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Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7551800736

Certificate GIA 7551800736

Diamond specifications and retailer prices

From $763 AUD
As of November 7, 2026
Save $1,348 AUD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,077 AUD at NZ Jewellers · As of September 1, 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 7551800736. Listed at 18 retailers as of November 4, 2026, with a 177% 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7551800736
Dimensions5.15 × 5.18 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.15 mm5.18 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551800736
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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 7
Current: $2,870 AUD|Low: $763 AUD|High: $3,051 AUD|Avg: $1,259 AUD|-5.9%
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
November 7, 2026
Retailer 14$763 AUD
Retailer 11$837 AUD
Retailer 8$894 AUD
Retailer 6$904 AUD
Retailer 15$952 AUD
Retailer 7$1,003 AUD
Retailer 2$1,035 AUD
Retailer 5$1,057 AUD
Retailer 10$1,109 AUD
Retailer 12$1,118 AUD
Retailer 9$1,192 AUD
Retailer 4$1,234 AUD
Retailer 13$1,271 AUD
Retailer 3$2,110 AUD
NZ Jewellers$2,870 AUD

28 data points across 15 retailers

18 retailers$763 AUD to $2,110 AUD

A
Cheapest Retailer
-
$763 AUD
A
Retailer 2
-
$837 AUD
View
Final sale: no returns
A
Retailer 3
-
$894 AUD
View
Retailer 4
-
$904 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$952 AUD
View
Retailer 6
-
$972 AUD
View
Price last confirmed 61 days ago
Retailer 7
-
$1,003 AUD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$1,035 AUD
View
Retailer 9
-
$1,057 AUD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$1,109 AUD
View
B+
Retailer 11
-
$1,118 AUD
View
Retailer 12
-
$1,122 AUD
View
Price last confirmed 61 days ago
B+
Retailer 13
-
$1,192 AUD
View
B+
Retailer 14
-
$1,234 AUD
View
B+
Retailer 15
-
$1,271 AUD
View
B
Retailer 16
-
$2,110 AUD
View
Retailer 17
-
$2,870 AUD
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
974516c5-007e-40ad-a644-b074377f1d69 · Sep 1
$3,077 AUD
$2,114 USD
View
Price last confirmed 67 days ago
17 more retailers have this diamond
Prices start from $763 AUDSave up to $1,348 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
$763 AUD