Round|Natural|GIA

0.54ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1559834371

Certificate GIA 1559834371

Diamond specifications and retailer prices

From €408 EUR
As of November 6, 2026
Save €820 EUR (67%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,847 EUR at NZ Jewellers · As of September 15, 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 1559834371. Listed at 22 retailers as of November 4, 2026, with a 201% 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 angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559834371
Dimensions5.24 × 5.27 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.24 mm5.27 mm0.54 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559834371
Side View
Table 57.0%Crown 35.5°Girdle: THN-STKPavilion 40.6°Culet: NoneDepth 61.1%

Caratlytics Score

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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 6
Current: €491 EUR|Low: €408 EUR|High: €1,336 EUR|Avg: €659 EUR
Retailer 1
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 6, 2026
Retailer 9€408 EUR
Retailer 7€469 EUR
Retailer 1€491 EUR
Retailer 5€491 EUR
Retailer 4€493 EUR
Retailer 3€534 EUR
Retailer 11€538 EUR
Retailer 6€585 EUR
Retailer 8€586 EUR
Retailer 10€644 EUR
Retailer 2€648 EUR
Retailer 16€703 EUR
Retailer 15€706 EUR
Retailer 14€740 EUR
Retailer 12€821 EUR
Retailer 13€1,228 EUR

31 data points across 16 retailers

22 retailers€408 EUR to €1,228 EUR

A
Cheapest Retailer
-
€408 EUR
A
Retailer 2
-
€469 EUR
View
A
Retailer 3
-
€491 EUR
View
A
Retailer 4
-
€491 EUR
View
Final sale: no returns
A
Retailer 5
-
€493 EUR
View
A
Retailer 6
-
€534 EUR
View
A
Retailer 7
-
€538 EUR
View
Retailer 8
-
€579 EUR
View
Price last confirmed 60 days ago
Retailer 9
-
€585 EUR
View
Price last confirmed 22 days ago
Retailer 10
-
€586 EUR
View
Price last confirmed 12 days ago
Retailer 11
-
€589 EUR
View
Price last confirmed 53 days ago
A
Retailer 12
-
€644 EUR
View
A
Retailer 13
-
€648 EUR
View
Retailer 14
-
€668 EUR
View
Price last confirmed 60 days ago
Retailer 15
-
€680 EUR
View
Price last confirmed 53 days ago
B+
Retailer 16
-
€703 EUR
View
B+
Retailer 17
-
€706 EUR
View
B+
Retailer 18
-
€740 EUR
View
B+
Retailer 19
-
€821 EUR
View
Retailer 20
-
€862 EUR
View
Price last confirmed 33 days ago
B
Retailer 21
-
€1,228 EUR
View
Most Expensive
NZ Jewellers
2f4dc8df-35c7-4254-b399-7c0af71b052b · Sep 15
€1,847 EUR
$2,062 USD
View
Price last confirmed 52 days ago
21 more retailers have this diamond
Prices start from €408 EURSave up to €820 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
€408 EUR