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Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 1559987010

Certificate GIA 1559987010

Diamond specifications and retailer prices

From €1,568 EUR
As of November 6, 2026
Save €2,833 EUR (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,401 EUR at NZ Jewellers · As of November 7, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559987010. Listed at 14 retailers as of November 6, 2026, with prices from €1,568 to €4,401, a €2,833 spread on the same certified stone. NZ Jewellers lists it at €4,401. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559987010
Dimensions6.41 × 6.39 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
6.41 mm6.39 mm1.00 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559987010
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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 6
Current: €4,401 EUR|Low: €1,568 EUR|High: €4,855 EUR|Avg: €2,634 EUR|-9.4%
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
November 7, 2026
Retailer 8€1,568 EUR
Retailer 7€1,901 EUR
Retailer 9€1,903 EUR
Retailer 6€2,202 EUR
Retailer 10€2,230 EUR
Retailer 2€2,274 EUR
Retailer 3€2,322 EUR
Retailer 5€2,322 EUR
Retailer 13€2,365 EUR
Retailer 12€2,429 EUR
Retailer 11€2,451 EUR
Retailer 4€4,074 EUR
NZ Jewellers€4,401 EUR

27 data points across 13 retailers

14 retailers€1,568 EUR to €4,401 EUR

A
Cheapest Retailer
-
€1,568 EUR
A
Retailer 2
-
€1,901 EUR
View
A
Retailer 3
-
€1,903 EUR
View
A
Retailer 4
-
€2,202 EUR
View
A
Retailer 5
-
€2,230 EUR
View
A
Retailer 6
-
€2,245 EUR
View
A
Retailer 7
-
€2,274 EUR
View
A
Retailer 8
-
€2,322 EUR
View
Retailer 9
-
€2,322 EUR
View
Price last confirmed 9 days ago
A
Retailer 10
-
€2,365 EUR
View
A
Retailer 11
-
€2,429 EUR
View
A
Retailer 12
-
€2,451 EUR
View
Retailer 13
-
€4,074 EUR
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
6264d278-0ac1-4cc1-ba5e-a9c4b8e8aaaa · Nov 7
€4,401 EUR
$4,914 USD
View
13 more retailers have this diamond
Prices start from €1,568 EURSave up to €2,833 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
€1,568 EUR