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Heart|Natural|GIA

1.50ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 6532972978

Certificate GIA 6532972978

Diamond specifications and retailer prices

From $4,779 AUD
$3,349 USD
As of November 1, 2026
Save $6,859 AUD (59%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,638 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532972978. Listed at 16 retailers as of October 30, 2026, with prices from $4,779 to $11,638, a $6,859 spread on the same certified stone. NZ Jewellers lists it at $11,638. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532972978
Dimensions6.88 × 7.93 × 4.73 mm
L/W Ratio1.15
Top View
6.88 mm7.93 mm1.50 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532972978
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.6%

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 1
Current: $11,638 AUD|Low: $4,610 AUD|High: $11,638 AUD|Avg: $6,977 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 2, 2026
Retailer 5$4,779 AUD
Retailer 3$5,113 AUD
Retailer 16$5,534 AUD
Retailer 12$6,051 AUD
Retailer 13$6,051 AUD
Retailer 14$6,051 AUD
Retailer 4$6,107 AUD
Retailer 17$6,418 AUD
Retailer 2$6,516 AUD
Retailer 7$6,821 AUD
Retailer 8$6,821 AUD
Retailer 15$6,983 AUD
Retailer 6$7,049 AUD
Retailer 10$7,557 AUD
Retailer 9$7,826 AUD
Retailer 11$10,639 AUD
NZ Jewellers$11,638 AUD

34 data points across 17 retailers

16 retailers$4,779 AUD to $11,638 AUD

A
Cheapest Retailer
-
$4,779 AUD
$3,349 USD
A
Retailer 2
-
$5,113 AUD
$3,583 USD
View
A
Retailer 3
-
$5,534 AUD
$3,878 USD
View
Final sale: no returns
A
Retailer 4
-
$6,051 AUD
$4,241 USD
View
B+
Retailer 5
-
$6,051 AUD
$4,241 USD
View
B+
Retailer 6
-
$6,051 AUD
$4,241 USD
View
B+
Retailer 7
-
$6,107 AUD
$4,280 USD
View
B+
Retailer 8
-
$6,418 AUD
$4,498 USD
View
B+
Retailer 9
-
$6,516 AUD
£3,596 GBP
View
B+
Retailer 10
-
$6,821 AUD
$4,780 USD
View
B+
Retailer 11
-
$6,821 AUD
$4,780 USD
View
B+
Retailer 12
-
$6,983 AUD
$4,894 USD
View
B+
Retailer 13
-
$7,049 AUD
$4,940 USD
View
B+
Retailer 14
-
$7,557 AUD
€5,044 EUR
View
B
Retailer 15
-
$10,639 AUD
£5,871 GBP
View
Most Expensive
B
NZ Jewellers
f15c8918-75db-4d52-8a8a-a096d573564d · Oct 30
$11,638 AUD
$8,156 USD
View
15 more retailers have this diamond
Prices start from $4,779 AUDSave up to $6,859 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
$4,779 AUD