CaratHunter
Plans
Heart|Natural|GIA

1.30ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 2538462329

Certificate GIA 2538462329

Diamond specifications and retailer prices

From $2,154 AUD
As of November 5, 2026
Save $3,112 AUD (59%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,266 AUD at NZ Jewellers · As of November 3, 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 2538462329. Listed at 6 retailers as of November 3, 2026, with prices from $2,154 to $5,266, a $3,112 spread on the same certified stone. NZ Jewellers lists it at $5,266. 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
SymmetryExcellent
FluorescenceNone
Crown angle36.57°
Pavilion angle42.06°
OriginNatural
Grading LabGIA
CertificateGIA 2538462329
Dimensions6.50 × 7.65 × 4.60 mm
L/W Ratio1.18
Top View
6.50 mm7.65 mm1.30 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538462329
Side View
Table 62.0%Crown 36.57°GirdlePavilion 42.06°CuletDepth 60.1%

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 5
Current: $5,266 AUD|Low: $2,051 AUD|High: $5,356 AUD|Avg: $2,897 AUD|-1.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$2,051 AUD
Retailer 4$2,154 AUD
Retailer 5$2,158 AUD
Retailer 2$2,219 AUD
Retailer 6$2,259 AUD
Retailer 9$2,660 AUD
Retailer 8$2,943 AUD
Retailer 3$3,787 AUD
NZ Jewellers$5,266 AUD

27 data points across 9 retailers

6 retailers$2,154 AUD to $5,266 AUD

A
Cheapest Retailer
-
$2,154 AUD
A
Retailer 2
-
$2,158 AUD
View
A
Retailer 3
-
$2,219 AUD
View
A
Retailer 4
-
$2,259 AUD
View
Retailer 5
-
$3,787 AUD
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
5d099c11-3d77-40e6-b024-bc5ddb1d8b6f · Nov 3
$5,266 AUD
$3,618 USD
View
5 more retailers have this diamond
Prices start from $2,154 AUDSave up to $3,112 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
$2,154 AUD