Heart|Natural|GIA

4.26ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 5242046802

Certificate GIA 5242046802

Diamond specifications and retailer prices

From €34,887 EUR

HK$304,500 HKD

As of October 30, 2026

Save €31,607 EUR (48%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: €66,494 EUR at MOH London · As of October 29, 2026

View at MOH London

About this 4.26ct natural heart diamond

This 4.26ct natural heart sits in the three to five carat band, graded J 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 5242046802. Listed at 19 retailers as of October 29, 2026, with prices from €34,887 to €66,494, a €31,607 spread on the same certified stone. MOH London lists it at €66,494. 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

4.26

Carat

Color

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 5242046802

Dimensions9.81 × 11.49 × 6.73 mm

L/W Ratio1.17

Girdle conditionFaceted

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 5242046802

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: €66,494 EUR|Low: €33,822 EUR|High: €66,494 EUR|Avg: €43,020 EUR|+3.1%

MOH London

Retailer 2

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Retailer 19

October 30, 2026

Retailer 18€34,887 EUR

Retailer 16€36,507 EUR

Retailer 10€37,289 EUR

Retailer 4€37,289 EUR

Retailer 15€37,323 EUR

Retailer 17€38,403 EUR

Retailer 3€38,664 EUR

Retailer 2€38,691 EUR

Retailer 11€38,741 EUR

Retailer 6€38,820 EUR

Retailer 13€39,824 EUR

Retailer 19€41,031 EUR

Retailer 14€41,968 EUR

Retailer 5€44,114 EUR

Retailer 9€44,595 EUR

Retailer 12€46,176 EUR

Retailer 8€49,218 EUR

Retailer 7€52,788 EUR

MOH London€66,494 EUR

24 data points across 19 retailers

19 retailers€34,887 EUR to €66,494 EUR

B+

Cheapest Retailer

€34,887 EUR

HK$304,500 HKD

B+

Retailer 2

€36,507 EUR

$40,786 USD

View

Retailer 3

€37,289 EUR

SGD 56,296 SGD

View

Price last confirmed 22 days ago

B+

Retailer 4

€37,289 EUR

$41,660 USD

View

B+

Retailer 5

€37,323 EUR

$41,697 USD

View

Retailer 6

€38,403 EUR

$42,904 USD

View

B+

Retailer 7

€38,664 EUR

$43,196 USD

View

B+

Retailer 8

€38,691 EUR

₹4,116,741 INR

View

Retailer 9

€38,741 EUR

A$66,588 AUD

View

Price last confirmed 28 days ago

B+

Retailer 10

€38,820 EUR

$43,370 USD

View

Final sale: no returns

B+

Retailer 11

€39,824 EUR

£35,033 GBP

View

B+

Retailer 12

€40,559 EUR

A$69,712 AUD

View

B+

Retailer 13

€41,031 EUR

$45,840 USD

View

B+

Retailer 14

€41,968 EUR

$46,887 USD

View

Retailer 15

€44,114 EUR

$49,284 USD

View

Retailer 16

€46,176 EUR

£40,621 GBP

View

Retailer 17

€49,218 EUR

$54,986 USD

View

Retailer 18

€52,788 EUR

ZAR 952,749 ZAR

View

Most Expensive

MOH London

D2BA167B6 · Oct 29

€66,494 EUR

£58,494 GBP

View

18 more retailers have this diamond

Prices start from €34,887 EURSave up to €31,607 EUR

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+

4.26ct Heart

€34,887 EUR