Heart|Natural|GIA

1.51ct H SI1 Heart Natural Diamond

ID • H/SI1 • GIA 6561498732

Certificate GIA 6561498732

Diamond specifications and retailer prices

From $5,096 CAD

HK$28,500 HKD

As of November 1, 2026

Save $6,097 CAD (54%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $11,193 CAD at MOH London · As of November 1, 2026

View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561498732. Listed at 15 retailers as of November 1, 2026, with prices from $5,096 to $11,193, a $6,097 spread on the same certified stone. MOH London lists it at $11,193. 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

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6561498732

Dimensions6.86 × 7.75 × 4.64 mm

L/W Ratio1.13

Girdle conditionFaceted

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6561498732

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: $11,193 CAD|Low: $5,096 CAD|High: $11,973 CAD|Avg: $7,235 CAD|-6.5%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

November 2, 2026

Retailer 11$5,096 CAD

Retailer 13$5,892 CAD

Retailer 10$5,907 CAD

Retailer 3$6,173 CAD

Retailer 8$6,211 CAD

Retailer 6$6,531 CAD

Retailer 2$6,579 CAD

Retailer 7$6,597 CAD

Retailer 12$6,621 CAD

Retailer 5$6,656 CAD

Retailer 9$7,487 CAD

Retailer 14$8,701 CAD

Retailer 4$10,861 CAD

MOH London$11,193 CAD

21 data points across 14 retailers

15 retailers$5,096 CAD to $11,193 CAD

Cheapest Retailer

$5,096 CAD

HK$28,500 HKD

Retailer 2

$5,892 CAD

€4,017 EUR

View

Retailer 3

$5,907 CAD

$4,229 USD

View

Retailer 4

$6,173 CAD

$4,419 USD

View

Retailer 5

$6,211 CAD

$4,446 USD

View

Retailer 6

$6,531 CAD

SGD 6,318 SGD

View

B+

Retailer 7

$6,579 CAD

$4,710 USD

View

Final sale: no returns

B+

Retailer 8

$6,597 CAD

£3,719 GBP

View

B+

Retailer 9

$6,621 CAD

£3,732 GBP

View

B+

Retailer 10

$6,656 CAD

$4,765 USD

View

B+

Retailer 11

$7,487 CAD

$5,360 USD

View

Retailer 12

$7,889 CAD

A$8,689 AUD

View

Price last confirmed 23 days ago

B+

Retailer 13

$8,701 CAD

ZAR 100,623 ZAR

View

Retailer 14

$10,861 CAD

$7,775 USD

View

Most Expensive

MOH London

53F8CD7FB · Nov 1

$11,193 CAD

£6,309 GBP

View

14 more retailers have this diamond

Prices start from $5,096 CADSave up to $6,097 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 Heart

$5,096 CAD