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Heart|Natural|GIA

1.31ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 7396858848

Certificate GIA 7396858848

Diamond specifications and retailer prices

From $2,639 AUD
As of November 6, 2026
Save $3,291 AUD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,930 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.31ct natural heart diamond

This 1.31ct natural heart sits in the one-and-a-quarter to one-and-a-half 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 7396858848. Listed at 19 retailers as of November 2, 2026, with prices from $2,639 to $5,930, a $3,291 spread on the same certified stone. MOH London lists it at $5,930. 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

1.31
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7396858848
Dimensions6.40 × 5.77 × 4.01 mm
L/W Ratio1.11
Top View
6.40 mm5.77 mm1.31 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7396858848
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

How it works →
A
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 6
Current: $5,930 AUD|Low: $2,639 AUD|High: $6,002 AUD|Avg: $3,714 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 4$2,639 AUD
Retailer 9$2,644 AUD
Retailer 3$3,123 AUD
Retailer 5$3,283 AUD
Retailer 11$3,385 AUD
Retailer 10$3,438 AUD
Retailer 8$3,639 AUD
Retailer 2$3,678 AUD
Retailer 7$4,130 AUD
Retailer 6$4,202 AUD
MOH London$5,930 AUD

29 data points across 11 retailers

19 retailers$2,639 AUD to $5,930 AUD

A
Cheapest Retailer
-
$2,639 AUD
A
Retailer 2
-
$2,644 AUD
View
A
Retailer 3
-
$3,058 AUD
View
A
Retailer 4
-
$3,123 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,283 AUD
View
A
Retailer 6
-
$3,384 AUD
View
Retailer 7
-
$3,385 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$3,438 AUD
View
B+
Retailer 9
-
$3,588 AUD
View
B+
Retailer 10
-
$3,639 AUD
View
B+
Retailer 11
-
$3,672 AUD
View
B+
Retailer 12
-
$3,678 AUD
View
B+
Retailer 13
-
$3,739 AUD
View
B+
Retailer 14
-
$4,130 AUD
View
Retailer 15
-
$4,167 AUD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$4,202 AUD
View
B
Retailer 17
-
$4,970 AUD
View
B
Retailer 18
-
$5,108 AUD
View
Most Expensive
B
MOH London
64FB601DA · Nov 2
$5,930 AUD
£3,208 GBP
View
18 more retailers have this diamond
Prices start from $2,639 AUDSave up to $3,291 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.

A
1.31ct Heart
$2,639 AUD