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Heart|Natural|GIA

1.30ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5536531320

Certificate GIA 5536531320

Diamond specifications and retailer prices

From $3,215 AUD
As of November 6, 2026
Save $2,859 AUD (47%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,074 AUD at MOH London · As of November 7, 2026
View at MOH London

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5536531320. Listed at 6 retailers as of November 6, 2026, with prices from $3,215 to $6,074, a $2,859 spread on the same certified stone. MOH London lists it at $6,074. 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

1.30
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5536531320
Dimensions7.42 × 6.75 × 4.15 mm
L/W Ratio1.10
Top View
7.42 mm6.75 mm1.30 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536531320
Side View
Table 58.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 55.8%

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: $6,074 AUD|Low: $3,215 AUD|High: $6,105 AUD|Avg: $4,029 AUD|-0.5%
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 7, 2026
Retailer 10$3,215 AUD
Retailer 14$3,295 AUD
Retailer 6$3,378 AUD
Retailer 2$3,397 AUD
Retailer 13$3,480 AUD
Retailer 9$3,646 AUD
Retailer 7$3,676 AUD
Retailer 4$4,221 AUD
Retailer 5$4,221 AUD
Retailer 8$4,257 AUD
Retailer 12$4,333 AUD
Retailer 3$4,352 AUD
Retailer 11$4,432 AUD
MOH London$6,074 AUD

8 data points across 14 retailers

6 retailers$3,215 AUD to $6,074 AUD

A
Cheapest Retailer
-
$3,215 AUD
Final sale: no returns
A
Retailer 2
-
$3,397 AUD
View
A
Retailer 3
-
$3,646 AUD
View
A
Retailer 4
-
$3,676 AUD
View
B+
Retailer 5
-
$4,257 AUD
View
Most Expensive
B+
MOH London
BDDF666E9 · Nov 7
$6,074 AUD
£3,286 GBP
View
5 more retailers have this diamond
Prices start from $3,215 AUDSave up to $2,859 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
1.30ct Heart
$3,215 AUD