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Heart|Natural|GIA

1.54ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 2554109389

Certificate GIA 2554109389

Diamond specifications and retailer prices

From $4,539 AUD
$3,181 USD
As of November 2, 2026
Save $718 AUD (14%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $5,257 AUD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.54ct natural heart diamond

This 1.54ct natural heart sits in the one-and-a-half to two carat band, graded H 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 2554109389. Listed at 4 retailers as of November 2, 2026, with prices from $4,539 to $5,257, a $718 spread on the same certified stone. 77 Diamonds lists it at $5,257. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554109389
Dimensions7.02 × 8.20 × 4.64 mm
L/W Ratio1.17
Top View
7.02 mm8.20 mm1.54 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554109389
Side View
Table 56.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.6%

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 2
Current: $5,257 AUD|Low: $4,523 AUD|High: $6,909 AUD|Avg: $5,531 AUD|-14.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$4,539 AUD
Retailer 2$4,881 AUD
Retailer 5$4,979 AUD
Retailer 3$5,220 AUD
77 Diamonds$5,257 AUD
Retailer 6$6,909 AUD

38 data points across 6 retailers

4 retailers$4,539 AUD to $5,257 AUD

A
Cheapest Retailer
-
$4,539 AUD
$3,181 USD
Final sale: no returns
A
Retailer 2
-
$4,881 AUD
$3,421 USD
View
A
Retailer 3
-
$5,220 AUD
SGD 4,944 SGD
View
Most Expensive
A
77 Diamonds
HSCPKKNHP3M8 · Nov 2
$5,257 AUD
£2,901 GBP
View
3 more retailers have this diamond
Prices start from $4,539 AUDSave up to $718 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
$4,539 AUD