Round|Natural|GIA

0.55ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1565703585

Certificate GIA 1565703585

Diamond specifications and retailer prices

From £348 GBP

₹44,523 INR

As of November 2, 2026

Save £998 GBP (74%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: £1,347 GBP at Diamond Exchange Canada · As of November 2, 2026

View at Diamond Exchange Canada

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565703585. Listed at 17 retailers as of November 2, 2026, with prices from £348 to £1,347, a £998 spread on the same certified stone. Diamond Exchange Canada lists it at £1,347. 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

0.55

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 1565703585

Dimensions5.20 × 5.23 × 3.29 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1565703585

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

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

Price History

Last verified: Nov 2

Current: £1,347 GBP|Low: £337 GBP|High: £1,347 GBP|Avg: £564 GBP

Diamond Exchange Canada

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

November 2, 2026

Retailer 8£348 GBP

Retailer 5£401 GBP

Retailer 7£423 GBP

Retailer 14£430 GBP

Retailer 12£453 GBP

Retailer 15£457 GBP

Retailer 6£461 GBP

Retailer 3£489 GBP

Retailer 13£558 GBP

Retailer 11£576 GBP

Retailer 9£603 GBP

Retailer 10£629 GBP

Retailer 4£653 GBP

Retailer 2£1,077 GBP

Diamond Exchange Canada£1,347 GBP

11 data points across 15 retailers

17 retailers£348 GBP to £1,347 GBP

Cheapest Retailer

£348 GBP

₹44,523 INR

Retailer 2

£401 GBP

HK$4,200 HKD

View

Retailer 3

£423 GBP

$568 USD

View

Price last confirmed 7 days ago

Retailer 4

£430 GBP

$577 USD

View

Final sale: no returns

Retailer 5

£436 GBP

$585 USD

View

Retailer 6

£453 GBP

A$935 AUD

View

Retailer 7

£457 GBP

SGD 828 SGD

View

Retailer 8

£458 GBP

$615 USD

View

Retailer 9

£461 GBP

€589 EUR

View

Price last confirmed 7 days ago

Retailer 10

£489 GBP

SGD 887 SGD

View

B+

Retailer 11

£558 GBP

View

B+

Retailer 12

£576 GBP

View

B+

Retailer 13

£603 GBP

View

B+

Retailer 14

£629 GBP

€804 EUR

View

Retailer 15

£653 GBP

$877 USD

View

Price last confirmed 7 days ago

Retailer 16

£1,077 GBP

View

Most Expensive

Diamond Exchange Canada

1996897706 · Nov 2

£1,347 GBP

CA$2,510 CAD

View

16 more retailers have this diamond

Prices start from £348 GBPSave up to £998 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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0.55ct Round

£348 GBP