Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2548785636

Certificate GIA 2548785636

Diamond specifications and retailer prices

From $14,377 CAD

$10,292 USD

As of October 28, 2026

Save $12,126 CAD (46%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $26,503 CAD at NZ Jewellers · As of October 27, 2026

View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise 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 stated by the retailer rather than the lab and certified by GIA 2548785636. Listed at 16 retailers as of October 27, 2026, with prices from $14,377 to $26,503, a $12,126 spread on the same certified stone. NZ Jewellers lists it at $26,503. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 2548785636

Dimensions11.46 × 5.96 × 3.77 mm

L/W Ratio1.92

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 2548785636

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: Oct 28

Current: $26,503 CAD|Low: $13,571 CAD|High: $26,503 CAD|Avg: $18,165 CAD

NZ Jewellers

Retailer 2

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Retailer 21

October 29, 2026

Retailer 14$13,571 CAD

Retailer 19$14,377 CAD

Retailer 12$14,644 CAD

Retailer 17$15,241 CAD

Retailer 20$15,496 CAD

Retailer 16$15,902 CAD

Retailer 10$16,497 CAD

Retailer 4$16,658 CAD

Retailer 18$17,299 CAD

Retailer 2$17,369 CAD

Retailer 6$17,757 CAD

Retailer 21$18,580 CAD

Retailer 9$18,586 CAD

Retailer 5$18,663 CAD

Retailer 8$18,663 CAD

Retailer 7$19,277 CAD

Retailer 15$19,345 CAD

Retailer 3$19,593 CAD

Retailer 11$21,067 CAD

Retailer 13$24,968 CAD

NZ Jewellers$26,503 CAD

14 data points across 21 retailers

16 retailers$14,377 CAD to $26,503 CAD

Cheapest Retailer

$14,377 CAD

$10,292 USD

B+

Retailer 2

$15,241 CAD

View

B+

Retailer 3

$15,496 CAD

$11,093 USD

View

B+

Retailer 4

$15,902 CAD

$11,384 USD

View

Final sale: no returns

B+

Retailer 5

$16,658 CAD

$11,925 USD

View

B+

Retailer 6

$17,299 CAD

$12,384 USD

View

B+

Retailer 7

$17,369 CAD

£9,791 GBP

View

Retailer 8

$17,757 CAD

$12,712 USD

View

B+

Retailer 9

$18,580 CAD

$13,301 USD

View

B+

Retailer 10

$18,663 CAD

$13,360 USD

View

B+

Retailer 11

$18,663 CAD

$13,360 USD

View

B+

Retailer 12

$19,277 CAD

$13,800 USD

View

B+

Retailer 13

$19,345 CAD

€13,189 EUR

View

Retailer 14

$19,593 CAD

$14,026 USD

View

Retailer 15

$24,968 CAD

£14,074 GBP

View

Most Expensive

NZ Jewellers

be492634-6ba2-4243-8d8b-db70219f853b · Oct 27

$26,503 CAD

$18,973 USD

View

15 more retailers have this diamond

Prices start from $14,377 CADSave up to $12,126 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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1.51ct Marquise

$14,377 CAD