Round|Natural|GIA

1.06ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6451563055

Certificate GIA 6451563055

Diamond specifications and retailer prices

From £2,298 GBP

$3,079 USD

As of October 31, 2026

Save £3,963 GBP (63%) vs most expensive(unlock to see where)

12 retailers carry this diamond

Most expensive: £6,261 GBP at Diamond Quarter · As of October 31, 2026

View at Diamond Quarter

About this 1.06ct natural round diamond

This 1.06ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6451563055. Listed at 12 retailers as of October 31, 2026, with prices from £2,298 to £6,261, a £3,963 spread on the same certified stone. Diamond Quarter lists it at £6,261. 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

1.06

Carat

Colour

SI2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.5°

Pavilion angle41°

OriginNatural

Grading LabGIA

CertificateGIA 6451563055

Dimensions6.64 × 6.60 × 3.96 mm

L/W Ratio1.01

Star length50%

Lower girdle80%

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6451563055

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 31

Current: £2,830 GBP|Low: £1,915 GBP|High: £4,787 GBP|Avg: £2,998 GBP|+1.8%

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

October 31, 2026

Retailer 8£2,269 GBP

Retailer 4£2,281 GBP

Retailer 9£2,298 GBP

Retailer 2£2,489 GBP

Retailer 12£2,489 GBP

Retailer 10£2,585 GBP

Retailer 1£2,830 GBP

Retailer 13£2,872 GBP

Retailer 3£3,112 GBP

Retailer 6£3,216 GBP

Retailer 5£3,270 GBP

Retailer 7£4,620 GBP

Retailer 11£4,787 GBP

40 data points across 13 retailers

12 retailers£2,298 GBP to £6,261 GBP

Retailer 1

£2,269 GBP

$3,040 USD

Price last confirmed 13 days ago

B+

Retailer 2

£2,298 GBP

$3,079 USD

View

Final sale: no returns

B+

Retailer 3

£2,489 GBP

$3,335 USD

View

B+

Retailer 4

£2,489 GBP

$3,335 USD

View

B+

Retailer 5

£2,585 GBP

$3,463 USD

View

B+

Retailer 6

£2,830 GBP

View

B+

Retailer 7

£2,872 GBP

$3,848 USD

View

Retailer 8

£3,112 GBP

$4,170 USD

View

Price last confirmed 8 days ago

B+

Retailer 9

£3,216 GBP

€4,104 EUR

View

Retailer 10

£4,620 GBP

View

Retailer 11

£4,787 GBP

$6,414 USD

View

Most Expensive

Diamond Quarter

1.06SI2G6455D103N · Oct 31

£6,261 GBP

View

11 more retailers have this diamond

Prices start from £2,298 GBPSave up to £3,963 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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