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Radiant|Natural|GIA

1.00ct D SI2 Radiant Natural Diamond

VG • D/SI2 • GIA 2556353422

Certificate GIA 2556353422

Diamond specifications and retailer prices

From €1,427 EUR
₹151,782 INR
As of October 31, 2026
Save €2,543 EUR (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,970 EUR at NZ Jewellers · As of October 30, 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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2556353422. Listed at 16 retailers as of October 30, 2026, with prices from €1,427 to €3,970, a €2,543 spread on the same certified stone. NZ Jewellers lists it at €3,970. 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
Color
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2556353422
Dimensions6.77 × 5.01 × 3.41 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Cavity
Top View
6.77 mm5.01 mm1.00 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556353422
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.1%

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: Oct 31
Current: €3,970 EUR|Low: €1,427 EUR|High: €3,997 EUR|Avg: €2,135 EUR|-0.7%
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
Retailer 15
November 1, 2026
Retailer 11€1,427 EUR
Retailer 6€1,499 EUR
Retailer 12€1,715 EUR
Retailer 3€1,721 EUR
Retailer 8€1,886 EUR
Retailer 4€1,898 EUR
Retailer 5€1,986 EUR
Retailer 2€2,010 EUR
Retailer 10€2,083 EUR
Retailer 15€2,103 EUR
Retailer 7€2,109 EUR
Retailer 13€2,191 EUR
Retailer 14€2,418 EUR
Retailer 9€3,327 EUR
NZ Jewellers€3,970 EUR

32 data points across 15 retailers

16 retailers€1,427 EUR to €3,970 EUR

A
Cheapest Retailer
-
€1,427 EUR
₹151,782 INR
A
Retailer 2
-
€1,499 EUR
$1,675 USD
View
Final sale: no returns
A
Retailer 3
-
€1,715 EUR
$1,916 USD
View
A
Retailer 4
-
€1,721 EUR
$1,923 USD
View
A
Retailer 5
-
€1,886 EUR
$2,107 USD
View
A
Retailer 6
-
€1,898 EUR
$2,121 USD
View
A
Retailer 7
-
€1,986 EUR
$2,219 USD
View
A
Retailer 8
-
€2,010 EUR
$2,245 USD
View
A
Retailer 9
-
€2,083 EUR
£1,833 GBP
View
A
Retailer 10
-
€2,103 EUR
$2,350 USD
View
A
Retailer 11
-
€2,109 EUR
£1,855 GBP
View
A
Retailer 12
-
€2,191 EUR
$2,448 USD
View
Retailer 13
-
€2,252 EUR
$2,516 USD
View
Price last confirmed 55 days ago
B+
Retailer 14
-
€2,418 EUR
View
B+
Retailer 15
-
€3,327 EUR
£2,927 GBP
View
Most Expensive
B
NZ Jewellers
ac0d6f62-fa98-4a64-8275-cdfee6669eb4 · Oct 30
€3,970 EUR
$4,435 USD
View
15 more retailers have this diamond
Prices start from €1,427 EURSave up to €2,543 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
€1,427 EUR