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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 $3,270 NZD
As of November 6, 2026
Save $4,040 NZD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,310 NZD at MOH London · As of November 7, 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 6, 2026, with prices from $3,270 to $7,310, a $4,040 spread on the same certified stone. MOH London lists it at $7,310. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,310 NZD|Low: $3,270 NZD|High: $7,439 NZD|Avg: $4,608 NZD|-1.7%
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$3,270 NZD
Retailer 9$3,278 NZD
Retailer 3$3,871 NZD
Retailer 5$4,070 NZD
Retailer 11$4,196 NZD
Retailer 10$4,261 NZD
Retailer 8$4,510 NZD
Retailer 2$4,558 NZD
Retailer 7$5,119 NZD
Retailer 6$5,208 NZD
MOH London$7,310 NZD

29 data points across 11 retailers

19 retailers$3,270 NZD to $7,310 NZD

A
Cheapest Retailer
-
$3,270 NZD
A
Retailer 2
-
$3,278 NZD
View
A
Retailer 3
-
$3,790 NZD
View
A
Retailer 4
-
$3,871 NZD
View
Final sale: no returns
A
Retailer 5
-
$4,070 NZD
View
A
Retailer 6
-
$4,194 NZD
View
Retailer 7
-
$4,196 NZD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$4,261 NZD
View
B+
Retailer 9
-
$4,447 NZD
View
B+
Retailer 10
-
$4,510 NZD
View
B+
Retailer 11
-
$4,551 NZD
View
B+
Retailer 12
-
$4,558 NZD
View
B+
Retailer 13
-
$4,634 NZD
View
B+
Retailer 14
-
$5,119 NZD
View
Retailer 15
-
$5,165 NZD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$5,208 NZD
View
B
Retailer 17
-
$6,160 NZD
View
B
Retailer 18
-
$6,332 NZD
View
Most Expensive
B
MOH London
64FB601DA · Nov 7
$7,310 NZD
£3,191 GBP
View
18 more retailers have this diamond
Prices start from $3,270 NZDSave up to $4,040 NZD

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
$3,270 NZD