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Round|Natural|GIA

1.01ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6492554464

Certificate GIA 6492554464

Diamond specifications and retailer prices

From €2,508 EUR
$2,791 USD
As of October 28, 2026
Save €4,371 EUR (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €6,878 EUR at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

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 6492554464. Listed at 24 retailers as of October 28, 2026, with prices from €2,508 to €6,878, a €4,371 spread on the same certified stone. Diamond Quarter lists it at €6,878. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6492554464
Dimensions6.40 × 6.36 × 3.96 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.40 mm6.36 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492554464
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: Oct 28
Current: €3,501 EUR|Low: €2,508 EUR|High: €5,743 EUR|Avg: €3,371 EUR|+2.1%
Retailer 1
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
Retailer 17
Retailer 18
October 29, 2026
Retailer 9€2,508 EUR
Retailer 17€2,720 EUR
Retailer 16€2,790 EUR
Retailer 18€2,805 EUR
Retailer 6€2,827 EUR
Retailer 4€2,956 EUR
Retailer 2€3,073 EUR
Retailer 11€3,272 EUR
Retailer 3€3,450 EUR
Retailer 7€3,450 EUR
Retailer 1€3,501 EUR
Retailer 14€3,567 EUR
Retailer 5€3,579 EUR
Retailer 10€3,635 EUR
Retailer 8€3,828 EUR
Retailer 15€3,897 EUR
Retailer 13€4,117 EUR
Retailer 12€5,685 EUR

30 data points across 18 retailers

24 retailers€2,508 EUR to €6,878 EUR

A
Cheapest Retailer
-
€2,508 EUR
$2,791 USD
A
Retailer 2
-
€2,720 EUR
$3,027 USD
View
A
Retailer 3
-
€2,790 EUR
$3,105 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
€2,805 EUR
$3,122 USD
View
A
Retailer 5
-
€2,827 EUR
$3,146 USD
View
Final sale: no returns
B+
Retailer 6
-
€2,956 EUR
$3,290 USD
View
B+
Retailer 7
-
€3,063 EUR
$3,409 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
€3,073 EUR
$3,420 USD
View
B+
Retailer 9
-
€3,074 EUR
$3,421 USD
View
Price last confirmed 42 days ago
B+
Retailer 10
-
€3,272 EUR
£2,868 GBP
View
B+
Retailer 11
-
€3,450 EUR
$3,840 USD
View
B+
Retailer 12
-
€3,450 EUR
$3,840 USD
View
B+
Retailer 13
-
€3,501 EUR
£3,069 GBP
View
B+
Retailer 14
-
€3,547 EUR
$3,948 USD
View
Price last confirmed 42 days ago
B+
Retailer 15
-
€3,567 EUR
$3,970 USD
View
B+
Retailer 16
-
€3,579 EUR
$3,984 USD
View
B+
Retailer 17
-
€3,635 EUR
A$6,224 AUD
View
Price last confirmed 20 days ago
B+
Retailer 18
-
€3,828 EUR
$4,261 USD
View
B+
Retailer 19
-
€3,897 EUR
£3,415 GBP
View
B+
Retailer 20
-
€4,117 EUR
ZAR 74,028 ZAR
View
B
Retailer 21
-
€5,685 EUR
£4,982 GBP
View
B
Retailer 22
-
€5,890 EUR
$6,556 USD
View
Price last confirmed 12 days ago
B
Retailer 23
-
€5,912 EUR
$6,580 USD
View
Price last confirmed 41 days ago
Most Expensive
B
Diamond Quarter
1.01SI1E6464056EN · Oct 28
€6,878 EUR
£6,028 GBP
View
23 more retailers have this diamond
Prices start from €2,508 EURSave up to €4,371 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
€2,508 EUR