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Radiant|Natural|IGI

1.00ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 671474709

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 671474709

Diamond specifications and retailer prices

From €1,223 EUR
As of November 6, 2026
Save €2,010 EUR (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,233 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 671474709. Listed at 18 retailers as of November 5, 2026, with prices from €1,223 to €3,233, a €2,010 spread on the same certified stone. NZ Jewellers lists it at €3,233. 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
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle34.2°
OriginNatural
Grading LabIGI
CertificateIGI 671474709
Dimensions7.27 × 5.24 × 3.22 mm
L/W Ratio1.39
Culet sizePointed
Top View
7.27 mm5.24 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671474709
Side View
Table 67.0%Crown 39.6°Girdle: THN-MEDPavilion 34.2°Culet: NoneDepth 61.5%

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: €3,233 EUR|Low: €1,121 EUR|High: €3,233 EUR|Avg: €1,594 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3€1,223 EUR
Retailer 8€1,236 EUR
Retailer 5€1,285 EUR
Retailer 10€1,326 EUR
Retailer 9€1,386 EUR
Retailer 4€1,489 EUR
Retailer 11€1,530 EUR
Retailer 7€1,618 EUR
Retailer 6€1,835 EUR
Retailer 2€2,310 EUR
NZ Jewellers€3,233 EUR

35 data points across 11 retailers

18 retailers€1,223 EUR to €3,233 EUR

B+
Cheapest Retailer
-
€1,223 EUR
Final sale: no returns
B+
Retailer 2
-
€1,229 EUR
View
A
Retailer 3
-
€1,236 EUR
View
A
Retailer 4
-
€1,267 EUR
View
A
Retailer 5
-
€1,285 EUR
View
Retailer 6
-
€1,326 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€1,326 EUR
View
B+
Retailer 8
-
€1,328 EUR
View
B+
Retailer 9
-
€1,384 EUR
View
B+
Retailer 10
-
€1,386 EUR
View
B+
Retailer 11
-
€1,411 EUR
View
B+
Retailer 12
-
€1,446 EUR
View
B+
Retailer 13
-
€1,489 EUR
View
B+
Retailer 14
-
€1,530 EUR
View
B+
Retailer 15
-
€1,618 EUR
View
B+
Retailer 16
-
€1,835 EUR
View
B
Retailer 17
-
€2,310 EUR
View
Most Expensive
C
NZ Jewellers
08cb3b54-3898-4cb8-b5ad-607dc928e373 · Nov 5
€3,233 EUR
$3,610 USD
View
17 more retailers have this diamond
Prices start from €1,223 EURSave up to €2,010 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
€1,223 EUR