Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5566564828

Certificate GIA 5566564828

Diamond specifications and retailer prices

From €412 EUR
As of November 4, 2026
Save €245 EUR (37%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,490 EUR 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 5566564828. Listed at 16 retailers as of October 31, 2026, with a 60% 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
FluorescenceMedium
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5566564828
Dimensions5.27 × 5.27 × 3.17 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.27 mm5.27 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5566564828
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €1,490 EUR|Low: €358 EUR|High: €1,490 EUR|Avg: €579 EUR
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
November 3, 2026
Retailer 3€359 EUR
Retailer 8€412 EUR
Retailer 11€433 EUR
Retailer 6€476 EUR
Retailer 7€508 EUR
Retailer 4€512 EUR
Retailer 5€512 EUR
Retailer 14€543 EUR
Retailer 10€574 EUR
Retailer 13€581 EUR
Retailer 16€610 EUR
Retailer 9€649 EUR
Retailer 2€654 EUR
Retailer 12€657 EUR
Retailer 15€734 EUR
NZ Jewellers€1,490 EUR

8 data points across 16 retailers

16 retailers€412 EUR to €657 EUR

Retailer 1
-
€359 EUR
Price last confirmed 7 days ago
A
Retailer 2
-
€412 EUR
View
Retailer 3
-
€476 EUR
View
Price last confirmed 9 days ago
A
Retailer 4
-
€479 EUR
View
Retailer 5
-
€508 EUR
View
Price last confirmed 7 days ago
Retailer 6
-
€512 EUR
View
Price last confirmed 8 days ago
Retailer 7
-
€512 EUR
View
Price last confirmed 9 days ago
A
Retailer 8
-
€543 EUR
View
A
Retailer 9
-
€574 EUR
View
A
Retailer 10
-
€581 EUR
View
Retailer 11
-
€610 EUR
View
Price last confirmed 7 days ago
Retailer 12
-
€649 EUR
View
Price last confirmed 5 days ago
B+
Retailer 13
-
€654 EUR
View
B+
Retailer 14
-
€657 EUR
View
Retailer 15
-
€734 EUR
View
Price last confirmed 7 days ago
Most Expensive
NZ Jewellers
cdf6bd07-c476-4681-877a-4363af399e82 · Oct 30
€1,490 EUR
$1,664 USD
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from €412 EURSave up to €245 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 Round
€412 EUR