Round|Natural|GIA

2.53ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1565388316

Certificate GIA 1565388316

Diamond specifications and retailer prices

From £16,203 GBP

$21,710 USD

As of October 26, 2026

11 retailers carry this diamond

Most expensive: £24,455 GBP at MOH London · As of October 19, 2026

View at MOH London

About this 2.53ct natural round diamond

This 2.53ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565388316. Listed at 11 retailers as of October 26, 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

2.53

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 1565388316

Dimensions8.61 × 8.67 × 5.40 mm

L/W Ratio1.01

Star length50%

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Crystal, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1565388316

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: Oct 26

Current: £24,455 GBP|Low: £16,203 GBP|High: £24,617 GBP|Avg: £18,552 GBP|-0.7%

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

October 19, 2026

Retailer 5£16,203 GBP

Retailer 7£16,348 GBP

Retailer 4£16,475 GBP

Retailer 9£16,755 GBP

Retailer 10£17,192 GBP

Retailer 6£17,505 GBP

Retailer 2£17,526 GBP

Retailer 12£18,051 GBP

Retailer 3£18,625 GBP

Retailer 11£19,341 GBP

Retailer 8£21,234 GBP

Retailer 13£22,065 GBP

MOH London£24,455 GBP

11 data points across 13 retailers

11 retailers

B+

Cheapest Retailer

£16,203 GBP

$21,710 USD

Retailer 2

£16,348 GBP

View

Price last confirmed 14 days ago

Retailer 3

£16,755 GBP

$22,450 USD

View

Price last confirmed 13 days ago

Retailer 4

£17,192 GBP

$23,035 USD

View

Price last confirmed 17 days ago

Retailer 5

£17,505 GBP

View

Price last confirmed 14 days ago

Retailer 6

£18,051 GBP

$24,187 USD

View

Price last confirmed 17 days ago

Retailer 7

£18,625 GBP

$24,955 USD

View

Price last confirmed 15 days ago

Retailer 8

£19,341 GBP

$25,915 USD

View

Price last confirmed 14 days ago

Retailer 9

£21,234 GBP

ZAR 459,623 ZAR

View

Price last confirmed 15 days ago

Retailer 10

£22,065 GBP

$29,564 USD

View

Price last confirmed 15 days ago

Most Expensive

MOH London

EB0C1B2A2 · Oct 19

£24,455 GBP

View

Price last confirmed 14 days ago

10 more retailers have this diamond

Prices start from £16,203 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+

2.53ct Round

£16,203 GBP