Round|Natural|GIA

0.56ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6545915818

Certificate GIA 6545915818

Diamond specifications and retailer prices

From £461 GBP

HK$4,800 HKD

As of October 29, 2026

Save £1,511 GBP (77%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: £1,972 GBP at NZ Jewellers · As of October 26, 2026

View at NZ Jewellers

About this 0.56ct natural round diamond

This 0.56ct natural round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6545915818. Listed at 20 retailers as of October 26, 2026, with prices from £461 to £1,972, a £1,511 spread on the same certified stone. NZ Jewellers lists it at £1,972. 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

0.56

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 6545915818

Dimensions5.32 × 5.30 × 3.28 mm

L/W Ratio1.00

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6545915818

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: Oct 29

Current: £1,972 GBP|Low: £461 GBP|High: £1,972 GBP|Avg: £803 GBP

NZ Jewellers

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October 28, 2026

Retailer 12£461 GBP

Retailer 21£580 GBP

Retailer 20£598 GBP

Retailer 3£623 GBP

Retailer 6£629 GBP

Retailer 7£637 GBP

Retailer 5£645 GBP

Retailer 19£653 GBP

Retailer 14£683 GBP

Retailer 8£725 GBP

Retailer 9£728 GBP

Retailer 18£744 GBP

Retailer 15£750 GBP

Retailer 13£818 GBP

Retailer 10£841 GBP

Retailer 11£873 GBP

Retailer 2£887 GBP

Retailer 4£946 GBP

Retailer 16£968 GBP

Retailer 17£1,153 GBP

NZ Jewellers£1,972 GBP

35 data points across 21 retailers

20 retailers£461 GBP to £1,972 GBP

Cheapest Retailer

£461 GBP

HK$4,800 HKD

Retailer 2

£580 GBP

$773 USD

View

Final sale: no returns

Retailer 3

£598 GBP

SGD 1,076 SGD

View

Retailer 4

£623 GBP

$830 USD

View

Price last confirmed 10 days ago

Retailer 5

£629 GBP

$837 USD

View

Retailer 6

£637 GBP

$848 USD

View

Retailer 7

£645 GBP

SGD 1,161 SGD

View

Retailer 8

£653 GBP

$870 USD

View

B+

Retailer 9

£725 GBP

$966 USD

View

B+

Retailer 10

£728 GBP

$970 USD

View

B+

Retailer 11

£744 GBP

View

B+

Retailer 12

£750 GBP

View

B+

Retailer 13

£818 GBP

View

B+

Retailer 14

£841 GBP

$1,119 USD

View

B+

Retailer 15

£873 GBP

$1,162 USD

View

B+

Retailer 16

£887 GBP

€1,125 EUR

View

B+

Retailer 17

£946 GBP

A$1,937 AUD

View

Price last confirmed 24 days ago

B+

Retailer 18

£968 GBP

ZAR 20,831 ZAR

View

Retailer 19

£1,153 GBP

View

Most Expensive

NZ Jewellers

f94cc168-9003-4543-86d2-568062e14e9c · Oct 26

£1,972 GBP

$2,626 USD

View

19 more retailers have this diamond

Prices start from £461 GBPSave up to £1,511 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.

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