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0.55ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1557129599

Certificate GIA 1557129599

Diamond specifications and retailer prices

From €493 EUR
As of November 5, 2026
Save €417 EUR (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €909 EUR at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.55ct natural round diamond

This 0.55ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557129599. Listed at 11 retailers as of November 5, 2026, with prices from €493 to €909, a €417 spread on the same certified stone. Frank Darling lists it at €909. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1557129599
Dimensions5.33 × 3.19 × 3.19 mm
L/W Ratio1.67
Culet sizeNone
Top View
5.33 mm3.19 mm0.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1557129599
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.7%

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 5
Current: €909 EUR|Low: €493 EUR|High: €919 EUR|Avg: €691 EUR|-1.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9€493 EUR
Retailer 10€529 EUR
Retailer 4€571 EUR
Retailer 3€613 EUR
Retailer 7€687 EUR
Retailer 5€737 EUR
Retailer 6€739 EUR
Retailer 2€776 EUR
Retailer 8€786 EUR
Frank Darling€909 EUR

41 data points across 10 retailers

11 retailers€493 EUR to €909 EUR

A
Cheapest Retailer
-
€493 EUR
A
Retailer 2
-
€529 EUR
View
A
Retailer 3
-
€571 EUR
View
A
Retailer 4
-
€613 EUR
View
B+
Retailer 5
-
€630 EUR
View
B+
Retailer 6
-
€687 EUR
View
B+
Retailer 7
-
€737 EUR
View
B+
Retailer 8
-
€739 EUR
View
B+
Retailer 9
-
€776 EUR
View
B+
Retailer 10
-
€786 EUR
View
Most Expensive
B+
Frank Darling
2628440HK · Nov 6
€909 EUR
$1,015 USD
View
10 more retailers have this diamond
Prices start from €493 EURSave up to €417 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
€493 EUR