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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 5202477736

Certificate GIA 5202477736

Diamond specifications and retailer prices

From €1,870 EUR
As of November 6, 2026
Save €3,288 EUR (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €5,158 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 top-tier cut grade and certified by GIA 5202477736. Listed at 21 retailers as of November 5, 2026, with prices from €1,870 to €5,158, a €3,288 spread on the same certified stone. NZ Jewellers lists it at €5,158. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5202477736
Dimensions6.37 × 6.34 × 4.00 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.37 mm6.34 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5202477736
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

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: €5,158 EUR|Low: €1,859 EUR|High: €5,158 EUR|Avg: €2,694 EUR
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 17€1,870 EUR
Retailer 3€1,949 EUR
Retailer 6€1,961 EUR
Retailer 9€2,035 EUR
Retailer 15€2,040 EUR
Retailer 18€2,194 EUR
Retailer 10€2,235 EUR
Retailer 8€2,338 EUR
Retailer 2€2,360 EUR
Retailer 4€2,442 EUR
Retailer 7€2,566 EUR
Retailer 11€2,566 EUR
Retailer 19€2,578 EUR
Retailer 12€2,580 EUR
Retailer 5€2,646 EUR
Retailer 13€2,866 EUR
Retailer 16€3,553 EUR
Retailer 14€4,310 EUR
NZ Jewellers€5,158 EUR

30 data points across 19 retailers

21 retailers€1,870 EUR to €5,158 EUR

A
Cheapest Retailer
-
€1,870 EUR
A
Retailer 2
-
€1,949 EUR
View
A
Retailer 3
-
€1,961 EUR
View
A
Retailer 4
-
€1,973 EUR
View
A
Retailer 5
-
€2,035 EUR
View
Final sale: no returns
A
Retailer 6
-
€2,040 EUR
View
A
Retailer 7
-
€2,194 EUR
View
A
Retailer 8
-
€2,235 EUR
View
A
Retailer 9
-
€2,338 EUR
View
A
Retailer 10
-
€2,360 EUR
View
A
Retailer 11
-
€2,442 EUR
View
A
Retailer 12
-
€2,566 EUR
View
A
Retailer 13
-
€2,566 EUR
View
A
Retailer 14
-
€2,578 EUR
View
A
Retailer 15
-
€2,580 EUR
View
A
Retailer 16
-
€2,646 EUR
View
B+
Retailer 17
-
€2,866 EUR
View
Retailer 18
-
€2,981 EUR
View
Price last confirmed 38 days ago
B
Retailer 19
-
€3,553 EUR
View
B
Retailer 20
-
€4,310 EUR
View
Most Expensive
B
NZ Jewellers
329a9ec0-7336-4565-aaca-b918f00a0438 · Nov 5
€5,158 EUR
$5,789 USD
View
20 more retailers have this diamond
Prices start from €1,870 EURSave up to €3,288 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
€1,870 EUR