Radiant|Natural|GIA

1.51ct F SI1 Radiant Natural Diamond

ID • F/SI1 • GIA 1548084766

Certificate GIA 1548084766

Diamond specifications and retailer prices

From £5,739 GBP

A$11,848 AUD

As of November 2, 2026

8 retailers carry this diamond

Most expensive: £10,464 GBP at NZ Jewellers · As of September 28, 2026

View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA 1548084766. Listed at 8 retailers as of November 2, 2026. 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

1.51

Carat

Colour

SI1

Clarity

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle44.68°

Pavilion angle31.12°

OriginNatural

Grading LabGIA

CertificateGIA 1548084766

Dimensions7.57 × 5.83 × 3.77 mm

L/W Ratio1.30

Girdle conditionThick

Key to symbols

Crystal, Feather, Cloud, Needle, Indented Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1548084766

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 2

Current: £5,993 GBP|Low: £4,132 GBP|High: £8,824 GBP|Avg: £5,863 GBP|+0.9%

Retailer 1

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

September 29, 2026

Retailer 20£4,132 GBP

Retailer 17£4,795 GBP

Retailer 5£4,853 GBP

Retailer 6£4,944 GBP

Retailer 7£5,020 GBP

Retailer 4£5,231 GBP

Retailer 18£5,232 GBP

Retailer 8£5,572 GBP

Retailer 3£5,736 GBP

Retailer 21£5,739 GBP

Retailer 14£5,870 GBP

Retailer 16£5,951 GBP

Retailer 1£5,993 GBP

Retailer 11£6,252 GBP

Retailer 13£6,252 GBP

Retailer 10£6,301 GBP

Retailer 2£6,318 GBP

Retailer 15£6,346 GBP

Retailer 9£6,461 GBP

Retailer 19£7,525 GBP

Retailer 12£8,824 GBP

9 data points across 21 retailers

8 retailers

Retailer 1

£5,668 GBP

$7,606 USD

Price last confirmed 34 days ago

Retailer 2

£5,736 GBP

$7,697 USD

View

Price last confirmed 37 days ago

B+

Retailer 3

£5,739 GBP

A$11,848 AUD

View

Retailer 4

£5,993 GBP

A$12,374 AUD

View

Price last confirmed 34 days ago

Retailer 5

£6,540 GBP

$8,776 USD

View

Price last confirmed 57 days ago

Retailer 6

£6,540 GBP

$8,776 USD

View

Price last confirmed 34 days ago

Retailer 7

£7,525 GBP

ZAR 163,145 ZAR

View

Price last confirmed 38 days ago

Most Expensive

NZ Jewellers

77a63c8c-2218-45d6-84cc-140222f6161f · Sep 28

£10,464 GBP

$14,042 USD

View

Price last confirmed 35 days ago

7 more retailers have this diamond

Prices start from £5,739 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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