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Heart|Natural|GIA

1.30ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6415809220

Certificate GIA 6415809220

Diamond specifications and retailer prices

From $5,616 AUD
As of November 6, 2026
Save $5,574 AUD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,190 AUD at MOH London · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6415809220. Listed at 16 retailers as of November 4, 2026, with prices from $5,616 to $11,190, a $5,574 spread on the same certified stone. MOH London lists it at $11,190. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6415809220
Dimensions6.37 × 5.62 × 4.13 mm
L/W Ratio1.13
Top View
6.37 mm5.62 mm1.30 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6415809220
Side View
Table 63.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 73.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,190 AUD|Low: $5,400 AUD|High: $11,356 AUD|Avg: $7,269 AUD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9$5,616 AUD
Retailer 6$5,798 AUD
Retailer 7$5,891 AUD
Retailer 10$6,049 AUD
Retailer 3$6,833 AUD
Retailer 2$6,954 AUD
Retailer 8$7,101 AUD
Retailer 4$7,926 AUD
Retailer 5$8,594 AUD
MOH London$11,190 AUD

40 data points across 10 retailers

16 retailers$5,616 AUD to $11,190 AUD

B+
Cheapest Retailer
-
$5,616 AUD
B
Retailer 2
-
$5,798 AUD
View
B
Retailer 3
-
$5,891 AUD
View
Final sale: no returns
B+
Retailer 4
-
$6,047 AUD
View
B+
Retailer 5
-
$6,049 AUD
View
B
Retailer 6
-
$6,346 AUD
View
B
Retailer 7
-
$6,833 AUD
View
B
Retailer 8
-
$6,899 AUD
View
B
Retailer 9
-
$6,899 AUD
View
B
Retailer 10
-
$6,954 AUD
View
Retailer 11
-
$7,101 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$7,131 AUD
View
Retailer 13
-
$7,779 AUD
View
Price last confirmed 23 days ago
B
Retailer 14
-
$7,926 AUD
View
B
Retailer 15
-
$8,594 AUD
View
Most Expensive
B
MOH London
2B896FE34 · Nov 4
$11,190 AUD
£6,054 GBP
View
15 more retailers have this diamond
Prices start from $5,616 AUDSave up to $5,574 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+
1.30ct Heart
$5,616 AUD