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Radiant|Natural|GIA

0.54ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5556665444

Certificate GIA 5556665444

Diamond specifications and retailer prices

From $788 AUD
$552 USD
As of November 2, 2026
Save $1,387 AUD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,175 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.54ct natural radiant diamond

This 0.54ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA 5556665444. Listed at 15 retailers as of November 1, 2026, with prices from $788 to $2,175, a $1,387 spread on the same certified stone. MOH London lists it at $2,175. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle54.5°
OriginNatural
Grading LabGIA
CertificateGIA 5556665444
Dimensions5.64 × 4.18 × 2.79 mm
L/W Ratio1.35
Top View
5.64 mm4.18 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5556665444
Side View
Table 68.0%Crown 37°Girdle: ThickPavilion 54.5°Culet: NoneDepth 66.7%

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 2
Current: $2,175 AUD|Low: $701 AUD|High: $2,350 AUD|Avg: $1,170 AUD|-7.5%
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 2, 2026
Retailer 14$788 AUD
Retailer 6$805 AUD
Retailer 3$858 AUD
Retailer 4$962 AUD
Retailer 9$965 AUD
Retailer 15$1,000 AUD
Retailer 5$1,042 AUD
Retailer 11$1,042 AUD
Retailer 12$1,084 AUD
Retailer 8$1,161 AUD
Retailer 13$1,180 AUD
Retailer 10$1,207 AUD
Retailer 2$1,260 AUD
Retailer 7$1,513 AUD
MOH London$2,175 AUD

33 data points across 15 retailers

15 retailers$788 AUD to $2,175 AUD

A
Cheapest Retailer
-
$788 AUD
$552 USD
Final sale: no returns
A
Retailer 2
-
$805 AUD
$564 USD
View
A
Retailer 3
-
$858 AUD
HK$4,700 HKD
View
A
Retailer 4
-
$962 AUD
$674 USD
View
A
Retailer 5
-
$965 AUD
$676 USD
View
B+
Retailer 6
-
$1,000 AUD
$701 USD
View
B+
Retailer 7
-
$1,042 AUD
$730 USD
View
B+
Retailer 8
-
$1,042 AUD
$730 USD
View
B+
Retailer 9
-
$1,084 AUD
$760 USD
View
B+
Retailer 10
-
$1,161 AUD
£640 GBP
View
B+
Retailer 11
-
$1,180 AUD
£651 GBP
View
B+
Retailer 12
-
$1,207 AUD
$846 USD
View
B+
Retailer 13
-
$1,260 AUD
€841 EUR
View
Retailer 14
-
$1,513 AUD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
0CF2E4FFD · Nov 1
$2,175 AUD
£1,200 GBP
View
14 more retailers have this diamond
Prices start from $788 AUDSave up to $1,387 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 Radiant
$788 AUD