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Heart|Natural|GIA

1.53ct J SI1 Heart Natural Diamond

ID • J/SI1 • GIA 2548637453

Certificate GIA 2548637453

Diamond specifications and retailer prices

From $5,222 AUD
$3,660 USD
As of November 1, 2026
Save $6,983 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,206 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 J 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 2548637453. Listed at 15 retailers as of October 30, 2026, with prices from $5,222 to $12,206, a $6,983 spread on the same certified stone. NZ Jewellers lists it at $12,206. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2548637453
Dimensions7.95 × 6.74 × 4.76 mm
L/W Ratio1.18
Top View
7.95 mm6.74 mm1.53 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548637453
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $12,206 AUD|Low: $5,222 AUD|High: $12,206 AUD|Avg: $7,634 AUD|+1.0%
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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 8$5,222 AUD
Retailer 4$5,589 AUD
Retailer 7$6,592 AUD
Retailer 13$6,611 AUD
Retailer 14$6,611 AUD
Retailer 15$6,611 AUD
Retailer 16$6,980 AUD
Retailer 2$7,021 AUD
Retailer 3$7,420 AUD
Retailer 5$7,420 AUD
Retailer 12$7,628 AUD
Retailer 6$7,677 AUD
Retailer 9$8,257 AUD
Retailer 11$8,970 AUD
Retailer 10$11,623 AUD
NZ Jewellers$12,206 AUD

40 data points across 16 retailers

15 retailers$5,222 AUD to $12,206 AUD

B+
Cheapest Retailer
-
$5,222 AUD
$3,660 USD
B+
Retailer 2
-
$5,589 AUD
$3,917 USD
View
B
Retailer 3
-
$6,592 AUD
$4,620 USD
View
B
Retailer 4
-
$6,611 AUD
$4,633 USD
View
B
Retailer 5
-
$6,611 AUD
$4,633 USD
View
B+
Retailer 6
-
$6,980 AUD
$4,892 USD
View
B+
Retailer 7
-
$7,021 AUD
£3,875 GBP
View
B
Retailer 8
-
$7,420 AUD
$5,200 USD
View
B
Retailer 9
-
$7,420 AUD
$5,200 USD
View
B
Retailer 10
-
$7,628 AUD
$5,346 USD
View
B
Retailer 11
-
$7,677 AUD
$5,380 USD
View
B
Retailer 12
-
$8,257 AUD
€5,511 EUR
View
B
Retailer 13
-
$8,970 AUD
ZAR 101,560 ZAR
View
B
Retailer 14
-
$11,623 AUD
£6,414 GBP
View
Most Expensive
B
NZ Jewellers
3a9cad81-50c7-4e0d-9251-6185ade14a12 · Oct 30
$12,206 AUD
$8,554 USD
View
14 more retailers have this diamond
Prices start from $5,222 AUDSave up to $6,983 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.

B+
1.53ct Heart
$5,222 AUD