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Oval|Natural|GIA

1.00ct E SI2 Oval Natural Diamond

ID • E/SI2 • GIA 1559701107

Certificate GIA 1559701107

Diamond specifications and retailer prices

From £1,664 GBP
As of November 6, 2026
Save £2,836 GBP (63%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,500 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 E 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 1559701107. Listed at 22 retailers as of November 5, 2026, with prices from £1,664 to £4,500, a £2,836 spread on the same certified stone. NZ Jewellers lists it at £4,500. 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
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.15°
Pavilion angle33.44°
OriginNatural
Grading LabGIA
CertificateGIA 1559701107
Dimensions7.71 × 5.53 × 3.27 mm
L/W Ratio1.39
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Cavity, Needle, Indented Natural
Top View
7.71 mm5.53 mm1.00 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559701107
Side View
Table 61.0%Crown 34.15°Girdle: VTK-ETKPavilion 33.44°Culet: NoneDepth 59.1%

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: £1,664 GBP|Low: £1,664 GBP|High: £3,638 GBP|Avg: £2,241 GBP|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 1£1,664 GBP
Retailer 9£1,664 GBP
Retailer 2£1,875 GBP
Retailer 6£1,904 GBP
Retailer 8£2,104 GBP
Retailer 3£2,116 GBP
Retailer 5£2,278 GBP
Retailer 10£2,318 GBP
Retailer 4£2,505 GBP
Retailer 7£3,599 GBP

25 data points across 10 retailers

22 retailers£1,664 GBP to £4,500 GBP

A
Cheapest Retailer
-
£1,664 GBP
A
Retailer 2
-
£1,664 GBP
View
A
Retailer 3
-
£1,838 GBP
View
A
Retailer 4
-
£1,875 GBP
View
A
Retailer 5
-
£1,904 GBP
View
A
Retailer 6
-
£1,927 GBP
View
A
Retailer 7
-
£1,986 GBP
View
Final sale: no returns
A
Retailer 8
-
£2,104 GBP
View
A
Retailer 9
-
£2,116 GBP
View
B+
Retailer 10
-
£2,152 GBP
View
Retailer 11
-
£2,152 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£2,235 GBP
View
B+
Retailer 13
-
£2,258 GBP
View
B+
Retailer 14
-
£2,278 GBP
View
B+
Retailer 15
-
£2,318 GBP
View
B+
Retailer 16
-
£2,318 GBP
View
B+
Retailer 17
-
£2,353 GBP
View
B+
Retailer 18
-
£2,483 GBP
View
B+
Retailer 19
-
£2,505 GBP
View
B
Retailer 20
-
£3,223 GBP
View
B
Retailer 21
-
£3,599 GBP
View
Most Expensive
B
NZ Jewellers
266ea106-245b-4ea0-8116-ba769b99acd8 · Nov 5
£4,500 GBP
$6,023 USD
View
21 more retailers have this diamond
Prices start from £1,664 GBPSave up to £2,836 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
£1,664 GBP