Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1417574633

Certificate GIA 1417574633

Diamond specifications and retailer prices

From $6,544 AUD
$4,586 USD
As of November 2, 2026
Save $9,279 AUD (59%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $15,823 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 1417574633. Listed at 23 retailers as of October 30, 2026, with prices from $6,544 to $15,823, a $9,279 spread on the same certified stone. NZ Jewellers lists it at $15,823. 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 1417574633
Dimensions6.83 × 8.03 × 4.69 mm
L/W Ratio1.18
Culet sizeNone
Top View
6.83 mm8.03 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1417574633
Side View
Table 62.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $15,823 AUD|Low: $6,544 AUD|High: $15,823 AUD|Avg: $9,529 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
Retailer 18
Retailer 19
November 2, 2026
Retailer 5$6,544 AUD
Retailer 2$7,219 AUD
Retailer 9$7,300 AUD
Retailer 4$7,521 AUD
Retailer 10$7,978 AUD
Retailer 15$7,991 AUD
Retailer 3$8,570 AUD
Retailer 7$8,570 AUD
Retailer 16$8,570 AUD
Retailer 18$9,071 AUD
Retailer 17$9,086 AUD
Retailer 14$9,278 AUD
Retailer 19$9,890 AUD
Retailer 6$10,396 AUD
Retailer 11$10,429 AUD
Retailer 13$11,623 AUD
Retailer 8$11,635 AUD
Retailer 12$13,937 AUD
NZ Jewellers$15,823 AUD

34 data points across 19 retailers

23 retailers$6,544 AUD to $15,823 AUD

B+
Cheapest Retailer
-
$6,544 AUD
$4,586 USD
B+
Retailer 2
-
$7,219 AUD
£3,984 GBP
View
B+
Retailer 3
-
$7,300 AUD
$5,116 USD
View
B+
Retailer 4
-
$7,474 AUD
$5,238 USD
View
B+
Retailer 5
-
$7,521 AUD
$5,271 USD
View
B+
Retailer 6
-
$7,777 AUD
$5,450 USD
View
B+
Retailer 7
-
$7,777 AUD
$5,450 USD
View
B+
Retailer 8
-
$7,978 AUD
$5,591 USD
View
B+
Retailer 9
-
$7,991 AUD
$5,600 USD
View
B+
Retailer 10
-
$8,033 AUD
$5,630 USD
View
B
Retailer 11
-
$8,453 AUD
$5,924 USD
View
B+
Retailer 12
-
$8,570 AUD
$6,006 USD
View
B+
Retailer 13
-
$8,570 AUD
$6,006 USD
View
B+
Retailer 14
-
$8,570 AUD
$6,006 USD
View
B+
Retailer 15
-
$9,071 AUD
$6,357 USD
View
Retailer 16
-
$9,086 AUD
£5,014 GBP
View
Price last confirmed 33 days ago
Retailer 17
-
$9,278 AUD
View
Price last confirmed 29 days ago
Retailer 18
-
$9,890 AUD
$6,931 USD
View
Price last confirmed 56 days ago
B
Retailer 19
-
$9,890 AUD
$6,931 USD
View
Retailer 20
-
$10,429 AUD
$7,309 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$11,623 AUD
ZAR 131,598 ZAR
View
B
Retailer 22
-
$13,937 AUD
£7,691 GBP
View
Most Expensive
B
NZ Jewellers
4950776f-620c-4179-857b-303f4b41a2c8 · Oct 30
$15,823 AUD
$11,089 USD
View
22 more retailers have this diamond
Prices start from $6,544 AUDSave up to $9,279 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.

B+
1.50ct Heart
$6,544 AUD