Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2504814178

Certificate GIA 2504814178

Diamond specifications and retailer prices

From $4,277 CAD

$3,062 USD

As of October 29, 2026

Save $5,371 CAD (56%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $9,648 CAD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2504814178. Listed at 22 retailers as of October 29, 2026, with prices from $4,277 to $9,648, a $5,371 spread on the same certified stone. NZ Jewellers lists it at $9,648. 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

1.20

Carat

Color

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32°

Pavilion angle41.6°

OriginNatural

Grading LabGIA

CertificateGIA 2504814178

Dimensions6.87 × 6.85 × 4.18 mm

L/W Ratio1.00

Star length55%

Lower girdle75%

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2504814178

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 29

Current: $6,127 CAD|Low: $4,002 CAD|High: $9,372 CAD|Avg: $5,874 CAD|+3.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

October 30, 2026

Retailer 9$4,277 CAD

Retailer 6$4,629 CAD

Retailer 5$4,712 CAD

Retailer 8$5,210 CAD

Retailer 2$5,629 CAD

Retailer 7$5,932 CAD

Retailer 1$6,127 CAD

Retailer 4$6,743 CAD

Retailer 3$9,310 CAD

42 data points across 9 retailers

22 retailers$4,277 CAD to $9,648 CAD

B+

Cheapest Retailer

$4,277 CAD

$3,062 USD

B+

Retailer 2

$4,328 CAD

$3,098 USD

View

B+

Retailer 3

$4,455 CAD

$3,189 USD

View

B+

Retailer 4

$4,606 CAD

A$5,073 AUD

View

B+

Retailer 5

$4,629 CAD

$3,314 USD

View

Final sale: no returns

B+

Retailer 6

$4,712 CAD

$3,373 USD

View

B+

Retailer 7

$4,819 CAD

$3,450 USD

View

B+

Retailer 8

$5,016 CAD

$3,591 USD

View

B+

Retailer 9

$5,016 CAD

$3,591 USD

View

B+

Retailer 10

$5,023 CAD

$3,596 USD

View

Retailer 11

$5,210 CAD

$3,730 USD

View

B+

Retailer 12

$5,602 CAD

$4,010 USD

View

B+

Retailer 13

$5,602 CAD

$4,010 USD

View

B+

Retailer 14

$5,629 CAD

£3,173 GBP

View

Retailer 15

$5,783 CAD

$4,140 USD

View

Retailer 16

$5,789 CAD

$4,144 USD

View

Retailer 17

$5,932 CAD

A$6,533 AUD

View

Price last confirmed 21 days ago

Retailer 18

$6,127 CAD

€4,177 EUR

View

Retailer 19

$6,269 CAD

$4,488 USD

View

Price last confirmed 7 days ago

Retailer 20

$6,743 CAD

ZAR 77,986 ZAR

View

Retailer 21

$9,310 CAD

£5,248 GBP

View

Most Expensive

NZ Jewellers

08346862-4419-48e2-ab77-6760ed94a92f · Oct 30

$9,648 CAD

$6,907 USD

View

21 more retailers have this diamond

Prices start from $4,277 CADSave up to $5,371 CAD

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+

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