Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

ID • E/SI1 • GIA 56

Certificate GIA 56

Diamond specifications and retailer prices

From €2,147 EUR
As of November 4, 2026
Save €5,124 EUR (70%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,126 EUR at Aurelinne · As of September 7, 2026
View at Aurelinne

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 20 retailers as of November 4, 2026, with a 239% 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

1.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 56
Dimensions6.51 × 6.54 × 3.92 mm
L/W Ratio1.00
Top View
6.51 mm6.54 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 56
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.7%

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: €2,723 EUR|Low: €2,223 EUR|High: €7,271 EUR|Avg: €3,628 EUR|-26.2%
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 3€2,232 EUR
Retailer 2€2,243 EUR
Retailer 8€2,295 EUR
Retailer 7€2,359 EUR
Retailer 6€2,450 EUR
Aurelinne€2,723 EUR
Retailer 9€3,197 EUR
Retailer 4€3,859 EUR
Retailer 5€4,933 EUR
Retailer 10€7,271 EUR

26 data points across 10 retailers

20 retailers€2,147 EUR to €7,271 EUR

A
Cheapest Retailer
-
€2,147 EUR
A
Retailer 2
-
€2,232 EUR
View
A
Retailer 3
-
€2,243 EUR
View
A
Retailer 4
-
€2,295 EUR
View
A
Retailer 5
-
€2,359 EUR
View
A
Retailer 6
-
€2,450 EUR
View
A
Retailer 7
-
€2,723 EUR
View
Retailer 8
-
€2,913 EUR
View
Price last confirmed 30 days ago
Retailer 9
-
€3,197 EUR
View
Price last confirmed 60 days ago
Retailer 10
-
€3,197 EUR
View
Price last confirmed 23 days ago
Retailer 11
-
€3,689 EUR
View
Price last confirmed 60 days ago
Retailer 12
-
€3,689 EUR
View
Price last confirmed 24 days ago
B+
Retailer 13
-
€3,859 EUR
View
B
Retailer 14
-
€4,933 EUR
View
Retailer 15
-
€5,570 EUR
View
Price last confirmed 23 days ago
B
Retailer 16
-
€5,752 EUR
View
B
Retailer 17
-
€6,244 EUR
View
Retailer 18
-
€7,043 EUR
View
Price last confirmed 60 days ago
B
Retailer 19
-
€7,271 EUR
View
Most Expensive
Aurelinne
4223806a-9c63-426d-bce4-c8fafefb5b04 · Sep 7
€8,126 EUR
$9,121 USD
View
Price last confirmed 60 days ago
19 more retailers have this diamond
Prices start from €2,147 EURSave up to €5,124 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
1.01ct Round
€2,147 EUR