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Oval|Natural|GIA

1.00ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 1565399686

Certificate GIA 1565399686

Diamond specifications and retailer prices

From £1,299 GBP
As of November 6, 2026
Save £2,205 GBP (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,504 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural oval diamond

This 1ct natural oval sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565399686. Listed at 13 retailers as of November 5, 2026, with prices from £1,299 to £3,504, a £2,205 spread on the same certified stone. NZ Jewellers lists it at £3,504. 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

1.00
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1565399686
Dimensions7.59 × 5.42 × 3.47 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Cavity, Indented Natural, Natural
Top View
7.59 mm5.42 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1565399686
Side View
Table 61.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 63.9%

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 6
Current: £3,504 GBP|Low: £1,281 GBP|High: £3,567 GBP|Avg: £1,875 GBP|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2£1,299 GBP
Retailer 8£1,300 GBP
Retailer 12£1,528 GBP
Retailer 13£1,547 GBP
Retailer 6£1,647 GBP
Retailer 11£1,676 GBP
Retailer 5£1,678 GBP
Retailer 10£1,753 GBP
Retailer 4£1,804 GBP
Retailer 3£1,824 GBP
Retailer 9£1,934 GBP
Retailer 7£2,928 GBP
NZ Jewellers£3,504 GBP

29 data points across 13 retailers

13 retailers£1,299 GBP to £3,504 GBP

A
Cheapest Retailer
-
£1,299 GBP
A
Retailer 2
-
£1,300 GBP
View
Retailer 3
-
£1,528 GBP
View
Price last confirmed 9 days ago
A
Retailer 4
-
£1,547 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,647 GBP
View
A
Retailer 6
-
£1,676 GBP
View
A
Retailer 7
-
£1,678 GBP
View
A
Retailer 8
-
£1,753 GBP
View
Retailer 9
-
£1,804 GBP
View
Price last confirmed 10 days ago
A
Retailer 10
-
£1,824 GBP
View
B+
Retailer 11
-
£1,934 GBP
View
B
Retailer 12
-
£2,928 GBP
View
Most Expensive
B
NZ Jewellers
5c182554-5b7d-4edf-a858-5af110a0e07c · Nov 5
£3,504 GBP
$4,690 USD
View
12 more retailers have this diamond
Prices start from £1,299 GBPSave up to £2,205 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
£1,299 GBP