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Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1565410290

Certificate GIA 1565410290

Diamond specifications and retailer prices

From €2,155 EUR
As of November 6, 2026
Save €2,813 EUR (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,968 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1565410290. Listed at 24 retailers as of November 5, 2026, with prices from €2,155 to €4,968, a €2,813 spread on the same certified stone. NZ Jewellers lists it at €4,968. 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

1.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565410290
Dimensions6.39 × 6.41 × 3.92 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.39 mm6.41 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565410290
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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 6
Current: €4,968 EUR|Low: €2,132 EUR|High: €4,968 EUR|Avg: €3,239 EUR
NZ Jewellers
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
November 6, 2026
Retailer 3€2,155 EUR
Retailer 2€2,233 EUR
Retailer 15€2,505 EUR
Retailer 17€2,606 EUR
Retailer 10€2,632 EUR
Retailer 4€2,638 EUR
Retailer 11€2,729 EUR
Retailer 5€2,852 EUR
Retailer 7€2,852 EUR
Retailer 13€2,932 EUR
Retailer 6€2,962 EUR
Retailer 12€2,989 EUR
Retailer 9€3,291 EUR
Retailer 16€3,317 EUR
Retailer 14€3,481 EUR
Retailer 8€4,749 EUR
Retailer 18€4,769 EUR
NZ Jewellers€4,968 EUR

21 data points across 18 retailers

24 retailers€2,155 EUR to €4,968 EUR

A
Cheapest Retailer
-
€2,155 EUR
A
Retailer 2
-
€2,233 EUR
View
A
Retailer 3
-
€2,505 EUR
View
B+
Retailer 4
-
€2,555 EUR
View
B+
Retailer 5
-
€2,602 EUR
View
B+
Retailer 6
-
€2,606 EUR
View
B+
Retailer 7
-
€2,632 EUR
View
Final sale: no returns
B+
Retailer 8
-
€2,638 EUR
View
B+
Retailer 9
-
€2,638 EUR
View
B+
Retailer 10
-
€2,729 EUR
View
B+
Retailer 11
-
€2,852 EUR
View
Retailer 12
-
€2,852 EUR
View
Price last confirmed 9 days ago
B+
Retailer 13
-
€2,884 EUR
View
B+
Retailer 14
-
€2,932 EUR
View
B+
Retailer 15
-
€2,962 EUR
View
B+
Retailer 16
-
€2,980 EUR
View
B+
Retailer 17
-
€2,989 EUR
View
Retailer 18
-
€3,058 EUR
View
Price last confirmed 34 days ago
B+
Retailer 19
-
€3,291 EUR
View
B+
Retailer 20
-
€3,317 EUR
View
B+
Retailer 21
-
€3,481 EUR
View
Retailer 22
-
€4,749 EUR
View
Price last confirmed 10 days ago
B
Retailer 23
-
€4,769 EUR
View
Most Expensive
B
NZ Jewellers
825c2c48-2507-4220-9faf-f08f54ee642f · Nov 5
€4,968 EUR
$5,547 USD
View
23 more retailers have this diamond
Prices start from €2,155 EURSave up to €2,813 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
€2,155 EUR