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Heart|Natural|GIA

1.50ct D SI2 Heart Natural Diamond

ID • D/SI2 • GIA 6545519761

Certificate GIA 6545519761

Diamond specifications and retailer prices

From $6,775 AUD
As of November 6, 2026
Save $8,350 AUD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $15,125 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545519761. Listed at 15 retailers as of November 5, 2026, with prices from $6,775 to $15,125, a $8,350 spread on the same certified stone. NZ Jewellers lists it at $15,125. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545519761
Dimensions7.87 × 6.50 × 4.76 mm
L/W Ratio1.21
Top View
7.87 mm6.50 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545519761
Side View
Table 63.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 60.4%

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: $15,125 AUD|Low: $6,241 AUD|High: $15,125 AUD|Avg: $9,177 AUD|+1.0%
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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 12$6,775 AUD
Retailer 4$6,871 AUD
Retailer 17$7,489 AUD
Retailer 5$8,005 AUD
Retailer 13$8,192 AUD
Retailer 14$8,192 AUD
Retailer 15$8,192 AUD
Retailer 2$8,475 AUD
Retailer 3$8,569 AUD
Retailer 7$9,140 AUD
Retailer 8$9,140 AUD
Retailer 6$9,446 AUD
Retailer 16$9,453 AUD
Retailer 9$9,466 AUD
Retailer 10$9,825 AUD
Retailer 11$13,323 AUD
NZ Jewellers$15,125 AUD

35 data points across 17 retailers

15 retailers$6,775 AUD to $15,125 AUD

A
Cheapest Retailer
-
$6,775 AUD
A
Retailer 2
-
$6,871 AUD
View
A
Retailer 3
-
$7,489 AUD
View
Final sale: no returns
A
Retailer 4
-
$8,005 AUD
View
A
Retailer 5
-
$8,192 AUD
View
A
Retailer 6
-
$8,192 AUD
View
A
Retailer 7
-
$8,475 AUD
View
B+
Retailer 8
-
$8,569 AUD
View
B+
Retailer 9
-
$9,140 AUD
View
B+
Retailer 10
-
$9,140 AUD
View
B+
Retailer 11
-
$9,446 AUD
View
B+
Retailer 12
-
$9,453 AUD
View
B+
Retailer 13
-
$9,825 AUD
View
B
Retailer 14
-
$13,323 AUD
View
Most Expensive
B
NZ Jewellers
fc3eb3b4-052e-4c7f-9ce5-96ae64480a2d · Nov 5
$15,125 AUD
$10,392 USD
View
14 more retailers have this diamond
Prices start from $6,775 AUDSave up to $8,350 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
$6,775 AUD