Round|Natural|GIA

1.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566189059

Certificate GIA 2566189059

Diamond specifications and retailer prices

From $3,415 CAD

$2,445 USD

As of October 30, 2026

Save $5,385 CAD (61%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: $8,800 CAD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 2566189059. Listed at 23 retailers as of October 30, 2026, with prices from $3,415 to $8,800, a $5,385 spread on the same certified stone. NZ Jewellers lists it at $8,800. 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

1.00

Carat

Color

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

Crown angle33°

Pavilion angle41.6°

OriginNatural

Grading LabGIA

CertificateGIA 2566189059

Dimensions6.41 × 6.44 × 3.96 mm

L/W Ratio1.00

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

CertificateGIA 2566189059

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: $8,800 CAD|Low: $2,732 CAD|High: $8,800 CAD|Avg: $3,961 CAD

NZ Jewellers

Retailer 2

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Retailer 27

October 30, 2026

Retailer 10$2,732 CAD

Retailer 16$2,889 CAD

Retailer 12$2,968 CAD

Retailer 8$3,003 CAD

Retailer 19$3,230 CAD

Retailer 3$3,415 CAD

Retailer 14$3,516 CAD

Retailer 5$3,527 CAD

Retailer 9$3,721 CAD

Retailer 18$3,723 CAD

Retailer 4$3,751 CAD

Retailer 11$3,761 CAD

Retailer 25$3,814 CAD

Retailer 27$3,814 CAD

Retailer 26$3,960 CAD

Retailer 13$4,062 CAD

Retailer 6$4,325 CAD

Retailer 7$4,400 CAD

Retailer 21$4,474 CAD

Retailer 20$4,604 CAD

Retailer 15$4,843 CAD

Retailer 22$4,888 CAD

Retailer 2$4,930 CAD

Retailer 24$5,126 CAD

Retailer 17$5,317 CAD

Retailer 23$7,077 CAD

NZ Jewellers$8,800 CAD

26 data points across 27 retailers

23 retailers$3,415 CAD to $8,800 CAD

Retailer 1

$2,889 CAD

$2,068 USD

Price last confirmed 15 days ago

Retailer 2

$2,968 CAD

$2,124 USD

View

Price last confirmed 16 days ago

Retailer 3

$3,003 CAD

$2,150 USD

View

Price last confirmed 16 days ago

Retailer 4

$3,230 CAD

SGD 3,125 SGD

View

Price last confirmed 16 days ago

B+

Retailer 5

$3,415 CAD

$2,445 USD

View

B+

Retailer 6

$3,499 CAD

$2,505 USD

View

B+

Retailer 7

$3,527 CAD

$2,525 USD

View

B+

Retailer 8

$3,751 CAD

$2,685 USD

View

Retailer 9

$3,761 CAD

£2,120 GBP

View

Price last confirmed 14 days ago

B+

Retailer 10

$3,814 CAD

$2,730 USD

View

B+

Retailer 11

$3,814 CAD

$2,730 USD

View

B+

Retailer 12

$3,960 CAD

$2,835 USD

View

B+

Retailer 13

$4,062 CAD

£2,290 GBP

View

Retailer 14

$4,325 CAD

$3,096 USD

View

Retailer 15

$4,399 CAD

$3,149 USD

View

Retailer 16

$4,400 CAD

$3,150 USD

View

Retailer 17

$4,474 CAD

£2,522 GBP

View

Retailer 18

$4,843 CAD

$3,467 USD

View

Price last confirmed 16 days ago

Retailer 19

$4,930 CAD

€3,361 EUR

View

Retailer 20

$5,126 CAD

ZAR 59,278 ZAR

View

Retailer 21

$5,317 CAD

$3,806 USD

View

Price last confirmed 15 days ago

Retailer 22

$7,077 CAD

£3,989 GBP

View

Most Expensive

NZ Jewellers

6443b987-1d38-4d76-b20b-560ff4338924 · Oct 30

$8,800 CAD

$6,300 USD

View

22 more retailers have this diamond

Prices start from $3,415 CADSave up to $5,385 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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