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Heart|Natural|GIA

1.53ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 2546514480

Certificate GIA 2546514480

Diamond specifications and retailer prices

From $4,167 AUD
$2,927 USD
As of November 1, 2026
Save $5,584 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,061 AUD at NZ Jewellers · As of September 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 2546514480. Listed at 13 retailers as of November 1, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546514480
Dimensions7.78 × 6.67 × 4.78 mm
L/W Ratio1.17
Top View
7.78 mm6.67 mm1.53 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546514480
Side View
Table 62.0%CrownGirdle: Ext. ThickPavilionCulet: NoneDepth 61.5%

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: $5,687 AUD|Low: $4,167 AUD|High: $9,774 AUD|Avg: $6,003 AUD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 10$4,167 AUD
Retailer 7$4,499 AUD
Retailer 8$5,232 AUD
Retailer 9$5,395 AUD
Retailer 1$5,687 AUD
Retailer 2$5,965 AUD
Retailer 3$5,965 AUD
Retailer 12$6,036 AUD
Retailer 11$6,164 AUD
Retailer 5$6,596 AUD
Retailer 4$6,757 AUD
Retailer 6$9,750 AUD

42 data points across 12 retailers

13 retailers$4,167 AUD to $9,750 AUD

A
Cheapest Retailer
-
$4,167 AUD
$2,927 USD
A
Retailer 2
-
$4,499 AUD
$3,160 USD
View
Retailer 3
-
$5,232 AUD
$3,675 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$5,395 AUD
$3,790 USD
View
Retailer 5
-
$5,432 AUD
$3,816 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$5,687 AUD
£3,145 GBP
View
B+
Retailer 7
-
$5,965 AUD
$4,190 USD
View
B+
Retailer 8
-
$5,965 AUD
$4,190 USD
View
Retailer 9
-
$6,036 AUD
$4,240 USD
View
Price last confirmed 34 days ago
B+
Retailer 10
-
$6,164 AUD
$4,330 USD
View
B+
Retailer 11
-
$6,596 AUD
€4,413 EUR
View
B
Retailer 12
-
$9,750 AUD
£5,393 GBP
View
Most Expensive
NZ Jewellers
4c5a6315-8c81-4cf0-9940-c795889a369f · Sep 30
$10,061 AUD
$7,067 USD
View
Price last confirmed 32 days ago
12 more retailers have this diamond
Prices start from $4,167 AUDSave up to $5,584 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
$4,167 AUD