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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 6542551989

Certificate GIA 6542551989

Diamond specifications and retailer prices

From €1,322 EUR
As of November 5, 2026
Save €2,933 EUR (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,255 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 D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 6542551989. Listed at 19 retailers as of November 5, 2026, with prices from €1,322 to €4,255, a €2,933 spread on the same certified stone. NZ Jewellers lists it at €4,255. 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
D
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle42.4°
OriginNatural
Grading LabGIA
CertificateGIA 6542551989
Dimensions6.30 × 6.24 × 4.07 mm
L/W Ratio1.01
Top View
6.30 mm6.24 mm1.00 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542551989
Side View
Table 59.0%Crown 34.5°Girdle: MED-THKPavilion 42.4°Culet: NDepth 64.9%

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: €4,255 EUR|Low: €1,322 EUR|High: €4,316 EUR|Avg: €1,899 EUR|-1.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 19€1,322 EUR
Retailer 4€1,441 EUR
Retailer 15€1,459 EUR
Retailer 9€1,490 EUR
Retailer 14€1,495 EUR
Retailer 11€1,520 EUR
Retailer 3€1,581 EUR
Retailer 10€1,603 EUR
Retailer 8€1,613 EUR
Retailer 16€1,630 EUR
Retailer 7€1,654 EUR
Retailer 6€1,755 EUR
Retailer 18€1,755 EUR
Retailer 2€1,809 EUR
Retailer 17€1,824 EUR
Retailer 12€1,872 EUR
Retailer 13€2,217 EUR
Retailer 5€3,092 EUR
NZ Jewellers€4,255 EUR

31 data points across 19 retailers

19 retailers€1,322 EUR to €4,255 EUR

A
Cheapest Retailer
-
€1,322 EUR
A
Retailer 2
-
€1,441 EUR
View
A
Retailer 3
-
€1,459 EUR
View
Final sale: no returns
A
Retailer 4
-
€1,490 EUR
View
A
Retailer 5
-
€1,495 EUR
View
A
Retailer 6
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€1,520 EUR
View
A
Retailer 7
-
€1,581 EUR
View
Retailer 8
-
€1,603 EUR
View
Price last confirmed 8 days ago
A
Retailer 9
-
€1,613 EUR
View
A
Retailer 10
-
€1,630 EUR
View
A
Retailer 11
-
€1,654 EUR
View
A
Retailer 12
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€1,755 EUR
View
A
Retailer 13
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€1,755 EUR
View
A
Retailer 14
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€1,809 EUR
View
A
Retailer 15
-
€1,824 EUR
View
A
Retailer 16
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€1,872 EUR
View
B+
Retailer 17
-
€2,217 EUR
View
B+
Retailer 18
-
€3,092 EUR
View
Most Expensive
B
NZ Jewellers
ec507c66-be37-4794-813a-ae2f4fb2529f · Nov 5
€4,255 EUR
$4,776 USD
View
18 more retailers have this diamond
Prices start from €1,322 EURSave up to €2,933 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
€1,322 EUR