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Heart|Natural|GIA

1.53ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 2544295324

Certificate GIA 2544295324

Diamond specifications and retailer prices

From $4,020 AUD
As of November 1, 2026
Save $4,384 AUD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,403 AUD at NZ Jewellers · As of November 3, 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544295324. Listed at 6 retailers as of November 1, 2026, with prices from $4,020 to $8,403, a $4,384 spread on the same certified stone. NZ Jewellers lists it at $8,403. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.58°
Pavilion angle42.36°
OriginNatural
Grading LabGIA
CertificateGIA 2544295324
Dimensions6.77 × 7.96 × 4.81 mm
L/W Ratio1.18
Top View
6.77 mm7.96 mm1.53 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544295324
Side View
Table 63.0%Crown 43.58°Girdle: THK-ETKPavilion 42.36°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,403 AUD|Low: $3,937 AUD|High: $8,532 AUD|Avg: $5,163 AUD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$3,937 AUD
Retailer 6$4,020 AUD
Retailer 2$4,027 AUD
Retailer 4$4,174 AUD
Retailer 5$4,234 AUD
Retailer 8$4,740 AUD
Retailer 9$5,130 AUD
Retailer 3$7,041 AUD
NZ Jewellers$8,403 AUD

29 data points across 9 retailers

6 retailers$4,020 AUD to $8,403 AUD

A
Cheapest Retailer
-
$4,020 AUD
A
Retailer 2
-
$4,027 AUD
View
A
Retailer 3
-
$4,174 AUD
View
A
Retailer 4
-
$4,234 AUD
View
B
Retailer 5
-
$7,041 AUD
View
Most Expensive
B
NZ Jewellers
a2164dec-fc65-4cdc-b217-846990f7101f · Nov 3
$8,403 AUD
$5,774 USD
View
5 more retailers have this diamond
Prices start from $4,020 AUDSave up to $4,384 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
$4,020 AUD