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Heart|Natural|GIA

1.53ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 250000306035

Shape and cutting style on the report: Heart

Certificate GIA 250000306035

Diamond specifications and retailer prices

From $3,684 AUD
$2,582 USD
As of October 29, 2026
Save $4,018 AUD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,702 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 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 250000306035. Listed at 6 retailers as of October 30, 2026, with prices from $3,684 to $7,702, a $4,018 spread on the same certified stone. NZ Jewellers lists it at $7,702. 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
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 250000306035
Dimensions7.92 × 6.63 × 4.84 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Top View
7.92 mm6.63 mm1.53 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 250000306035
Side View
Table 63.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.0%

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: Oct 29
Current: $7,702 AUD|Low: $3,684 AUD|High: $7,702 AUD|Avg: $4,470 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2$3,684 AUD
Retailer 4$3,684 AUD
Retailer 5$3,854 AUD
Retailer 3$4,251 AUD
Retailer 6$4,366 AUD
NZ Jewellers$7,702 AUD

4 data points across 6 retailers

6 retailers$3,684 AUD to $7,702 AUD

A
Cheapest Retailer
-
$3,684 AUD
$2,582 USD
A
Retailer 2
-
$3,684 AUD
$2,582 USD
View
A
Retailer 3
-
$3,854 AUD
$2,701 USD
View
A
Retailer 4
-
$4,251 AUD
$2,979 USD
View
A
Retailer 5
-
$4,366 AUD
$3,060 USD
View
Most Expensive
B+
NZ Jewellers
86e0e102-8a40-4082-9229-3c59bc0d5f9f · Oct 30
$7,702 AUD
$5,398 USD
View
5 more retailers have this diamond
Prices start from $3,684 AUDSave up to $4,018 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
$3,684 AUD