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Oval|Natural|GIA

1.00ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 5503173074

Certificate GIA 5503173074

Diamond specifications and retailer prices

From £1,062 GBP
As of November 6, 2026
Save £2,548 GBP (71%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £3,611 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5503173074. Listed at 17 retailers as of November 5, 2026, with prices from £1,062 to £3,611, a £2,548 spread on the same certified stone. NZ Jewellers lists it at £3,611. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5503173074
Dimensions7.87 × 5.62 × 3.37 mm
L/W Ratio1.40
Top View
7.87 mm5.62 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5503173074
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.9%

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 6
Current: £1,062 GBP|Low: £1,062 GBP|High: £1,813 GBP|Avg: £1,438 GBP|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1£1,062 GBP
Retailer 6£1,080 GBP
Retailer 8£1,337 GBP
Retailer 7£1,378 GBP
Retailer 5£1,418 GBP
Retailer 2£1,436 GBP
Retailer 3£1,498 GBP
Retailer 4£1,747 GBP
Retailer 9£1,813 GBP

35 data points across 9 retailers

17 retailers£1,062 GBP to £3,611 GBP

A
Cheapest Retailer
-
£1,062 GBP
A
Retailer 2
-
£1,080 GBP
View
B+
Retailer 3
-
£1,298 GBP
View
B+
Retailer 4
-
£1,337 GBP
View
B+
Retailer 5
-
£1,378 GBP
View
B+
Retailer 6
-
£1,418 GBP
View
B+
Retailer 7
-
£1,436 GBP
View
Retailer 8
-
£1,481 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£1,481 GBP
View
B+
Retailer 10
-
£1,498 GBP
View
B+
Retailer 11
-
£1,509 GBP
View
B
Retailer 12
-
£1,549 GBP
View
B
Retailer 13
-
£1,620 GBP
View
B+
Retailer 14
-
£1,708 GBP
View
B+
Retailer 15
-
£1,747 GBP
View
B
Retailer 16
-
£2,457 GBP
View
Most Expensive
B
NZ Jewellers
eddc7893-2bdf-4d75-8ab3-61a8de7d40d1 · Nov 5
£3,611 GBP
$4,833 USD
View
16 more retailers have this diamond
Prices start from £1,062 GBPSave up to £2,548 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
£1,062 GBP