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Round|Natural|GIA

1.00ct E SI1 Round Natural Diamond

VG • E/SI1 • GIA 7556341509

Certificate GIA 7556341509

Diamond specifications and retailer prices

From €1,870 EUR
As of November 4, 2026
Save €3,138 EUR (63%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €5,008 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7556341509. Listed at 27 retailers as of November 4, 2026, with prices from €1,870 to €5,008, a €3,138 spread on the same certified stone. NZ Jewellers lists it at €5,008. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7556341509
Dimensions6.49 × 6.42 × 3.83 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Needle, Natural
Top View
6.49 mm6.42 mm1.00 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7556341509
Side View
Table 64.0%Crown 31.5°Girdle: THN-THKPavilion 41.2°Culet: NoneDepth 59.3%

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 4
Current: €5,008 EUR|Low: €1,859 EUR|High: €5,008 EUR|Avg: €2,655 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 11
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
November 6, 2026
Retailer 3€1,870 EUR
Retailer 23€1,877 EUR
Retailer 11€2,116 EUR
Retailer 17€2,120 EUR
Retailer 24€2,140 EUR
Retailer 15€2,145 EUR
Retailer 12€2,211 EUR
Retailer 2€2,292 EUR
Retailer 4€2,361 EUR
Retailer 8€2,380 EUR
Retailer 6€2,396 EUR
Retailer 9€2,396 EUR
Retailer 10€2,402 EUR
Retailer 7€2,488 EUR
Retailer 20€2,520 EUR
Retailer 5€2,521 EUR
Retailer 13€2,604 EUR
Retailer 19€2,742 EUR
Retailer 14€2,765 EUR
Retailer 21€2,806 EUR
Retailer 25€2,917 EUR
Retailer 22€2,924 EUR
Retailer 16€3,524 EUR
Retailer 18€3,622 EUR
Retailer 26€4,185 EUR
NZ Jewellers€5,008 EUR

20 data points across 26 retailers

27 retailers€1,870 EUR to €5,008 EUR

A
Cheapest Retailer
-
€1,870 EUR
A
Retailer 2
-
€1,877 EUR
View
A
Retailer 3
-
€2,116 EUR
View
A
Retailer 4
-
€2,120 EUR
View
A
Retailer 5
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€2,140 EUR
View
A
Retailer 6
-
€2,145 EUR
View
A
Retailer 7
-
€2,211 EUR
View
Final sale: no returns
A
Retailer 8
-
€2,292 EUR
View
B+
Retailer 9
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€2,361 EUR
View
A
Retailer 10
-
€2,380 EUR
View
Retailer 11
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€2,396 EUR
View
Price last confirmed 8 days ago
A
Retailer 12
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€2,396 EUR
View
A
Retailer 13
-
€2,402 EUR
View
B+
Retailer 14
-
€2,488 EUR
View
A
Retailer 15
-
€2,520 EUR
View
B+
Retailer 16
-
€2,521 EUR
View
B+
Retailer 17
-
€2,604 EUR
View
B+
Retailer 18
-
€2,742 EUR
View
B+
Retailer 19
-
€2,765 EUR
View
B+
Retailer 20
-
€2,806 EUR
View
Retailer 21
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€2,816 EUR
View
Price last confirmed 30 days ago
B+
Retailer 22
-
€2,917 EUR
View
B+
Retailer 23
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€2,924 EUR
View
B
Retailer 24
-
€3,524 EUR
View
B
Retailer 25
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€3,622 EUR
View
B
Retailer 26
-
€4,185 EUR
View
Most Expensive
B
NZ Jewellers
5902ba5c-c8b1-40b6-acc0-31f7ddff97ce · Nov 5
€5,008 EUR
$5,621 USD
View
26 more retailers have this diamond
Prices start from €1,870 EURSave up to €3,138 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
1.00ct Round
€1,870 EUR