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Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1545694303

Certificate GIA 1545694303

Diamond specifications and retailer prices

From $4,297 AUD
₹286,786 INR
As of November 2, 2026
Save $5,400 AUD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,697 AUD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545694303. Listed at 14 retailers as of October 30, 2026, with prices from $4,297 to $9,697, a $5,400 spread on the same certified stone. NZ Jewellers lists it at $9,697. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545694303
Dimensions7.93 × 6.88 × 4.68 mm
L/W Ratio1.15
Girdle conditionThick
Top View
7.93 mm6.88 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545694303
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 58.9%

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 2
Current: $9,697 AUD|Low: $4,288 AUD|High: $9,697 AUD|Avg: $6,025 AUD
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
November 2, 2026
Retailer 2$4,297 AUD
Retailer 13$4,498 AUD
Retailer 3$4,899 AUD
Retailer 4$5,058 AUD
Retailer 6$5,281 AUD
Retailer 11$5,315 AUD
Retailer 8$5,694 AUD
Retailer 5$5,775 AUD
Retailer 12$6,136 AUD
Retailer 7$6,297 AUD
Retailer 10$6,842 AUD
Retailer 9$9,309 AUD
NZ Jewellers$9,697 AUD

25 data points across 13 retailers

14 retailers$4,297 AUD to $9,697 AUD

A
Cheapest Retailer
-
$4,297 AUD
₹286,786 INR
A
Retailer 2
-
$4,498 AUD
$3,152 USD
View
Final sale: no returns
A
Retailer 3
-
$4,899 AUD
$3,433 USD
View
A
Retailer 4
-
$5,058 AUD
$3,545 USD
View
A
Retailer 5
-
$5,281 AUD
£2,914 GBP
View
A
Retailer 6
-
$5,315 AUD
$3,725 USD
View
A
Retailer 7
-
$5,694 AUD
£3,142 GBP
View
A
Retailer 8
-
$5,775 AUD
$4,048 USD
View
Retailer 9
-
$6,059 AUD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
$6,136 AUD
$4,300 USD
View
A
Retailer 11
-
$6,297 AUD
€4,203 EUR
View
B+
Retailer 12
-
$6,842 AUD
ZAR 77,462 ZAR
View
B+
Retailer 13
-
$9,309 AUD
£5,137 GBP
View
Most Expensive
B
NZ Jewellers
b9c824c7-c3c5-4a5d-81e4-5e52dfcfde33 · Oct 30
$9,697 AUD
$6,796 USD
View
13 more retailers have this diamond
Prices start from $4,297 AUDSave up to $5,400 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
$4,297 AUD