diamond
Prices start from £1,878 GBPSave up to £346 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 Oval
£1,878 GBP