Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2516595059

Certificate GIA 2516595059

Diamond specifications and retailer prices

From €1,585 EUR
As of November 4, 2026
Save €2,029 EUR (56%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,324 EUR at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2516595059. Listed at 18 retailers as of November 4, 2026, with a 128% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle32°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2516595059
Dimensions6.53 × 6.47 × 3.94 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.53 mm6.47 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2516595059
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.6%

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: €2,205 EUR|Low: €1,585 EUR|High: €3,667 EUR|Avg: €2,191 EUR
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€1,585 EUR
Retailer 5€1,663 EUR
Retailer 4€1,814 EUR
Retailer 6€1,849 EUR
Retailer 3€1,908 EUR
Retailer 10€1,929 EUR
Retailer 2€1,951 EUR
Retailer 1€2,205 EUR
Retailer 8€2,235 EUR
Retailer 7€2,566 EUR
Retailer 9€3,614 EUR

28 data points across 11 retailers

18 retailers€1,585 EUR to €3,614 EUR

A
Cheapest Retailer
-
€1,585 EUR
A
Retailer 2
-
€1,663 EUR
View
A
Retailer 3
-
€1,814 EUR
View
A
Retailer 4
-
€1,849 EUR
View
A
Retailer 5
-
€1,908 EUR
View
Final sale: no returns
A
Retailer 6
-
€1,929 EUR
View
A
Retailer 7
-
€1,951 EUR
View
A
Retailer 8
-
€1,981 EUR
View
Retailer 9
-
€2,068 EUR
View
Price last confirmed 21 days ago
Retailer 10
-
€2,068 EUR
View
Price last confirmed 17 days ago
A
Retailer 11
-
€2,129 EUR
View
Retailer 12
-
€2,163 EUR
View
Price last confirmed 22 days ago
A
Retailer 13
-
€2,205 EUR
View
A
Retailer 14
-
€2,235 EUR
View
Retailer 15
-
€2,386 EUR
View
Price last confirmed 19 days ago
A
Retailer 16
-
€2,566 EUR
View
B
Retailer 17
-
€3,614 EUR
View
Most Expensive
NZ Jewellers
14b96735-5840-4dde-8432-30cea7101ad0 · Oct 17
€4,324 EUR
$4,853 USD
View
Price last confirmed 19 days ago
17 more retailers have this diamond
Prices start from €1,585 EURSave up to €2,029 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
€1,585 EUR