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Heart|Natural|GIA

1.30ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6522487421

Certificate GIA 6522487421

Diamond specifications and retailer prices

From $2,135 AUD
As of November 6, 2026
Save $4,566 AUD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,701 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6522487421. Listed at 13 retailers as of November 5, 2026, with prices from $2,135 to $6,701, a $4,566 spread on the same certified stone. NZ Jewellers lists it at $6,701. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6522487421
Dimensions6.89 × 7.57 × 4.13 mm
L/W Ratio1.10
Top View
6.89 mm7.57 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6522487421
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 54.5%

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: $6,701 AUD|Low: $2,135 AUD|High: $6,701 AUD|Avg: $3,293 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 2$2,135 AUD
Retailer 13$2,503 AUD
Retailer 5$2,748 AUD
Retailer 12$2,748 AUD
Retailer 11$2,757 AUD
Retailer 6$2,810 AUD
Retailer 3$2,874 AUD
Retailer 8$2,982 AUD
Retailer 4$3,170 AUD
Retailer 10$3,170 AUD
Retailer 7$3,732 AUD
Retailer 9$4,800 AUD
NZ Jewellers$6,701 AUD

27 data points across 13 retailers

13 retailers$2,135 AUD to $6,701 AUD

A
Cheapest Retailer
-
$2,135 AUD
A
Retailer 2
-
$2,503 AUD
View
B+
Retailer 3
-
$2,748 AUD
View
Retailer 4
-
$2,748 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$2,757 AUD
View
A
Retailer 6
-
$2,810 AUD
View
B+
Retailer 7
-
$2,874 AUD
View
A
Retailer 8
-
$2,982 AUD
View
B+
Retailer 9
-
$3,170 AUD
View
B+
Retailer 10
-
$3,170 AUD
View
B+
Retailer 11
-
$3,732 AUD
View
B
Retailer 12
-
$4,800 AUD
View
Most Expensive
C
NZ Jewellers
534d3d97-c6a9-4291-a4c0-135290111166 · Nov 5
$6,701 AUD
$4,604 USD
View
12 more retailers have this diamond
Prices start from $2,135 AUDSave up to $4,566 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
$2,135 AUD