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Heart|Natural|GIA

1.50ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 5413521688

Certificate GIA 5413521688

Diamond specifications and retailer prices

From $5,568 AUD
As of November 6, 2026
Save $9,339 AUD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $14,908 AUD at Adiamor · As of November 5, 2026
View at Adiamor

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5413521688. Listed at 17 retailers as of November 5, 2026, with prices from $5,568 to $14,908, a $9,339 spread on the same certified stone. Adiamor lists it at $14,908. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5413521688
Dimensions7.30 × 7.77 × 4.10 mm
L/W Ratio1.06
Top View
7.30 mm7.77 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5413521688
Side View
Table 64.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 52.8%

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 6
Current: $5,568 AUD|Low: $5,363 AUD|High: $12,495 AUD|Avg: $7,712 AUD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$5,568 AUD
Retailer 6$5,625 AUD
Retailer 5$6,638 AUD
Retailer 7$7,155 AUD
Retailer 3$7,444 AUD
Retailer 9$7,600 AUD
Retailer 8$7,751 AUD
Retailer 2$8,722 AUD
Retailer 4$12,346 AUD

39 data points across 9 retailers

17 retailers$5,568 AUD to $14,908 AUD

A
Cheapest Retailer
-
$5,568 AUD
A
Retailer 2
-
$5,625 AUD
View
B+
Retailer 3
-
$6,619 AUD
View
B+
Retailer 4
-
$6,638 AUD
View
Retailer 5
-
$7,152 AUD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$7,155 AUD
View
Final sale: no returns
B+
Retailer 7
-
$7,444 AUD
View
B+
Retailer 8
-
$7,751 AUD
View
Retailer 9
-
$7,751 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$7,751 AUD
View
B+
Retailer 11
-
$7,974 AUD
View
B
Retailer 12
-
$8,121 AUD
View
B+
Retailer 13
-
$8,722 AUD
View
B+
Retailer 14
-
$8,945 AUD
View
B
Retailer 15
-
$12,346 AUD
View
B
Retailer 16
-
$12,965 AUD
View
Most Expensive
B
Adiamor
D-64681692 · Nov 5
$14,908 AUD
$10,243 USD
View
16 more retailers have this diamond
Prices start from $5,568 AUDSave up to $9,339 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
$5,568 AUD