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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 6551874408

Certificate GIA 6551874408

Diamond specifications and retailer prices

From €1,616 EUR
As of November 5, 2026
Save €2,837 EUR (64%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,452 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 very-good cut grade and certified by GIA 6551874408. Listed at 24 retailers as of November 5, 2026, with prices from €1,616 to €4,452, a €2,837 spread on the same certified stone. NZ Jewellers lists it at €4,452. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle35°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6551874408
Dimensions6.30 × 6.33 × 3.88 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.30 mm6.33 mm1.00 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6551874408
Side View
Table 60.0%Crown 35°Girdle: ThickPavilion 40.4°Culet: NoneDepth 61.5%

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 5
Current: €4,452 EUR|Low: €1,536 EUR|High: €4,639 EUR|Avg: €2,367 EUR|-4.0%
NZ Jewellers
Retailer 2
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Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
November 6, 2026
Retailer 16€1,584 EUR
Retailer 6€1,616 EUR
Retailer 13€1,742 EUR
Retailer 11€1,781 EUR
Retailer 3€1,877 EUR
Retailer 14€1,919 EUR
Retailer 9€1,929 EUR
Retailer 12€1,936 EUR
Retailer 25€1,948 EUR
Retailer 19€1,959 EUR
Retailer 2€2,018 EUR
Retailer 22€2,038 EUR
Retailer 18€2,090 EUR
Retailer 15€2,098 EUR
Retailer 8€2,113 EUR
Retailer 4€2,226 EUR
Retailer 5€2,230 EUR
Retailer 10€2,230 EUR
Retailer 26€2,239 EUR
Retailer 24€2,311 EUR
Retailer 23€2,468 EUR
Retailer 27€2,480 EUR
Retailer 7€2,599 EUR
Retailer 21€2,601 EUR
Retailer 20€2,731 EUR
Retailer 17€3,679 EUR
NZ Jewellers€4,452 EUR

19 data points across 27 retailers

24 retailers€1,616 EUR to €4,452 EUR

A
Cheapest Retailer
-
€1,616 EUR
A
Retailer 2
-
€1,742 EUR
View
A
Retailer 3
-
€1,781 EUR
View
Final sale: no returns
A
Retailer 4
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€1,877 EUR
View
A
Retailer 5
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€1,929 EUR
View
A
Retailer 6
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€1,948 EUR
View
Retailer 7
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€1,959 EUR
View
Price last confirmed 22 days ago
A
Retailer 8
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€2,018 EUR
View
B+
Retailer 9
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€2,038 EUR
View
Retailer 10
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€2,090 EUR
View
Price last confirmed 21 days ago
Retailer 11
-
€2,098 EUR
View
Price last confirmed 16 days ago
A
Retailer 12
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€2,113 EUR
View
A
Retailer 13
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€2,226 EUR
View
B+
Retailer 14
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€2,230 EUR
View
B+
Retailer 15
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€2,230 EUR
View
A
Retailer 16
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€2,239 EUR
View
B+
Retailer 17
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€2,311 EUR
View
B+
Retailer 18
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€2,468 EUR
View
B+
Retailer 19
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€2,480 EUR
View
B+
Retailer 20
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€2,599 EUR
View
B+
Retailer 21
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€2,601 EUR
View
Retailer 22
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€2,731 EUR
View
Price last confirmed 30 days ago
Retailer 23
-
€3,679 EUR
View
Price last confirmed 18 days ago
Most Expensive
B
NZ Jewellers
620f33cf-fbfa-4f26-948a-5e308fd4b90e · Nov 5
€4,452 EUR
$4,971 USD
View
23 more retailers have this diamond
Prices start from €1,616 EURSave up to €2,837 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
€1,616 EUR