Marquise|Natural|GIA

1.51ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 7566682513

Certificate GIA 7566682513

Diamond specifications and retailer prices

From $9,052 CAD

SGD 8,757 SGD

As of November 1, 2026

Save $5,557 CAD (38%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $14,609 CAD at Helzberg Diamonds · As of November 1, 2026

View at Helzberg Diamonds

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566682513. Listed at 14 retailers as of November 1, 2026, with prices from $9,052 to $14,609, a $5,557 spread on the same certified stone. Helzberg Diamonds lists it at $14,609. 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

SI2

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.21°

Pavilion angle38.5°

OriginNatural

Grading LabGIA

CertificateGIA 7566682513

Dimensions11.51 × 6.08 × 3.55 mm

L/W Ratio1.89

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 7566682513

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: Nov 1

Current: $14,609 CAD|Low: $9,052 CAD|High: $14,609 CAD|Avg: $10,951 CAD

Helzberg Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

November 2, 2026

Retailer 11$9,052 CAD

Retailer 5$9,390 CAD

Retailer 10$9,450 CAD

Retailer 8$9,579 CAD

Retailer 9$9,710 CAD

Retailer 6$9,987 CAD

Retailer 3$10,100 CAD

Retailer 4$11,301 CAD

Retailer 12$11,386 CAD

Retailer 13$11,456 CAD

Retailer 2$11,530 CAD

Retailer 7$12,832 CAD

Helzberg Diamonds$14,609 CAD

12 data points across 13 retailers

14 retailers$9,052 CAD to $14,609 CAD

Cheapest Retailer

$9,052 CAD

SGD 8,757 SGD

B+

Retailer 2

$9,390 CAD

$6,722 USD

View

B+

Retailer 3

$9,423 CAD

SGD 9,116 SGD

View

B+

Retailer 4

$9,450 CAD

$6,765 USD

View

B+

Retailer 5

$9,579 CAD

$6,857 USD

View

B+

Retailer 6

$9,710 CAD

$6,951 USD

View

B+

Retailer 7

$9,987 CAD

£5,629 GBP

View

B+

Retailer 8

$10,100 CAD

$7,230 USD

View

B+

Retailer 9

$11,301 CAD

$8,090 USD

View

B+

Retailer 10

$11,386 CAD

$8,151 USD

View

B+

Retailer 11

$11,456 CAD

$8,201 USD

View

B+

Retailer 12

$11,530 CAD

€7,861 EUR

View

Retailer 13

$12,832 CAD

$9,186 USD

View

Most Expensive

Helzberg Diamonds

XZRNLMMMOILHJ · Nov 1

$14,609 CAD

$10,458 USD

View

13 more retailers have this diamond

Prices start from $9,052 CADSave up to $5,557 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

$9,052 CAD