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Round|Natural|GIA

0.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552576591

Certificate GIA 6552576591

Diamond specifications and retailer prices

From €416 EUR
As of November 6, 2026
Save €1,459 EUR (78%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: €1,876 EUR at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552576591. Listed at 29 retailers as of November 6, 2026, with prices from €416 to €1,876, a €1,459 spread on the same certified stone. NZ Jewellers lists it at €1,876. 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

0.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552576591
Dimensions5.04 × 5.07 × 3.16 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.04 mm5.07 mm0.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552576591
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.5%

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 6
Current: €769 EUR|Low: €416 EUR|High: €1,493 EUR|Avg: €827 EUR|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11€416 EUR
Retailer 7€452 EUR
Retailer 3€583 EUR
Retailer 9€712 EUR
Retailer 4€726 EUR
Retailer 1€769 EUR
Retailer 5€794 EUR
Retailer 2€898 EUR
Retailer 6€923 EUR
Retailer 8€1,379 EUR
Retailer 10€1,493 EUR

38 data points across 11 retailers

29 retailers€416 EUR to €1,876 EUR

A
Cheapest Retailer
-
€416 EUR
Final sale: no returns
A
Retailer 2
-
€452 EUR
View
A
Retailer 3
-
€542 EUR
View
Retailer 4
-
€555 EUR
View
Price last confirmed 43 days ago
A
Retailer 5
-
€559 EUR
View
A
Retailer 6
-
€564 EUR
View
Retailer 7
-
€583 EUR
View
Price last confirmed 21 days ago
B+
Retailer 8
-
€583 EUR
View
B+
Retailer 9
-
€597 EUR
View
B+
Retailer 10
-
€625 EUR
View
B+
Retailer 11
-
€635 EUR
View
B+
Retailer 12
-
€641 EUR
View
B+
Retailer 13
-
€662 EUR
View
B+
Retailer 14
-
€690 EUR
View
B+
Retailer 15
-
€690 EUR
View
B+
Retailer 16
-
€708 EUR
View
B
Retailer 17
-
€712 EUR
View
B+
Retailer 18
-
€715 EUR
View
B+
Retailer 19
-
€726 EUR
View
B+
Retailer 20
-
€757 EUR
View
B+
Retailer 21
-
€769 EUR
View
B+
Retailer 22
-
€794 EUR
View
B+
Retailer 23
-
€832 EUR
View
Retailer 24
-
€898 EUR
View
Price last confirmed 33 days ago
B
Retailer 25
-
€923 EUR
View
B
Retailer 26
-
€1,379 EUR
View
B
Retailer 27
-
€1,493 EUR
View
B
Retailer 28
-
€1,716 EUR
View
Most Expensive
B
NZ Jewellers
cf69cd33-9a1a-4024-aa60-a002fac21ee3 · Nov 6
€1,876 EUR
$2,094 USD
View
28 more retailers have this diamond
Prices start from €416 EURSave up to €1,459 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
0.50ct Round
€416 EUR