Princess|Natural|GIA

0.63ct F SI1 Princess Natural Diamond

EX • F/SI1 • GIA 6551125817

Certificate GIA 6551125817

Diamond specifications and retailer prices

From £382 GBP

HK$4,000 HKD

As of November 1, 2026

Save £675 GBP (64%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £1,056 GBP at MOH London · As of November 1, 2026

View at MOH London

About this 0.63ct natural princess diamond

This 0.63ct natural princess sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551125817. Listed at 12 retailers as of November 1, 2026, with prices from £382 to £1,056, a £675 spread on the same certified stone. MOH London lists it at £1,056. 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

0.63

Carat

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

Crown angle39.32°

Pavilion angle38.29°

OriginNatural

Grading LabGIA

CertificateGIA 6551125817

Dimensions4.89 × 4.87 × 3.20 mm

L/W Ratio1.00

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 6551125817

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 1

Current: £1,056 GBP|Low: £382 GBP|High: £1,112 GBP|Avg: £612 GBP|-5.0%

MOH London

Retailer 2

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Retailer 7

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Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

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Retailer 15

November 2, 2026

Retailer 9£382 GBP

Retailer 10£455 GBP

Retailer 6£476 GBP

Retailer 12£497 GBP

Retailer 15£530 GBP

Retailer 2£530 GBP

Retailer 3£581 GBP

Retailer 4£584 GBP

Retailer 5£633 GBP

Retailer 7£655 GBP

Retailer 14£669 GBP

Retailer 8£675 GBP

Retailer 11£686 GBP

Retailer 13£694 GBP

MOH London£1,056 GBP

31 data points across 15 retailers

12 retailers£382 GBP to £1,056 GBP

Cheapest Retailer

£382 GBP

HK$4,000 HKD

Retailer 2

£455 GBP

SGD 825 SGD

View

Retailer 3

£476 GBP

SGD 864 SGD

View

Price last confirmed 24 days ago

Retailer 4

£497 GBP

$667 USD

View

Price last confirmed 25 days ago

B+

Retailer 5

£530 GBP

View

Retailer 6

£581 GBP

View

Price last confirmed 24 days ago

Retailer 7

£633 GBP

$849 USD

View

Retailer 8

£669 GBP

$898 USD

View

Price last confirmed 26 days ago

B+

Retailer 9

£675 GBP

€863 EUR

View

Retailer 10

£686 GBP

ZAR 14,879 ZAR

View

Price last confirmed 26 days ago

Retailer 11

£694 GBP

A$1,433 AUD

View

Price last confirmed 29 days ago

Most Expensive

MOH London

F878799A7 · Nov 1

£1,056 GBP

View

11 more retailers have this diamond

Prices start from £382 GBPSave up to £675 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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0.63ct Princess

£382 GBP