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Heart|Natural|GIA

1.50ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2245044035

Certificate GIA 2245044035

Diamond specifications and retailer prices

From $4,002 AUD
As of November 5, 2026
Save $4,694 AUD (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,696 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245044035. Listed at 11 retailers as of November 5, 2026, with prices from $4,002 to $8,696, a $4,694 spread on the same certified stone. NZ Jewellers lists it at $8,696. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2245044035
Dimensions7.74 × 6.95 × 4.76 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cloud, Needle, Indented Natural
Top View
7.74 mm6.95 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2245044035
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 61.5%

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: $8,696 AUD|Low: $4,002 AUD|High: $8,696 AUD|Avg: $5,109 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$4,002 AUD
Retailer 2$4,034 AUD
Retailer 8$4,160 AUD
Retailer 10$4,160 AUD
Retailer 11$4,320 AUD
Retailer 5$4,403 AUD
Retailer 9$4,800 AUD
Retailer 4$4,842 AUD
Retailer 6$5,076 AUD
Retailer 7$7,267 AUD
NZ Jewellers$8,696 AUD

30 data points across 11 retailers

11 retailers$4,002 AUD to $8,696 AUD

A
Cheapest Retailer
-
$4,002 AUD
A
Retailer 2
-
$4,034 AUD
View
A
Retailer 3
-
$4,160 AUD
View
Retailer 4
-
$4,160 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$4,320 AUD
View
A
Retailer 6
-
$4,403 AUD
View
A
Retailer 7
-
$4,800 AUD
View
B+
Retailer 8
-
$4,842 AUD
View
B+
Retailer 9
-
$5,076 AUD
View
B
Retailer 10
-
$7,267 AUD
View
Most Expensive
B
NZ Jewellers
15205cfe-2ba7-4575-b9f1-f144cae0b60c · Nov 5
$8,696 AUD
$5,975 USD
View
10 more retailers have this diamond
Prices start from $4,002 AUDSave up to $4,694 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
1.50ct Heart
$4,002 AUD