Round|Natural|GIA

1.01ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1156397254

Certificate GIA 1156397254

Diamond specifications and retailer prices

From €4,660 EUR
As of November 1, 2026
Save €4,257 EUR (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €10,151 EUR at NZ Jewellers · As of November 5, 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 1156397254. Listed at 19 retailers as of November 1, 2026, with a 91% 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
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1156397254
Dimensions6.45 × 6.43 × 4.00 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.45 mm6.43 mm1.01 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1156397254
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €10,151 EUR|Low: €4,229 EUR|High: €10,151 EUR|Avg: €6,418 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5€4,660 EUR
Retailer 6€5,076 EUR
Retailer 7€5,499 EUR
Retailer 9€5,499 EUR
Retailer 10€5,499 EUR
Retailer 2€5,725 EUR
Retailer 3€6,226 EUR
Retailer 8€6,344 EUR
Retailer 4€8,917 EUR
NZ Jewellers€10,151 EUR

42 data points across 10 retailers

19 retailers€4,660 EUR to €8,917 EUR

B
Cheapest Retailer
-
€4,660 EUR
B
Retailer 2
-
€4,661 EUR
View
B
Retailer 3
-
€4,796 EUR
View
B
Retailer 4
-
€5,076 EUR
View
Final sale: no returns
B
Retailer 5
-
€5,119 EUR
View
Retailer 6
-
€5,499 EUR
View
Price last confirmed 8 days ago
B
Retailer 7
-
€5,499 EUR
View
B
Retailer 8
-
€5,499 EUR
View
B
Retailer 9
-
€5,725 EUR
View
B
Retailer 10
-
€5,999 EUR
View
B
Retailer 11
-
€6,121 EUR
View
B
Retailer 12
-
€6,121 EUR
View
B
Retailer 13
-
€6,226 EUR
View
B
Retailer 14
-
€6,326 EUR
View
B
Retailer 15
-
€6,344 EUR
View
Retailer 16
-
€6,690 EUR
View
Price last confirmed 14 days ago
B
Retailer 17
-
€8,917 EUR
View
Retailer 18
-
€9,862 EUR
View
Price under review
Most Expensive
NZ Jewellers
8ed12017-f089-4478-9b1f-27566ee2d8fe · Nov 5
€10,151 EUR
$11,394 USD
View
Price under review
18 more retailers have this diamond
Prices start from €4,660 EURSave up to €4,257 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.

B
1.01ct Round
€4,660 EUR