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Oval|Natural|GIA

1.00ct F SI1 Oval Natural Diamond

ID • F/SI1 • GIA 2564675807

Certificate GIA 2564675807

Diamond specifications and retailer prices

From £1,459 GBP
HK$15,300 HKD
As of November 1, 2026
Save £2,597 GBP (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £4,056 GBP at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2564675807. Listed at 21 retailers as of October 30, 2026, with prices from £1,459 to £4,056, a £2,597 spread on the same certified stone. NZ Jewellers lists it at £4,056. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2564675807
Dimensions7.78 × 5.51 × 3.51 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Top View
7.78 mm5.51 mm1.00 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2564675807
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.8%

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 1
Current: £4,056 GBP|Low: £1,440 GBP|High: £4,056 GBP|Avg: £2,132 GBP
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 17£1,459 GBP
Retailer 2£1,471 GBP
Retailer 19£1,710 GBP
Retailer 8£1,754 GBP
Retailer 5£1,790 GBP
Retailer 18£1,833 GBP
Retailer 3£1,868 GBP
Retailer 13£1,892 GBP
Retailer 7£1,940 GBP
Retailer 20£1,957 GBP
Retailer 6£2,014 GBP
Retailer 12£2,027 GBP
Retailer 15£2,093 GBP
Retailer 4£2,239 GBP
Retailer 11£2,247 GBP
Retailer 10£2,297 GBP
Retailer 14£2,422 GBP
Retailer 9£2,820 GBP
Retailer 16£3,398 GBP
NZ Jewellers£4,056 GBP

14 data points across 20 retailers

21 retailers£1,459 GBP to £4,056 GBP

A
Cheapest Retailer
-
£1,459 GBP
HK$15,300 HKD
A
Retailer 2
-
£1,471 GBP
₹188,058 INR
View
A
Retailer 3
-
£1,657 GBP
SGD 3,005 SGD
View
A
Retailer 4
-
£1,710 GBP
$2,295 USD
View
A
Retailer 5
-
£1,754 GBP
$2,354 USD
View
A
Retailer 6
-
£1,782 GBP
$2,391 USD
View
B+
Retailer 7
-
£1,790 GBP
$2,402 USD
View
Final sale: no returns
A
Retailer 8
-
£1,833 GBP
$2,460 USD
View
A
Retailer 9
-
£1,868 GBP
$2,507 USD
View
A
Retailer 10
-
£1,892 GBP
View
B+
Retailer 11
-
£1,940 GBP
$2,603 USD
View
Retailer 12
-
£1,957 GBP
€2,501 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£2,014 GBP
$2,703 USD
View
B+
Retailer 14
-
£2,027 GBP
SGD 3,676 SGD
View
B+
Retailer 15
-
£2,093 GBP
View
B+
Retailer 16
-
£2,239 GBP
$3,004 USD
View
B+
Retailer 17
-
£2,247 GBP
$3,016 USD
View
B+
Retailer 18
-
£2,422 GBP
€3,095 EUR
View
B
Retailer 19
-
£2,820 GBP
$3,784 USD
View
B
Retailer 20
-
£3,398 GBP
View
Most Expensive
B
NZ Jewellers
aa6e41ed-53ce-4405-8c52-30bc18e4102d · Oct 30
£4,056 GBP
$5,443 USD
View
20 more retailers have this diamond
Prices start from £1,459 GBPSave up to £2,597 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
£1,459 GBP