Oval|Natural|GIA

1.26ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2556675346

Certificate GIA 2556675346

Diamond specifications and retailer prices

From £1,703 GBP

As of November 6, 2026

Save £2,288 GBP (57%) vs most expensive(unlock to see where)

32 retailers carry this diamond

Most expensive: £3,991 GBP at NZ Jewellers · As of November 5, 2026

View at NZ Jewellers

About this 1.26ct natural oval diamond

This 1.26ct 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 2556675346. Listed at 32 retailers as of November 5, 2026, with prices from £1,703 to £3,991, a £2,288 spread on the same certified stone. NZ Jewellers lists it at £3,991. 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

1.26

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.85°

Pavilion angle39.06°

OriginNatural

Grading LabGIA

CertificateGIA 2556675346

Dimensions8.41 × 6.05 × 3.73 mm

L/W Ratio1.39

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2556675346

Side View

Caratlytics Score

How it works →

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: £3,991 GBP|Low: £1,514 GBP|High: £3,991 GBP|Avg: £2,269 GBP

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

Retailer 25

Retailer 26

Retailer 27

Retailer 28

Retailer 29

Retailer 30

Retailer 31

Retailer 32

Retailer 33

November 6, 2026

Retailer 26£1,514 GBP

Retailer 2£1,703 GBP

Retailer 27£1,715 GBP

Retailer 8£1,756 GBP

Retailer 5£1,782 GBP

Retailer 32£1,802 GBP

Retailer 33£1,809 GBP

Retailer 6£1,836 GBP

Retailer 18£1,858 GBP

Retailer 21£1,915 GBP

Retailer 16£2,040 GBP

Retailer 7£2,075 GBP

Retailer 31£2,075 GBP

Retailer 22£2,099 GBP

Retailer 15£2,100 GBP

Retailer 10£2,155 GBP

Retailer 19£2,194 GBP

Retailer 13£2,222 GBP

Retailer 9£2,247 GBP

Retailer 12£2,253 GBP

Retailer 23£2,277 GBP

Retailer 25£2,332 GBP

Retailer 28£2,368 GBP

Retailer 3£2,368 GBP

Retailer 14£2,368 GBP

Retailer 17£2,394 GBP

Retailer 4£2,443 GBP

Retailer 24£2,513 GBP

Retailer 20£2,578 GBP

Retailer 29£2,796 GBP

Retailer 11£3,303 GBP

Retailer 30£3,821 GBP

NZ Jewellers£3,991 GBP

27 data points across 33 retailers

32 retailers£1,703 GBP to £3,991 GBP

Cheapest Retailer

£1,703 GBP

Retailer 2

£1,756 GBP

View

Retailer 3

£1,782 GBP

View

Price last confirmed 9 days ago

Retailer 4

£1,802 GBP

View

Retailer 5

£1,809 GBP

View

Retailer 6

£1,836 GBP

View

Retailer 7

£1,858 GBP

View

B+

Retailer 8

£1,915 GBP

View

Final sale: no returns

B+

Retailer 9

£2,040 GBP

View

B+

Retailer 10

£2,045 GBP

View

Retailer 11

£2,075 GBP

View

Price last confirmed 8 days ago

B+

Retailer 12

£2,075 GBP

View

B+

Retailer 13

£2,099 GBP

View

B+

Retailer 14

£2,100 GBP

View

B+

Retailer 15

£2,155 GBP

View

B+

Retailer 16

£2,194 GBP

View

B+

Retailer 17

£2,222 GBP

View

B+

Retailer 18

£2,247 GBP

View

B+

Retailer 19

£2,253 GBP

View

B+

Retailer 20

£2,277 GBP

View

B+

Retailer 21

£2,332 GBP

View

B+

Retailer 22

£2,368 GBP

View

B+

Retailer 23

£2,368 GBP

View

B+

Retailer 24

£2,368 GBP

View

B+

Retailer 25

£2,394 GBP

View

B+

Retailer 26

£2,443 GBP

View

B+

Retailer 27

£2,513 GBP

View

Retailer 28

£2,578 GBP

View

B+

Retailer 29

£2,796 GBP

View

Retailer 30

£3,303 GBP

View

Retailer 31

£3,821 GBP

View

Most Expensive

NZ Jewellers

0028e860-3f5f-410e-8021-f88790883e9a · Nov 5

£3,991 GBP

$5,342 USD

View

31 more retailers have this diamond

Prices start from £1,703 GBPSave up to £2,288 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.

Where to buy this spec

See every retailer carrying 1.26ct J SI1 oval natural

Ranked by inventory count, with return policy, certs, and trust signals.

Similar diamonds

1.26ct Oval

£1,703 GBP