Round|Natural|GIA

2.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6562074899

Certificate GIA 6562074899

Diamond specifications and retailer prices

From HK$253,308 HKD

£25,422 GBP

As of October 30, 2026

12 retailers carry this diamond

Most expensive: HK$308,698 HKD at Cape Diamonds · As of September 25, 2026

View at Cape Diamonds

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562074899. Listed at 12 retailers as of October 30, 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

2.51

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

Crown angle36°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 6562074899

Dimensions8.59 × 8.63 × 5.40 mm

L/W Ratio1.00

Culet sizeNone

Key to symbols

Cloud, Crystal, Feather, Needle

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

CertificateGIA 6562074899

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 30

Current: HK$308,698 HKD|Low: HK$202,364 HKD|High: HK$359,911 HKD|Avg: HK$250,074 HKD

Cape Diamonds

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

October 30, 2026

Retailer 3HK$204,490 HKD

Retailer 14HK$207,589 HKD

Retailer 9HK$221,406 HKD

Retailer 12HK$221,680 HKD

Retailer 17HK$225,044 HKD

Retailer 7HK$228,012 HKD

Retailer 10HK$231,558 HKD

Retailer 5HK$237,513 HKD

Retailer 15HK$239,412 HKD

Retailer 6HK$243,760 HKD

Retailer 4HK$247,006 HKD

Retailer 2HK$253,308 HKD

Retailer 11HK$253,879 HKD

Retailer 8HK$256,507 HKD

Retailer 13HK$275,676 HKD

Cape DiamondsHK$308,698 HKD

Retailer 16HK$359,911 HKD

30 data points across 17 retailers

12 retailers

Retailer 1

HK$207,589 HKD

$26,459 USD

Price last confirmed 17 days ago

Retailer 2

HK$225,044 HKD

A$44,129 AUD

View

Price last confirmed 39 days ago

Retailer 3

HK$228,012 HKD

$29,062 USD

View

Price last confirmed 17 days ago

Retailer 4

HK$231,558 HKD

$29,514 USD

View

Price last confirmed 16 days ago

Retailer 5

HK$237,513 HKD

$30,273 USD

View

Price last confirmed 37 days ago

Retailer 6

HK$239,412 HKD

$30,515 USD

View

Price last confirmed 17 days ago

Retailer 7

HK$243,760 HKD

$31,069 USD

View

Price last confirmed 17 days ago

Retailer 8

HK$247,006 HKD

$31,483 USD

View

Price last confirmed 39 days ago

B+

Retailer 9

HK$253,308 HKD

£25,422 GBP

View

Retailer 10

HK$253,879 HKD

£25,480 GBP

View

Price last confirmed 17 days ago

Retailer 11

HK$256,507 HKD

$32,694 USD

View

Price last confirmed 41 days ago

Most Expensive

Cape Diamonds

cert_6562074899 · Sep 25

HK$308,698 HKD

ZAR 635,641 ZAR

View

Price last confirmed 37 days ago

11 more retailers have this diamond

Prices start from HK$253,308 HKD

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+

2.51ct Round

HK$253,308 HKD