CaratHunter
Plans
Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 6552716233

Certificate GIA 6552716233

Diamond specifications and retailer prices

From $5,251 AUD
₹350,503 INR
As of November 1, 2026
Save $6,655 AUD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,906 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 6552716233. Listed at 13 retailers as of October 30, 2026, with prices from $5,251 to $11,906, a $6,655 spread on the same certified stone. NZ Jewellers lists it at $11,906. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552716233
Dimensions7.23 × 8.09 × 4.45 mm
L/W Ratio1.12
Girdle conditionThick
Top View
7.23 mm8.09 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552716233
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 55.0%

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: $11,906 AUD|Low: $5,239 AUD|High: $12,537 AUD|Avg: $7,438 AUD|-5.0%
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
November 2, 2026
Retailer 7$5,251 AUD
Retailer 12$5,512 AUD
Retailer 13$5,959 AUD
Retailer 3$5,966 AUD
Retailer 10$6,442 AUD
Retailer 6$6,796 AUD
Retailer 4$7,049 AUD
Retailer 5$7,255 AUD
Retailer 11$7,284 AUD
Retailer 2$7,732 AUD
Retailer 9$8,400 AUD
Retailer 8$10,884 AUD
NZ Jewellers$11,906 AUD

31 data points across 13 retailers

13 retailers$5,251 AUD to $11,906 AUD

A
Cheapest Retailer
-
$5,251 AUD
₹350,503 INR
A
Retailer 2
-
$5,512 AUD
$3,863 USD
View
Final sale: no returns
A
Retailer 3
-
$5,959 AUD
$4,176 USD
View
A
Retailer 4
-
$5,966 AUD
$4,181 USD
View
B+
Retailer 5
-
$6,442 AUD
$4,515 USD
View
B+
Retailer 6
-
$6,796 AUD
£3,750 GBP
View
B+
Retailer 7
-
$7,049 AUD
$4,940 USD
View
Retailer 8
-
$7,255 AUD
View
Price last confirmed 23 days ago
B+
Retailer 9
-
$7,284 AUD
$5,105 USD
View
B+
Retailer 10
-
$7,732 AUD
€5,161 EUR
View
B+
Retailer 11
-
$8,400 AUD
ZAR 95,107 ZAR
View
B
Retailer 12
-
$10,884 AUD
£6,006 GBP
View
Most Expensive
B
NZ Jewellers
330a619a-19a8-480b-9cf5-5c2244c67c8c · Oct 30
$11,906 AUD
$8,344 USD
View
12 more retailers have this diamond
Prices start from $5,251 AUDSave up to $6,655 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
$5,251 AUD