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Oval|Natural|GIA

1.25ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 5533379827

Certificate GIA 5533379827

Diamond specifications and retailer prices

From £1,409 GBP
As of November 3, 2026
Save £2,028 GBP (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,437 GBP at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.25ct natural oval diamond

This 1.25ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 5533379827. Listed at 6 retailers as of November 2, 2026, with prices from £1,409 to £3,437, a £2,028 spread on the same certified stone. NZ Jewellers lists it at £3,437. 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

1.25
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36.69°
OriginNatural
Grading LabGIA
CertificateGIA 5533379827
Dimensions8.72 × 5.81 × 3.71 mm
L/W Ratio1.50
Top View
8.72 mm5.81 mm1.25 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5533379827
Side View
Table 62.0%Crown 36.69°Girdle: Slightly ThickPavilionCulet: NoneDepth 63.8%

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 3
Current: £3,437 GBP|Low: £1,409 GBP|High: £3,495 GBP|Avg: £1,890 GBP|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5£1,409 GBP
Retailer 4£1,449 GBP
Retailer 6£1,494 GBP
Retailer 2£1,577 GBP
Retailer 9£1,612 GBP
Retailer 7£1,632 GBP
Retailer 8£1,792 GBP
Retailer 3£2,468 GBP
NZ Jewellers£3,437 GBP

26 data points across 9 retailers

6 retailers£1,409 GBP to £3,437 GBP

A
Cheapest Retailer
-
£1,409 GBP
A
Retailer 2
-
£1,449 GBP
View
A
Retailer 3
-
£1,494 GBP
View
A
Retailer 4
-
£1,577 GBP
View
B
Retailer 5
-
£2,468 GBP
View
Most Expensive
B
NZ Jewellers
176c73ce-8382-449c-8bd7-bf6eba6f8b56 · Nov 2
£3,437 GBP
$4,601 USD
View
5 more retailers have this diamond
Prices start from £1,409 GBPSave up to £2,028 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
1.25ct Oval
£1,409 GBP