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Heart|Natural|GIA

1.54ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 1553934244

Certificate GIA 1553934244

Diamond specifications and retailer prices

From $4,470 AUD
As of November 6, 2026
Save $1,621 AUD (27%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,090 AUD at GemTrove · As of November 7, 2026
View at GemTrove

About this 1.54ct natural heart diamond

This 1.54ct 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 1553934244. Listed at 8 retailers as of November 6, 2026, with prices from $4,470 to $6,090, a $1,621 spread on the same certified stone. GemTrove lists it at $6,090. 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

1.54
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553934244
Dimensions7.37 × 8.03 × 4.68 mm
L/W Ratio1.09
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
7.37 mm8.03 mm1.54 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553934244
Side View
Table 56.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.3%

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 6
Current: $6,090 AUD|Low: $4,470 AUD|High: $6,090 AUD|Avg: $5,374 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 3$4,470 AUD
Retailer 4$4,526 AUD
Retailer 2$4,835 AUD
Retailer 6$5,298 AUD
Retailer 5$5,385 AUD
Retailer 7$6,044 AUD
GemTrove$6,090 AUD

41 data points across 7 retailers

8 retailers$4,470 AUD to $6,090 AUD

A
Cheapest Retailer
-
$4,470 AUD
A
Retailer 2
-
$4,526 AUD
View
A
Retailer 3
-
$4,835 AUD
View
B+
Retailer 4
-
$5,298 AUD
View
B+
Retailer 5
-
$5,385 AUD
View
B+
Retailer 6
-
$5,689 AUD
View
B+
Retailer 7
-
$6,044 AUD
View
Most Expensive
B+
GemTrove
GT-N-01269910-98 · Nov 7
$6,090 AUD
View
7 more retailers have this diamond
Prices start from $4,470 AUDSave up to $1,621 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
1.54ct Heart
$4,470 AUD