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Heart|Natural|GIA

4.26ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 5242046802

Certificate GIA 5242046802

Diamond specifications and retailer prices

From $56,726 AUD
As of November 6, 2026
Save $50,529 AUD (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $107,255 AUD at MOH London · As of November 4, 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 20 retailers as of November 4, 2026, with prices from $56,726 to $107,255, a $50,529 spread on the same certified stone. MOH London lists it at $107,255. 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
J
Colour
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
Top View
9.81 mm11.49 mm4.26 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242046802
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.6%

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: Nov 6
Current: $107,255 AUD|Low: $56,241 AUD|High: $108,118 AUD|Avg: $71,199 AUD|+1.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 18$56,726 AUD
Retailer 4$59,360 AUD
Retailer 17$60,632 AUD
Retailer 6$60,686 AUD
Retailer 2$62,140 AUD
Retailer 7$62,441 AUD
Retailer 14$62,867 AUD
Retailer 3$63,121 AUD
Retailer 13$63,736 AUD
Retailer 16$65,947 AUD
Retailer 8$66,716 AUD
Retailer 15$67,269 AUD
Retailer 5$68,239 AUD
Retailer 9$71,728 AUD
Retailer 11$74,451 AUD
Retailer 10$80,027 AUD
Retailer 12$85,694 AUD
MOH London$107,255 AUD

24 data points across 18 retailers

20 retailers$56,726 AUD to $107,255 AUD

B+
Cheapest Retailer
-
$56,726 AUD
B+
Retailer 2
-
$59,360 AUD
View
Retailer 3
-
$60,631 AUD
View
Price last confirmed 27 days ago
B+
Retailer 4
-
$60,632 AUD
View
B+
Retailer 5
-
$60,686 AUD
View
B+
Retailer 6
-
$62,140 AUD
View
B
Retailer 7
-
$62,441 AUD
View
B+
Retailer 8
-
$62,867 AUD
View
Retailer 9
-
$62,991 AUD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$63,121 AUD
View
Final sale: no returns
B+
Retailer 11
-
$63,736 AUD
View
B+
Retailer 12
-
$65,947 AUD
View
B+
Retailer 13
-
$66,716 AUD
View
B+
Retailer 14
-
$67,269 AUD
View
B+
Retailer 15
-
$68,239 AUD
View
B
Retailer 16
-
$71,728 AUD
View
B
Retailer 17
-
$74,451 AUD
View
B
Retailer 18
-
$80,027 AUD
View
B
Retailer 19
-
$85,694 AUD
View
Most Expensive
B
MOH London
D2BA167B6 · Nov 4
$107,255 AUD
£58,027 GBP
View
19 more retailers have this diamond
Prices start from $56,726 AUDSave up to $50,529 AUD

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.

B+
4.26ct Heart
$56,726 AUD