Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1433591613

Certificate GIA 1433591613

Diamond specifications and retailer prices

From £5,421 GBP

$7,275 USD

As of November 1, 2026

Save £6,952 GBP (56%) vs most expensive(unlock to see where)

32 retailers carry this diamond

Most expensive: £12,373 GBP at NZ Jewellers · As of November 2, 2026

View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1433591613. Listed at 32 retailers as of November 1, 2026, with prices from £5,421 to £12,373, a £6,952 spread on the same certified stone. NZ Jewellers lists it at £12,373. 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

1.50

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 1433591613

Dimensions7.29 × 7.35 × 4.48 mm

L/W Ratio1.01

Culet sizeNone

Key to symbols

Feather, Cloud, Crystal, Needle, Indented Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1433591613

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: £12,373 GBP|Low: £5,421 GBP|High: £12,373 GBP|Avg: £7,018 GBP

NZ Jewellers

Retailer 2

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Retailer 31

November 2, 2026

Retailer 16£5,421 GBP

Retailer 17£5,581 GBP

Retailer 19£5,611 GBP

Retailer 9£5,792 GBP

Retailer 24£5,888 GBP

Retailer 20£5,961 GBP

Retailer 11£6,152 GBP

Retailer 12£6,187 GBP

Retailer 18£6,187 GBP

Retailer 5£6,244 GBP

Retailer 15£6,594 GBP

Retailer 31£6,600 GBP

Retailer 10£6,702 GBP

Retailer 14£6,805 GBP

Retailer 26£6,807 GBP

Retailer 30£6,855 GBP

Retailer 29£6,868 GBP

Retailer 21£6,900 GBP

Retailer 22£6,901 GBP

Retailer 7£7,325 GBP

Retailer 25£7,325 GBP

Retailer 4£7,362 GBP

Retailer 23£7,394 GBP

Retailer 6£7,501 GBP

Retailer 8£7,571 GBP

Retailer 3£7,733 GBP

Retailer 2£7,922 GBP

Retailer 13£8,099 GBP

Retailer 28£9,089 GBP

Retailer 27£10,310 GBP

NZ Jewellers£12,373 GBP

10 data points across 31 retailers

32 retailers£5,421 GBP to £12,373 GBP

B+

Cheapest Retailer

£5,421 GBP

$7,275 USD

B+

Retailer 2

£5,581 GBP

$7,489 USD

View

B+

Retailer 3

£5,611 GBP

$7,530 USD

View

B+

Retailer 4

£5,780 GBP

A$11,933 AUD

View

B+

Retailer 5

£5,792 GBP

$7,773 USD

View

B+

Retailer 6

£5,888 GBP

$7,901 USD

View

B+

Retailer 7

£5,961 GBP

$7,999 USD

View

B+

Retailer 8

£6,152 GBP

$8,255 USD

View

B+

Retailer 9

£6,169 GBP

$8,279 USD

View

B+

Retailer 10

£6,187 GBP

$8,302 USD

View

Final sale: no returns

B+

Retailer 11

£6,187 GBP

$8,302 USD

View

B+

Retailer 12

£6,244 GBP

CA$11,637 CAD

View

B+

Retailer 13

£6,594 GBP

$8,849 USD

View

B+

Retailer 14

£6,600 GBP

$8,857 USD

View

Retailer 15

£6,702 GBP

$8,994 USD

View

B+

Retailer 16

£6,805 GBP

$9,132 USD

View

B+

Retailer 17

£6,807 GBP

View

B+

Retailer 18

£6,868 GBP

$9,217 USD

View

B+

Retailer 19

£6,900 GBP

$9,259 USD

View

B+

Retailer 20

£6,901 GBP

$9,261 USD

View

B+

Retailer 21

£7,325 GBP

$9,830 USD

View

B+

Retailer 22

£7,325 GBP

$9,830 USD

View

B+

Retailer 23

£7,362 GBP

$9,879 USD

View

B+

Retailer 24

£7,394 GBP

$9,922 USD

View

Retailer 25

£7,501 GBP

$10,066 USD

View

Price last confirmed 7 days ago

Retailer 26

£7,571 GBP

$10,160 USD

View

Retailer 27

£7,733 GBP

$10,377 USD

View

B+

Retailer 28

£7,922 GBP

€10,125 EUR

View

Retailer 29

£8,099 GBP

View

Retailer 30

£9,089 GBP

ZAR 197,032 ZAR

View

Retailer 31

£10,310 GBP

View

Most Expensive

NZ Jewellers

432a34a9-c3a6-4872-9120-897be74981fb · Nov 2

£12,373 GBP

$16,604 USD

View

31 more retailers have this diamond

Prices start from £5,421 GBPSave up to £6,952 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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B+

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