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Round|Natural|GIA

1.54ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1528863308

Certificate GIA 1528863308

Diamond specifications and retailer prices

From $7,572 AUD
$5,320 USD
As of October 25, 2026
Save $7,159 AUD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $16,635 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1528863308. Listed at 14 retailers as of October 25, 2026, with a 95% 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

1.54
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1528863308
Dimensions7.37 × 7.34 × 4.59 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
7.37 mm7.34 mm1.54 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1528863308
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: Oct 25
Current: $9,446 AUD|Low: $7,572 AUD|High: $14,831 AUD|Avg: $10,340 AUD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$7,572 AUD
Retailer 7$8,620 AUD
Retailer 1$9,446 AUD
Retailer 8$10,021 AUD
Retailer 9$10,021 AUD
Retailer 3$10,260 AUD
Retailer 5$10,963 AUD
Retailer 6$11,858 AUD
Retailer 2$14,731 AUD

40 data points across 9 retailers

14 retailers$7,572 AUD to $14,731 AUD

A
Cheapest Retailer
-
$7,572 AUD
$5,320 USD
A
Retailer 2
-
$7,857 AUD
$5,520 USD
View
A
Retailer 3
-
$8,620 AUD
$6,056 USD
View
A
Retailer 4
-
$9,010 AUD
$6,330 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$9,010 AUD
$6,330 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$9,446 AUD
£5,225 GBP
View
A
Retailer 7
-
$10,021 AUD
$7,040 USD
View
A
Retailer 8
-
$10,021 AUD
$7,040 USD
View
A
Retailer 9
-
$10,260 AUD
€6,865 EUR
View
A
Retailer 10
-
$10,362 AUD
$7,280 USD
View
A
Retailer 11
-
$10,397 AUD
$7,304 USD
View
Price last confirmed 29 days ago
A
Retailer 12
-
$10,963 AUD
$7,702 USD
View
B+
Retailer 13
-
$14,731 AUD
£8,149 GBP
View
Most Expensive
B
NZ Jewellers
7693c501-619d-401b-af7e-1cabf442cd76 · Sep 28
$16,635 AUD
$11,687 USD
View
Price last confirmed 31 days ago
13 more retailers have this diamond
Prices start from $7,572 AUDSave up to $7,159 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 Round
$7,572 AUD