Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7521931738

Certificate GIA 7521931738

Diamond specifications and retailer prices

From €1,788 EUR
As of November 6, 2026
Save €3,031 EUR (63%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,819 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7521931738. Listed at 24 retailers as of November 5, 2026, with prices from €1,788 to €4,819, a €3,031 spread on the same certified stone. NZ Jewellers lists it at €4,819. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7521931738
Dimensions6.35 × 6.31 × 3.99 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle, Indented Natural, Natural
Top View
6.35 mm6.31 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7521931738
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.0%

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: €4,819 EUR|Low: €1,777 EUR|High: €4,819 EUR|Avg: €2,645 EUR
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
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Retailer 11
Retailer 12
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 6€1,788 EUR
Retailer 19€1,882 EUR
Retailer 3€2,046 EUR
Retailer 16€2,064 EUR
Retailer 20€2,205 EUR
Retailer 2€2,242 EUR
Retailer 7€2,279 EUR
Retailer 10€2,288 EUR
Retailer 9€2,305 EUR
Retailer 11€2,305 EUR
Retailer 14€2,365 EUR
Retailer 22€2,425 EUR
Retailer 8€2,430 EUR
Retailer 21€2,490 EUR
Retailer 13€2,523 EUR
Retailer 12€2,533 EUR
Retailer 15€2,659 EUR
Retailer 4€2,791 EUR
Retailer 23€2,812 EUR
Retailer 17€3,546 EUR
Retailer 18€3,645 EUR
Retailer 5€4,026 EUR
NZ Jewellers€4,819 EUR

22 data points across 23 retailers

24 retailers€1,788 EUR to €4,819 EUR

A
Cheapest Retailer
-
€1,788 EUR
A
Retailer 2
-
€1,882 EUR
View
A
Retailer 3
-
€2,046 EUR
View
A
Retailer 4
-
€2,064 EUR
View
A
Retailer 5
-
€2,205 EUR
View
A
Retailer 6
-
€2,242 EUR
View
Final sale: no returns
A
Retailer 7
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€2,279 EUR
View
A
Retailer 8
-
€2,288 EUR
View
A
Retailer 9
-
€2,305 EUR
View
Retailer 10
-
€2,305 EUR
View
Price last confirmed 8 days ago
B+
Retailer 11
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€2,365 EUR
View
A
Retailer 12
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€2,425 EUR
View
B+
Retailer 13
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€2,430 EUR
View
B+
Retailer 14
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€2,490 EUR
View
B+
Retailer 15
-
€2,523 EUR
View
B+
Retailer 16
-
€2,533 EUR
View
B+
Retailer 17
-
€2,659 EUR
View
Retailer 18
-
€2,666 EUR
View
Price last confirmed 30 days ago
B+
Retailer 19
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€2,791 EUR
View
B+
Retailer 20
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€2,812 EUR
View
B
Retailer 21
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€3,546 EUR
View
B
Retailer 22
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€3,645 EUR
View
B
Retailer 23
-
€4,026 EUR
View
Most Expensive
B
NZ Jewellers
5cb3b936-66a2-46ea-adc4-2528a6c27ea0 · Nov 5
€4,819 EUR
$5,380 USD
View
23 more retailers have this diamond
Prices start from €1,788 EURSave up to €3,031 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
€1,788 EUR