Radiant|Natural|GIA

0.54ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5556665444

Certificate GIA 5556665444

Diamond specifications and retailer prices

From £411 GBP

$552 USD

As of November 2, 2026

Save £724 GBP (64%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £1,136 GBP at MOH London · As of November 2, 2026

View at MOH London

About this 0.54ct natural radiant diamond

This 0.54ct natural radiant sits in the half to three-quarter carat band, graded H 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 5556665444. Listed at 15 retailers as of November 2, 2026, with prices from £411 to £1,136, a £724 spread on the same certified stone. MOH London lists it at £1,136. 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

0.54

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

Crown angle37°

Pavilion angle54.5°

OriginNatural

Grading LabGIA

CertificateGIA 5556665444

Dimensions5.64 × 4.18 × 2.79 mm

L/W Ratio1.35

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishVery Good

SymmetryVery Good

FluorescenceNone

CertificateGIA 5556665444

Side View

Caratlytics Score

How it works →

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 2

Current: £1,136 GBP|Low: £366 GBP|High: £1,227 GBP|Avg: £611 GBP|-7.5%

MOH London

Retailer 2

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Retailer 7

Retailer 8

Retailer 9

Retailer 10

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Retailer 12

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Retailer 15

November 2, 2026

Retailer 15£411 GBP

Retailer 2£414 GBP

Retailer 4£448 GBP

Retailer 5£502 GBP

Retailer 10£504 GBP

Retailer 3£522 GBP

Retailer 6£544 GBP

Retailer 12£544 GBP

Retailer 13£566 GBP

Retailer 9£606 GBP

Retailer 14£616 GBP

Retailer 11£630 GBP

Retailer 8£658 GBP

Retailer 7£790 GBP

MOH London£1,136 GBP

33 data points across 15 retailers

15 retailers£411 GBP to £1,136 GBP

Cheapest Retailer

£411 GBP

$552 USD

Final sale: no returns

Retailer 2

£414 GBP

$555 USD

View

Retailer 3

£448 GBP

HK$4,700 HKD

View

Retailer 4

£502 GBP

$674 USD

View

Retailer 5

£504 GBP

$676 USD

View

B+

Retailer 6

£522 GBP

$701 USD

View

B+

Retailer 7

£544 GBP

$730 USD

View

B+

Retailer 8

£544 GBP

$730 USD

View

B+

Retailer 9

£566 GBP

$760 USD

View

B+

Retailer 10

£606 GBP

View

B+

Retailer 11

£616 GBP

View

B+

Retailer 12

£630 GBP

$846 USD

View

B+

Retailer 13

£658 GBP

€841 EUR

View

Retailer 14

£790 GBP

A$1,631 AUD

View

Price last confirmed 28 days ago

Most Expensive

MOH London

0CF2E4FFD · Nov 2

£1,136 GBP

View

14 more retailers have this diamond

Prices start from £411 GBPSave up to £724 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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