Round|Natural|GIA

2.09ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2537381713

Certificate GIA 2537381713

Diamond specifications and retailer prices

From £12,691 GBP

$17,030 USD

As of November 1, 2026

Save £9,291 GBP (42%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: £21,982 GBP at MOH London · As of November 1, 2026

View at MOH London

About this 2.09ct natural round diamond

This 2.09ct natural round sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2537381713. Listed at 18 retailers as of November 1, 2026, with prices from £12,691 to £21,982, a £9,291 spread on the same certified stone. MOH London lists it at £21,982. 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

2.09

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

Crown angle35.5°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 2537381713

Dimensions8.17 × 8.13 × 5.10 mm

L/W Ratio1.00

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

CertificateGIA 2537381713

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: £21,982 GBP|Low: £12,691 GBP|High: £22,246 GBP|Avg: £15,967 GBP|-1.2%

MOH London

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

November 2, 2026

Retailer 13£12,691 GBP

Retailer 8£12,939 GBP

Retailer 15£14,074 GBP

Retailer 10£14,265 GBP

Retailer 7£14,651 GBP

Retailer 9£14,779 GBP

Retailer 5£14,962 GBP

Retailer 16£15,247 GBP

Retailer 6£15,433 GBP

Retailer 14£15,433 GBP

Retailer 2£15,523 GBP

Retailer 4£15,834 GBP

Retailer 3£15,947 GBP

Retailer 11£17,001 GBP

Retailer 12£19,462 GBP

Retailer 17£19,939 GBP

MOH London£21,982 GBP

33 data points across 17 retailers

18 retailers£12,691 GBP to £21,982 GBP

B+

Cheapest Retailer

£12,691 GBP

$17,030 USD

B+

Retailer 2

£12,939 GBP

$17,364 USD

View

B+

Retailer 3

£13,752 GBP

$18,455 USD

View

Retailer 4

£14,074 GBP

$18,887 USD

View

B+

Retailer 5

£14,265 GBP

View

Retailer 6

£14,651 GBP

A$30,248 AUD

View

Price last confirmed 31 days ago

Retailer 7

£14,779 GBP

$19,832 USD

View

Price last confirmed 33 days ago

B+

Retailer 8

£14,962 GBP

$20,078 USD

View

B+

Retailer 9

£15,247 GBP

$20,461 USD

View

B+

Retailer 10

£15,433 GBP

$20,710 USD

View

B+

Retailer 11

£15,433 GBP

$20,710 USD

View

B+

Retailer 12

£15,523 GBP

View

Retailer 13

£15,834 GBP

$21,248 USD

View

Retailer 14

£15,947 GBP

$21,400 USD

View

Retailer 15

£17,001 GBP

€21,728 EUR

View

Retailer 16

£19,462 GBP

ZAR 421,916 ZAR

View

Retailer 17

£19,939 GBP

$26,757 USD

View

Most Expensive

MOH London

5CD348787 · Nov 1

£21,982 GBP

View

17 more retailers have this diamond

Prices start from £12,691 GBPSave up to £9,291 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+

2.09ct Round

£12,691 GBP