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Heart|Natural|GIA

1.50ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 1545933148

Certificate GIA 1545933148

Diamond specifications and retailer prices

From $7,893 AUD
As of November 7, 2026
Save $3,491 AUD (31%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,384 AUD at Steven Stone · As of November 7, 2026
View at Steven Stone

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545933148. Listed at 9 retailers as of November 7, 2026, with prices from $7,893 to $11,384, a $3,491 spread on the same certified stone. Steven Stone lists it at $11,384. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1545933148
Dimensions6.70 × 7.98 × 4.47 mm
L/W Ratio1.19
Culet sizeNone
Key to symbols
Crystal, Indented Natural, Needle, Natural
Top View
6.70 mm7.98 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545933148
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 56.1%

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 7
Current: $7,893 AUD|Low: $7,615 AUD|High: $11,384 AUD|Avg: $8,819 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Steven Stone
November 7, 2026
Retailer 1$7,893 AUD
Retailer 6$7,967 AUD
Retailer 4$8,259 AUD
Retailer 3$8,529 AUD
Retailer 2$8,587 AUD
Retailer 7$8,697 AUD
Retailer 5$9,693 AUD
Steven Stone$11,384 AUD

43 data points across 8 retailers

9 retailers$7,893 AUD to $11,384 AUD

A
Cheapest Retailer
-
$7,893 AUD
A
Retailer 2
-
$7,967 AUD
View
A
Retailer 3
-
$8,259 AUD
View
A
Retailer 4
-
$8,529 AUD
View
Final sale: no returns
A
Retailer 5
-
$8,587 AUD
View
A
Retailer 6
-
$8,697 AUD
View
B+
Retailer 7
-
$9,693 AUD
View
B+
Retailer 8
-
$10,044 AUD
View
Most Expensive
B
Steven Stone
333467048 · Nov 7
$11,384 AUD
£6,159 GBP
View
8 more retailers have this diamond
Prices start from $7,893 AUDSave up to $3,491 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
$7,893 AUD