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Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1565440501

Certificate GIA 1565440501

Diamond specifications and retailer prices

From $943 AUD
As of November 6, 2026
Save $1,403 AUD (60%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,205 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.54ct natural round diamond

This 0.54ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565440501. Listed at 18 retailers as of November 6, 2026, with a 149% 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

0.54
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565440501
Dimensions5.24 × 5.23 × 3.22 mm
L/W Ratio1.00
Key to symbols
Crystal
Top View
5.24 mm5.23 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565440501
Side View
Table 57.0%Crown 34°Girdle: Med. - Sli. ThickPavilion 40.8°Culet: NDepth 61.4%

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: $3,205 AUD|Low: $923 AUD|High: $3,205 AUD|Avg: $1,385 AUD
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
Retailer 17
Retailer 18
November 7, 2026
Retailer 10$923 AUD
Retailer 7$943 AUD
Retailer 18$1,012 AUD
Retailer 4$1,022 AUD
Retailer 5$1,061 AUD
Retailer 11$1,154 AUD
Retailer 3$1,179 AUD
Retailer 8$1,240 AUD
Retailer 14$1,243 AUD
Retailer 16$1,247 AUD
Retailer 6$1,281 AUD
Retailer 9$1,400 AUD
Retailer 12$1,413 AUD
Retailer 2$1,436 AUD
Retailer 15$1,444 AUD
Retailer 17$1,576 AUD
Retailer 13$2,346 AUD
NZ Jewellers$3,205 AUD

26 data points across 18 retailers

18 retailers$943 AUD to $2,346 AUD

Retailer 1
-
$923 AUD
Price last confirmed 24 days ago
A
Retailer 2
-
$943 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,012 AUD
View
A
Retailer 4
-
$1,022 AUD
View
B+
Retailer 5
-
$1,061 AUD
View
B+
Retailer 6
-
$1,154 AUD
View
Retailer 7
-
$1,179 AUD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$1,240 AUD
View
B+
Retailer 9
-
$1,243 AUD
View
B+
Retailer 10
-
$1,247 AUD
View
B+
Retailer 11
-
$1,281 AUD
View
B
Retailer 12
-
$1,400 AUD
View
B
Retailer 13
-
$1,413 AUD
View
B+
Retailer 14
-
$1,436 AUD
View
B+
Retailer 15
-
$1,444 AUD
View
B
Retailer 16
-
$1,576 AUD
View
B
Retailer 17
-
$2,346 AUD
View
Most Expensive
NZ Jewellers
d9a2cbb4-40cd-4faa-b5ab-c230d1c68559 · Oct 30
$3,205 AUD
$2,202 USD
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $943 AUDSave up to $1,403 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
0.54ct Round
$943 AUD