Round|Natural|GIA

0.55ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1559947635

Certificate GIA 1559947635

Diamond specifications and retailer prices

From €581 EUR
As of November 6, 2026
Save €863 EUR (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,543 EUR at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559947635. Listed at 22 retailers as of November 2, 2026, with a 149% 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

0.55
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559947635
Dimensions5.21 × 5.24 × 3.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal
Top View
5.21 mm5.24 mm0.55 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559947635
Side View
Table 60.0%Crown 35°Girdle: MediumPavilion 41.4°Culet: NoneDepth 62.4%

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: €2,450 EUR|Low: €570 EUR|High: €2,450 EUR|Avg: €1,095 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 6, 2026
Retailer 16€581 EUR
Retailer 4€727 EUR
Retailer 12€749 EUR
Retailer 3€798 EUR
Retailer 10€802 EUR
Retailer 11€804 EUR
Retailer 8€892 EUR
Retailer 7€922 EUR
Retailer 2€950 EUR
Retailer 9€1,015 EUR
Retailer 5€1,044 EUR
Retailer 6€1,091 EUR
Retailer 13€1,106 EUR
Retailer 14€1,217 EUR
Retailer 15€1,444 EUR
NZ Jewellers€2,450 EUR

27 data points across 16 retailers

22 retailers€581 EUR to €1,444 EUR

A
Cheapest Retailer
-
€581 EUR
A
Retailer 2
-
€727 EUR
View
Final sale: no returns
Retailer 3
-
€748 EUR
View
Price last confirmed 38 days ago
A
Retailer 4
-
€749 EUR
View
A
Retailer 5
-
€798 EUR
View
A
Retailer 6
-
€802 EUR
View
A
Retailer 7
-
€804 EUR
View
Retailer 8
-
€811 EUR
View
Price last confirmed 36 days ago
Retailer 9
-
€842 EUR
View
Price last confirmed 38 days ago
Retailer 10
-
€892 EUR
View
Price last confirmed 19 days ago
Retailer 11
-
€922 EUR
View
Price last confirmed 14 days ago
Retailer 12
-
€935 EUR
View
Price last confirmed 38 days ago
B+
Retailer 13
-
€950 EUR
View
B+
Retailer 14
-
€1,015 EUR
View
B+
Retailer 15
-
€1,044 EUR
View
B+
Retailer 16
-
€1,091 EUR
View
B+
Retailer 17
-
€1,106 EUR
View
B+
Retailer 18
-
€1,217 EUR
View
Retailer 19
-
€1,241 EUR
View
Price last confirmed 33 days ago
B
Retailer 20
-
€1,444 EUR
View
Retailer 21
-
€2,450 EUR
View
Price last confirmed 14 days ago
Most Expensive
NZ Jewellers
e97691f5-6850-4cc3-a733-ef7ac86c9fc3 · Sep 24
€2,543 EUR
$2,854 USD
View
Price last confirmed 43 days ago
21 more retailers have this diamond
Prices start from €581 EURSave up to €863 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
0.55ct Round
€581 EUR