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Heart|Natural|GIA

1.50ct K SI1 Heart Natural Diamond

ID • K/SI1 • GIA 2241081426

Certificate GIA 2241081426

Diamond specifications and retailer prices

From $3,203 AUD
As of November 6, 2026
Save $4,569 AUD (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,772 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 2241081426. Listed at 14 retailers as of November 5, 2026, with prices from $3,203 to $7,772, a $4,569 spread on the same certified stone. NZ Jewellers lists it at $7,772. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2241081426
Dimensions6.49 × 7.76 × 4.95 mm
L/W Ratio1.20
Girdle conditionFaceted
Top View
6.49 mm7.76 mm1.50 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2241081426
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCuletDepth 63.8%

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: $7,772 AUD|Low: $3,148 AUD|High: $8,056 AUD|Avg: $5,075 AUD|-3.5%
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
Retailer 14
November 6, 2026
Retailer 14$3,203 AUD
Retailer 11$4,031 AUD
Retailer 3$4,117 AUD
Retailer 8$4,183 AUD
Retailer 2$4,327 AUD
Retailer 13$4,344 AUD
Retailer 5$4,349 AUD
Retailer 7$4,455 AUD
Retailer 6$4,804 AUD
Retailer 4$5,079 AUD
Retailer 9$5,445 AUD
Retailer 12$6,743 AUD
Retailer 10$7,439 AUD
NZ Jewellers$7,772 AUD

26 data points across 14 retailers

14 retailers$3,203 AUD to $7,772 AUD

A
Cheapest Retailer
-
$3,203 AUD
A
Retailer 2
-
$4,031 AUD
View
A
Retailer 3
-
$4,117 AUD
View
Final sale: no returns
Retailer 4
-
$4,173 AUD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$4,183 AUD
View
A
Retailer 6
-
$4,327 AUD
View
A
Retailer 7
-
$4,344 AUD
View
A
Retailer 8
-
$4,349 AUD
View
A
Retailer 9
-
$4,455 AUD
View
B+
Retailer 10
-
$5,079 AUD
View
B+
Retailer 11
-
$5,445 AUD
View
B
Retailer 12
-
$6,743 AUD
View
B
Retailer 13
-
$7,439 AUD
View
Most Expensive
B
NZ Jewellers
9f46d0e6-acd8-4167-b0cc-8be54194d7a6 · Nov 5
$7,772 AUD
$5,340 USD
View
13 more retailers have this diamond
Prices start from $3,203 AUDSave up to $4,569 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
$3,203 AUD