Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2547510952

Certificate GIA 2547510952

Diamond specifications and retailer prices

From $12,367 CAD

$8,804 USD

As of October 29, 2026

Save $11,080 CAD (47%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $23,447 CAD at NZ Jewellers · As of October 27, 2026

View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547510952. Listed at 27 retailers as of October 27, 2026, with prices from $12,367 to $23,447, a $11,080 spread on the same certified stone. NZ Jewellers lists it at $23,447. 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

1.51

Carat

Color

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

Crown angle36°

Pavilion angle40.8°

OriginNatural

Grading LabGIA

CertificateGIA 2547510952

Dimensions7.26 × 7.31 × 4.56 mm

L/W Ratio1.01

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceFaint

CertificateGIA 2547510952

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: $15,255 CAD|Low: $12,367 CAD|High: $22,237 CAD|Avg: $16,584 CAD|-0.3%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

October 29, 2026

Retailer 9$12,367 CAD

Retailer 7$13,553 CAD

Retailer 1$15,255 CAD

Retailer 8$15,476 CAD

Retailer 5$15,491 CAD

Retailer 2$16,281 CAD

Retailer 4$16,906 CAD

Retailer 6$20,420 CAD

Retailer 3$22,089 CAD

38 data points across 9 retailers

27 retailers$12,367 CAD to $23,447 CAD

B+

Cheapest Retailer

$12,367 CAD

$8,804 USD

B+

Retailer 2

$12,802 CAD

$9,114 USD

View

B+

Retailer 3

$13,054 CAD

$9,293 USD

View

B+

Retailer 4

$13,406 CAD

$9,543 USD

View

B+

Retailer 5

$13,546 CAD

View

B+

Retailer 6

$13,553 CAD

$9,648 USD

View

Final sale: no returns

B+

Retailer 7

$13,914 CAD

$9,905 USD

View

B+

Retailer 8

$14,068 CAD

$10,015 USD

View

B+

Retailer 9

$15,006 CAD

$10,683 USD

View

B+

Retailer 10

$15,241 CAD

$10,850 USD

View

B+

Retailer 11

$15,255 CAD

£8,551 GBP

View

B+

Retailer 12

$15,476 CAD

$11,017 USD

View

B+

Retailer 13

$15,491 CAD

A$16,966 AUD

View

B+

Retailer 14

$15,679 CAD

$11,162 USD

View

B+

Retailer 15

$16,240 CAD

$11,561 USD

View

B+

Retailer 16

$16,281 CAD

£9,126 GBP

View

B+

Retailer 17

$16,491 CAD

$11,740 USD

View

B+

Retailer 18

$16,491 CAD

$11,740 USD

View

B+

Retailer 19

$16,906 CAD

€11,462 EUR

View

Retailer 20

$17,039 CAD

$12,130 USD

View

Retailer 21

$17,124 CAD

$12,190 USD

View

Retailer 22

$17,585 CAD

$12,519 USD

View

Retailer 23

$18,031 CAD

$12,836 USD

View

Retailer 24

$18,513 CAD

$13,179 USD

View

Retailer 25

$20,420 CAD

ZAR 234,849 ZAR

View

Price last confirmed 12 days ago

Retailer 26

$22,089 CAD

£12,382 GBP

View

Most Expensive

NZ Jewellers

14b7eaaa-b1aa-4f7f-8bb9-08ca8103b316 · Oct 27

$23,447 CAD

$16,692 USD

View

26 more retailers have this diamond

Prices start from $12,367 CADSave up to $11,080 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+

1.51ct Round

$12,367 CAD