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Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2566484531

Certificate GIA 2566484531

Diamond specifications and retailer prices

From $787 AUD
As of November 7, 2026
Save $2,397 AUD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,185 AUD at MOH London · As of November 2, 2026
View at MOH London

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 2566484531. Listed at 15 retailers as of November 2, 2026, with prices from $787 to $3,185, a $2,397 spread on the same certified stone. MOH London lists it at $3,185. 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
OriginNatural
Grading LabGIA
CertificateGIA 2566484531
Dimensions5.18 × 5.22 × 3.23 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.18 mm5.22 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566484531
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

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: $3,185 AUD|Low: $786 AUD|High: $3,185 AUD|Avg: $1,428 AUD
MOH London
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 2$787 AUD
Retailer 7$961 AUD
Retailer 11$968 AUD
Retailer 6$1,004 AUD
Retailer 8$1,377 AUD
Retailer 9$1,450 AUD
Retailer 12$1,605 AUD
Retailer 13$1,805 AUD
Retailer 5$1,859 AUD
Retailer 4$1,921 AUD
Retailer 15$2,070 AUD
Retailer 3$2,203 AUD
Retailer 14$2,249 AUD
Retailer 10$2,682 AUD
MOH London$3,185 AUD

26 data points across 15 retailers

15 retailers$787 AUD to $3,185 AUD

A
Cheapest Retailer
-
$787 AUD
A
Retailer 2
-
$961 AUD
View
A
Retailer 3
-
$968 AUD
View
A
Retailer 4
-
$1,004 AUD
View
B+
Retailer 5
-
$1,377 AUD
View
B+
Retailer 6
-
$1,450 AUD
View
B
Retailer 7
-
$1,605 AUD
View
Final sale: no returns
B
Retailer 8
-
$1,805 AUD
View
B
Retailer 9
-
$1,859 AUD
View
Retailer 10
-
$1,921 AUD
View
Price last confirmed 4 days ago
B
Retailer 11
-
$2,070 AUD
View
B
Retailer 12
-
$2,203 AUD
View
B
Retailer 13
-
$2,249 AUD
View
B
Retailer 14
-
$2,682 AUD
View
Most Expensive
B
MOH London
3AC21DDD2 · Nov 2
$3,185 AUD
£1,723 GBP
View
14 more retailers have this diamond
Prices start from $787 AUDSave up to $2,397 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
$787 AUD