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Oval|Natural|GIA

1.00ct D IF Oval Natural Diamond

EX • D/IF • GIA 2557625125

Certificate GIA 2557625125

Diamond specifications and retailer prices

From £3,548 GBP
As of November 4, 2026
Save £1,266 GBP (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,814 GBP at Blue Nile · As of November 3, 2026
View at Blue Nile

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557625125. Listed at 9 retailers as of November 3, 2026, with prices from £3,548 to £4,814, a £1,266 spread on the same certified stone. Blue Nile lists it at £4,814. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2557625125
Dimensions7.43 × 5.52 × 3.66 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.43 mm5.52 mm1.00 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557625125
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.3%

Caratlytics Score

How it works →
A+
Exceptional
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: £4,814 GBP|Low: £3,543 GBP|High: £5,104 GBP|Avg: £4,300 GBP|-2.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 4£3,548 GBP
Retailer 5£3,927 GBP
Retailer 6£4,097 GBP
Retailer 7£4,231 GBP
Retailer 2£4,250 GBP
Retailer 8£4,315 GBP
Retailer 3£4,745 GBP
Blue Nile£4,814 GBP

32 data points across 8 retailers

9 retailers£3,548 GBP to £4,814 GBP

A+
Cheapest Retailer
-
£3,548 GBP
A
Retailer 2
-
£3,927 GBP
View
A
Retailer 3
-
£4,097 GBP
View
A
Retailer 4
-
£4,231 GBP
View
Final sale: no returns
A
Retailer 5
-
£4,250 GBP
View
A
Retailer 6
-
£4,315 GBP
View
A
Retailer 7
-
£4,486 GBP
View
A
Retailer 8
-
£4,745 GBP
View
Most Expensive
A
Blue Nile
29536732 · Nov 3
£4,814 GBP
$6,499 USD
View
8 more retailers have this diamond
Prices start from £3,548 GBPSave up to £1,266 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+
1.00ct Oval
£3,548 GBP