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Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 5556934240

Certificate GIA 5556934240

Diamond specifications and retailer prices

From $5,084 AUD
HK$27,900 HKD
As of November 2, 2026
Save $6,823 AUD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,907 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 5556934240. Listed at 20 retailers as of October 30, 2026, with prices from $5,084 to $11,907, a $6,823 spread on the same certified stone. NZ Jewellers lists it at $11,907. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556934240
Dimensions7.17 × 7.69 × 4.70 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Cavity
Top View
7.17 mm7.69 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556934240
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.1%

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 2
Current: $11,907 AUD|Low: $5,066 AUD|High: $11,907 AUD|Avg: $7,283 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 10$5,084 AUD
Retailer 2$5,442 AUD
Retailer 7$6,029 AUD
Retailer 14$6,267 AUD
Retailer 11$6,442 AUD
Retailer 8$6,511 AUD
Retailer 15$6,751 AUD
Retailer 3$6,835 AUD
Retailer 4$6,835 AUD
Retailer 6$6,835 AUD
Retailer 9$6,961 AUD
Retailer 13$7,004 AUD
Retailer 12$7,680 AUD
Retailer 5$7,885 AUD
Retailer 17$8,401 AUD
Retailer 16$10,886 AUD
NZ Jewellers$11,907 AUD

24 data points across 17 retailers

20 retailers$5,084 AUD to $11,907 AUD

A
Cheapest Retailer
-
$5,084 AUD
HK$27,900 HKD
A
Retailer 2
-
$5,442 AUD
₹364,059 INR
View
A
Retailer 3
-
$6,029 AUD
SGD 5,723 SGD
View
A
Retailer 4
-
$6,267 AUD
$4,402 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,268 AUD
$4,403 USD
View
B+
Retailer 6
-
$6,271 AUD
$4,405 USD
View
B+
Retailer 7
-
$6,442 AUD
£3,563 GBP
View
Retailer 8
-
$6,511 AUD
SGD 6,181 SGD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$6,751 AUD
£3,734 GBP
View
B+
Retailer 10
-
$6,835 AUD
$4,801 USD
View
B+
Retailer 11
-
$6,835 AUD
$4,801 USD
View
B+
Retailer 12
-
$6,835 AUD
$4,801 USD
View
Retailer 13
-
$6,934 AUD
View
Price last confirmed 23 days ago
B+
Retailer 14
-
$6,961 AUD
$4,890 USD
View
B+
Retailer 15
-
$7,004 AUD
$4,920 USD
View
B+
Retailer 16
-
$7,680 AUD
€5,138 EUR
View
B+
Retailer 17
-
$7,885 AUD
$5,539 USD
View
B
Retailer 18
-
$8,401 AUD
ZAR 95,334 ZAR
View
B
Retailer 19
-
$10,886 AUD
£6,021 GBP
View
Most Expensive
B
NZ Jewellers
bb6badf4-3045-4ab7-ba0e-cdeb5d73db84 · Oct 30
$11,907 AUD
$8,364 USD
View
19 more retailers have this diamond
Prices start from $5,084 AUDSave up to $6,823 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
$5,084 AUD