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Heart|Natural|GIA

1.54ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 2537604667

Certificate GIA 2537604667

Diamond specifications and retailer prices

From $5,819 AUD
SGD 5,524 SGD
As of October 29, 2026
Save $5,810 AUD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,629 AUD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.54ct natural heart diamond

This 1.54ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537604667. Listed at 9 retailers as of October 27, 2026, with prices from $5,819 to $11,629, a $5,810 spread on the same certified stone. NZ Jewellers lists it at $11,629. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2537604667
Dimensions7.73 × 6.80 × 4.25 mm
L/W Ratio1.14
Top View
7.73 mm6.80 mm1.54 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2537604667
Side View
Table 60.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,629 AUD|Low: $4,938 AUD|High: $12,074 AUD|Avg: $7,475 AUD|+4.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$5,819 AUD
Retailer 9$6,057 AUD
Retailer 8$6,161 AUD
Retailer 2$6,484 AUD
Retailer 5$6,675 AUD
Retailer 7$6,861 AUD
Retailer 3$6,930 AUD
Retailer 4$10,226 AUD
NZ Jewellers$11,629 AUD

41 data points across 9 retailers

9 retailers$5,819 AUD to $11,629 AUD

A
Cheapest Retailer
-
$5,819 AUD
SGD 5,524 SGD
Retailer 2
-
$6,057 AUD
$4,255 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$6,161 AUD
$4,328 USD
View
Final sale: no returns
A
Retailer 4
-
$6,484 AUD
£3,586 GBP
View
A
Retailer 5
-
$6,675 AUD
$4,689 USD
View
A
Retailer 6
-
$6,861 AUD
$4,819 USD
View
A
Retailer 7
-
$6,930 AUD
$4,868 USD
View
B+
Retailer 8
-
$10,226 AUD
£5,656 GBP
View
Most Expensive
B
NZ Jewellers
00fefd4b-2c31-4732-ad66-3484f04b1f7f · Oct 27
$11,629 AUD
$8,169 USD
View
8 more retailers have this diamond
Prices start from $5,819 AUDSave up to $5,810 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
$5,819 AUD