Oval|Natural|GIA

1.00ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 2225131680

Certificate GIA 2225131680

Diamond specifications and retailer prices

From £1,147 GBP
As of November 5, 2026
Save £2,241 GBP (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,387 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 2225131680. Listed at 18 retailers as of November 5, 2026, with prices from £1,147 to £3,387, a £2,241 spread on the same certified stone. NZ Jewellers lists it at £3,387. 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 2225131680
Dimensions7.41 × 5.49 × 3.74 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizeNone
Top View
7.41 mm5.49 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2225131680
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,420 GBP|Low: £1,180 GBP|High: £2,462 GBP|Avg: £1,614 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£1,180 GBP
Retailer 6£1,258 GBP
Retailer 1£1,420 GBP
Retailer 2£1,508 GBP
Retailer 3£1,895 GBP
Retailer 4£2,433 GBP

42 data points across 6 retailers

18 retailers£1,147 GBP to £3,387 GBP

A
Cheapest Retailer
-
£1,147 GBP
A
Retailer 2
-
£1,149 GBP
View
A
Retailer 3
-
£1,150 GBP
View
B+
Retailer 4
-
£1,180 GBP
View
B+
Retailer 5
-
£1,180 GBP
View
B+
Retailer 6
-
£1,225 GBP
View
Retailer 7
-
£1,258 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£1,258 GBP
View
B+
Retailer 9
-
£1,312 GBP
View
B+
Retailer 10
-
£1,316 GBP
View
B+
Retailer 11
-
£1,357 GBP
View
B+
Retailer 12
-
£1,393 GBP
View
B+
Retailer 13
-
£1,420 GBP
View
B+
Retailer 14
-
£1,452 GBP
View
B+
Retailer 15
-
£1,508 GBP
View
B
Retailer 16
-
£1,895 GBP
View
B
Retailer 17
-
£2,433 GBP
View
Most Expensive
C
NZ Jewellers
a392cc1f-5dca-4ee3-8507-4658eddea8bb · Nov 5
£3,387 GBP
$4,534 USD
View
17 more retailers have this diamond
Prices start from £1,147 GBPSave up to £2,241 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
£1,147 GBP