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Heart|Natural|GIA

1.53ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 6535914760

Certificate GIA 6535914760

Diamond specifications and retailer prices

From $8,260 AUD
$5,802 USD
As of October 31, 2026
Save $8,308 AUD (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $16,568 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535914760. Listed at 17 retailers as of October 30, 2026, with prices from $8,260 to $16,568, a $8,308 spread on the same certified stone. NZ Jewellers lists it at $16,568. 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

1.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.32°
OriginNatural
Grading LabGIA
CertificateGIA 6535914760
Dimensions8.16 × 7.10 × 4.49 mm
L/W Ratio1.15
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Cloud, Crystal, Needle
Top View
8.16 mm7.10 mm1.53 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535914760
Side View
Table 55.0%Crown 35.32°Girdle: STK-VTKPavilionCulet: NoneDepth 55.1%

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: Oct 31
Current: $16,568 AUD|Low: $8,260 AUD|High: $19,015 AUD|Avg: $11,209 AUD|-11.9%
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
November 2, 2026
Retailer 8$8,260 AUD
Retailer 4$8,638 AUD
Retailer 17$8,727 AUD
Retailer 5$9,142 AUD
Retailer 7$9,144 AUD
Retailer 14$9,175 AUD
Retailer 11$9,269 AUD
Retailer 2$9,501 AUD
Retailer 18$9,907 AUD
Retailer 6$10,059 AUD
Retailer 3$10,135 AUD
Retailer 16$10,256 AUD
Retailer 9$10,965 AUD
Retailer 10$11,375 AUD
Retailer 15$11,430 AUD
Retailer 13$12,171 AUD
Retailer 12$14,594 AUD
NZ Jewellers$16,568 AUD

22 data points across 18 retailers

17 retailers$8,260 AUD to $16,568 AUD

A
Cheapest Retailer
-
$8,260 AUD
$5,802 USD
A
Retailer 2
-
$8,638 AUD
$6,068 USD
View
A
Retailer 3
-
$8,727 AUD
$6,130 USD
View
A
Retailer 4
-
$9,142 AUD
$6,422 USD
View
Final sale: no returns
A
Retailer 5
-
$9,144 AUD
$6,423 USD
View
A
Retailer 6
-
$9,175 AUD
$6,445 USD
View
A
Retailer 7
-
$9,269 AUD
£5,127 GBP
View
B+
Retailer 8
-
$9,501 AUD
£5,255 GBP
View
B+
Retailer 9
-
$9,907 AUD
$6,959 USD
View
B+
Retailer 10
-
$10,059 AUD
$7,066 USD
View
B+
Retailer 11
-
$10,135 AUD
$7,119 USD
View
B+
Retailer 12
-
$10,256 AUD
$7,204 USD
View
Retailer 13
-
$10,965 AUD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
$11,430 AUD
$8,029 USD
View
B+
Retailer 15
-
$12,171 AUD
ZAR 138,119 ZAR
View
B
Retailer 16
-
$14,594 AUD
£8,072 GBP
View
Most Expensive
B
NZ Jewellers
74e44654-d13d-4a77-a86a-d1dba938d3ae · Oct 30
$16,568 AUD
$11,638 USD
View
16 more retailers have this diamond
Prices start from $8,260 AUDSave up to $8,308 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
1.53ct Heart
$8,260 AUD