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Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2566302813

Certificate GIA 2566302813

Diamond specifications and retailer prices

From €1,334 EUR
As of November 6, 2026
Save €3,023 EUR (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,357 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2566302813. Listed at 19 retailers as of November 5, 2026, with prices from €1,334 to €4,357, a €3,023 spread on the same certified stone. NZ Jewellers lists it at €4,357. 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
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle42.2°
OriginNatural
Grading LabGIA
CertificateGIA 2566302813
Dimensions6.29 × 6.23 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.29 mm6.23 mm1.00 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566302813
Side View
Table 61.0%Crown 34.5°Girdle: STK-THKPavilion 42.2°Culet: NDepth 64.2%

Caratlytics Score

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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: €4,357 EUR|Low: €1,334 EUR|High: €4,357 EUR|Avg: €2,029 EUR|+14.1%
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
Retailer 19
November 6, 2026
Retailer 8€1,334 EUR
Retailer 9€1,384 EUR
Retailer 4€1,542 EUR
Retailer 16€1,615 EUR
Retailer 11€1,622 EUR
Retailer 5€1,629 EUR
Retailer 2€1,638 EUR
Retailer 7€1,648 EUR
Retailer 6€1,786 EUR
Retailer 10€1,859 EUR
Retailer 12€1,859 EUR
Retailer 19€1,868 EUR
Retailer 13€1,935 EUR
Retailer 3€2,061 EUR
Retailer 15€2,064 EUR
Retailer 14€2,292 EUR
Retailer 18€2,587 EUR
Retailer 17€3,120 EUR
NZ Jewellers€4,357 EUR

26 data points across 19 retailers

19 retailers€1,334 EUR to €4,357 EUR

A
Cheapest Retailer
-
€1,334 EUR
Retailer 2
-
€1,384 EUR
View
Price last confirmed 17 days ago
A
Retailer 3
-
€1,542 EUR
View
Retailer 4
-
€1,555 EUR
View
Price last confirmed 20 days ago
A
Retailer 5
-
€1,615 EUR
View
Retailer 6
-
€1,622 EUR
View
Price last confirmed 19 days ago
A
Retailer 7
-
€1,629 EUR
View
A
Retailer 8
-
€1,638 EUR
View
A
Retailer 9
-
€1,648 EUR
View
Final sale: no returns
A
Retailer 10
-
€1,786 EUR
View
A
Retailer 11
-
€1,859 EUR
View
A
Retailer 12
-
€1,868 EUR
View
A
Retailer 13
-
€1,935 EUR
View
A
Retailer 14
-
€2,061 EUR
View
A
Retailer 15
-
€2,064 EUR
View
B+
Retailer 16
-
€2,292 EUR
View
B+
Retailer 17
-
€2,587 EUR
View
B
Retailer 18
-
€3,120 EUR
View
Most Expensive
C
NZ Jewellers
aea2bd82-e878-478a-9d37-d6a4df82a19c · Nov 5
€4,357 EUR
$4,890 USD
View
18 more retailers have this diamond
Prices start from €1,334 EURSave up to €3,023 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
€1,334 EUR