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Oval|Natural|GIA

1.25ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 5536545417

Certificate GIA 5536545417

Diamond specifications and retailer prices

From £1,233 GBP
As of November 6, 2026
Save £2,270 GBP (65%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,504 GBP at NZ Jewellers · As of November 5, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536545417. Listed at 13 retailers as of November 5, 2026, with prices from £1,233 to £3,504, a £2,270 spread on the same certified stone. NZ Jewellers lists it at £3,504. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle39.02°
OriginNatural
Grading LabGIA
CertificateGIA 5536545417
Dimensions8.39 × 6.04 × 3.82 mm
L/W Ratio1.39
Top View
8.39 mm6.04 mm1.25 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5536545417
Side View
Table 59.0%CrownGirdle: THK-VTKPavilion 39.02°Culet: NoneDepth 63.2%

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: £3,504 GBP|Low: £1,233 GBP|High: £3,859 GBP|Avg: £2,138 GBP|-9.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11£1,233 GBP
Retailer 3£1,611 GBP
Retailer 4£1,623 GBP
Retailer 2£1,626 GBP
Retailer 12£1,677 GBP
Retailer 5£1,713 GBP
Retailer 10£1,753 GBP
Retailer 9£1,841 GBP
Retailer 6£2,078 GBP
Retailer 8£2,557 GBP
Retailer 7£2,929 GBP
NZ Jewellers£3,504 GBP

38 data points across 12 retailers

13 retailers£1,233 GBP to £3,504 GBP

A
Cheapest Retailer
-
£1,233 GBP
A
Retailer 2
-
£1,611 GBP
View
A
Retailer 3
-
£1,623 GBP
View
Final sale: no returns
A
Retailer 4
-
£1,626 GBP
View
A
Retailer 5
-
£1,677 GBP
View
A
Retailer 6
-
£1,713 GBP
View
A
Retailer 7
-
£1,753 GBP
View
A
Retailer 8
-
£1,841 GBP
View
B+
Retailer 9
-
£1,927 GBP
View
B+
Retailer 10
-
£2,078 GBP
View
B
Retailer 11
-
£2,557 GBP
View
B
Retailer 12
-
£2,929 GBP
View
Most Expensive
B
NZ Jewellers
aedc78d8-7f69-4c49-8fc8-31802fdcaed3 · Nov 5
£3,504 GBP
$4,690 USD
View
12 more retailers have this diamond
Prices start from £1,233 GBPSave up to £2,270 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
£1,233 GBP