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Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 2556703636

Certificate GIA 2556703636

Diamond specifications and retailer prices

From €1,238 EUR
As of November 6, 2026
Save €2,817 EUR (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,055 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 2556703636. Listed at 13 retailers as of November 5, 2026, with prices from €1,238 to €4,055, a €2,817 spread on the same certified stone. NZ Jewellers lists it at €4,055. 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
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2556703636
Dimensions6.72 × 4.92 × 3.44 mm
L/W Ratio1.37
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.72 mm4.92 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2556703636
Side View
Table 70.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,055 EUR|Low: €1,238 EUR|High: €4,151 EUR|Avg: €2,043 EUR|-2.3%
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
November 7, 2026
Retailer 7€1,238 EUR
Retailer 12€1,310 EUR
Retailer 11€1,515 EUR
Retailer 6€1,643 EUR
Retailer 10€1,662 EUR
Retailer 5€1,689 EUR
Retailer 13€1,739 EUR
Retailer 2€1,805 EUR
Retailer 9€1,833 EUR
Retailer 3€1,919 EUR
Retailer 8€2,258 EUR
Retailer 4€2,958 EUR
NZ Jewellers€4,055 EUR

27 data points across 13 retailers

13 retailers€1,238 EUR to €4,055 EUR

A
Cheapest Retailer
-
€1,238 EUR
A
Retailer 2
-
€1,310 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,515 EUR
View
A
Retailer 4
-
€1,643 EUR
View
A
Retailer 5
-
€1,662 EUR
View
Retailer 6
-
€1,689 EUR
View
Price last confirmed 9 days ago
A
Retailer 7
-
€1,739 EUR
View
A
Retailer 8
-
€1,805 EUR
View
A
Retailer 9
-
€1,833 EUR
View
A
Retailer 10
-
€1,919 EUR
View
A
Retailer 11
-
€2,258 EUR
View
B+
Retailer 12
-
€2,958 EUR
View
Most Expensive
B
NZ Jewellers
de370069-1a6f-4651-b937-47086b40d709 · Nov 5
€4,055 EUR
$4,527 USD
View
12 more retailers have this diamond
Prices start from €1,238 EURSave up to €2,817 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
€1,238 EUR