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Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2556802377

Certificate GIA 2556802377

Diamond specifications and retailer prices

From €1,435 EUR
As of November 6, 2026
Save €2,593 EUR (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,028 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556802377. Listed at 14 retailers as of November 5, 2026, with prices from €1,435 to €4,028, a €2,593 spread on the same certified stone. NZ Jewellers lists it at €4,028. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556802377
Dimensions6.94 × 4.95 × 3.30 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
6.94 mm4.95 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556802377
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 66.7%

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: €4,028 EUR|Low: €1,435 EUR|High: €4,138 EUR|Avg: €2,226 EUR|-2.7%
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
November 7, 2026
Retailer 8€1,435 EUR
Retailer 14€1,523 EUR
Retailer 7€1,721 EUR
Retailer 12€1,740 EUR
Retailer 11€1,927 EUR
Retailer 6€1,953 EUR
Retailer 3€2,015 EUR
Retailer 9€2,050 EUR
Retailer 2€2,092 EUR
Retailer 4€2,132 EUR
Retailer 5€2,223 EUR
Retailer 10€2,455 EUR
Retailer 13€3,365 EUR
NZ Jewellers€4,028 EUR

23 data points across 14 retailers

14 retailers€1,435 EUR to €4,028 EUR

A
Cheapest Retailer
-
€1,435 EUR
A
Retailer 2
-
€1,523 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,721 EUR
View
A
Retailer 4
-
€1,740 EUR
View
A
Retailer 5
-
€1,927 EUR
View
Retailer 6
-
€1,953 EUR
View
Price last confirmed 9 days ago
A
Retailer 7
-
€2,015 EUR
View
A
Retailer 8
-
€2,050 EUR
View
A
Retailer 9
-
€2,092 EUR
View
A
Retailer 10
-
€2,132 EUR
View
A
Retailer 11
-
€2,223 EUR
View
B+
Retailer 12
-
€2,455 EUR
View
B+
Retailer 13
-
€3,365 EUR
View
Most Expensive
B
NZ Jewellers
831279fb-7ab0-4cbb-8523-a05ce6f13ea7 · Nov 5
€4,028 EUR
$4,497 USD
View
13 more retailers have this diamond
Prices start from €1,435 EURSave up to €2,593 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 Radiant
€1,435 EUR