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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 €492 EUR
$552 USD
As of November 2, 2026
Save €867 EUR (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,359 EUR at MOH London · As of November 2, 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 2, 2026, with prices from €492 to €1,359, a €867 spread on the same certified stone. MOH London lists it at €1,359. 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
Color
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: €1,359 EUR|Low: €438 EUR|High: €1,469 EUR|Avg: €731 EUR|-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 15€492 EUR
Retailer 2€495 EUR
Retailer 4€536 EUR
Retailer 5€601 EUR
Retailer 10€603 EUR
Retailer 3€625 EUR
Retailer 6€651 EUR
Retailer 12€651 EUR
Retailer 13€678 EUR
Retailer 9€725 EUR
Retailer 14€737 EUR
Retailer 11€754 EUR
Retailer 8€787 EUR
Retailer 7€945 EUR
MOH London€1,359 EUR

33 data points across 15 retailers

15 retailers€492 EUR to €1,359 EUR

A
Cheapest Retailer
-
€492 EUR
$552 USD
Final sale: no returns
A
Retailer 2
-
€495 EUR
$555 USD
View
A
Retailer 3
-
€536 EUR
HK$4,700 HKD
View
A
Retailer 4
-
€601 EUR
$674 USD
View
A
Retailer 5
-
€603 EUR
$676 USD
View
B+
Retailer 6
-
€625 EUR
$701 USD
View
B+
Retailer 7
-
€651 EUR
$730 USD
View
B+
Retailer 8
-
€651 EUR
$730 USD
View
B+
Retailer 9
-
€678 EUR
$760 USD
View
B+
Retailer 10
-
€725 EUR
£640 GBP
View
B+
Retailer 11
-
€737 EUR
£651 GBP
View
B+
Retailer 12
-
€754 EUR
$846 USD
View
B+
Retailer 13
-
€787 EUR
View
Retailer 14
-
€945 EUR
A$1,631 AUD
View
Price last confirmed 28 days ago
Most Expensive
B
MOH London
0CF2E4FFD · Nov 2
€1,359 EUR
£1,200 GBP
View
14 more retailers have this diamond
Prices start from €492 EURSave up to €867 EUR

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
€492 EUR