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Oval|Natural|GIA

1.00ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 1565565808

Certificate GIA 1565565808

Diamond specifications and retailer prices

From £599 GBP
As of November 6, 2026
Save £1,632 GBP (73%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,231 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565565808. Listed at 19 retailers as of November 5, 2026, with prices from £599 to £2,231, a £1,632 spread on the same certified stone. NZ Jewellers lists it at £2,231. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565565808
Dimensions7.58 × 5.39 × 3.54 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Indented Natural, Knot, Feather, Crystal, Cavity, Needle, Natural
Top View
7.58 mm5.39 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565565808
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.6%

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: £2,231 GBP|Low: £599 GBP|High: £2,231 GBP|Avg: £889 GBP|+13.8%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
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Retailer 19
November 6, 2026
Retailer 2£599 GBP
Retailer 19£657 GBP
Retailer 8£685 GBP
Retailer 3£711 GBP
Retailer 5£711 GBP
Retailer 7£717 GBP
Retailer 18£725 GBP
Retailer 12£728 GBP
Retailer 4£739 GBP
Retailer 17£811 GBP
Retailer 10£817 GBP
Retailer 16£821 GBP
Retailer 11£823 GBP
Retailer 13£824 GBP
Retailer 9£829 GBP
Retailer 6£852 GBP
Retailer 15£1,000 GBP
Retailer 14£1,301 GBP
NZ Jewellers£2,231 GBP

19 data points across 19 retailers

19 retailers£599 GBP to £2,231 GBP

A
Cheapest Retailer
-
£599 GBP
A
Retailer 2
-
£657 GBP
View
Final sale: no returns
A
Retailer 3
-
£685 GBP
View
A
Retailer 4
-
£711 GBP
View
Retailer 5
-
£711 GBP
View
Price last confirmed 8 days ago
A
Retailer 6
-
£717 GBP
View
A
Retailer 7
-
£725 GBP
View
A
Retailer 8
-
£728 GBP
View
A
Retailer 9
-
£739 GBP
View
A
Retailer 10
-
£811 GBP
View
A
Retailer 11
-
£817 GBP
View
A
Retailer 12
-
£821 GBP
View
A
Retailer 13
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£823 GBP
View
A
Retailer 14
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£824 GBP
View
A
Retailer 15
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£829 GBP
View
A
Retailer 16
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£852 GBP
View
A
Retailer 17
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£1,000 GBP
View
B+
Retailer 18
-
£1,301 GBP
View
Most Expensive
C
NZ Jewellers
bc96672c-1312-4712-a0aa-e337e14ba2e0 · Nov 5
£2,231 GBP
$2,986 USD
View
18 more retailers have this diamond
Prices start from £599 GBPSave up to £1,632 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
£599 GBP