Radiant|Natural|IGI

1.00ct I SI1 Radiant Natural Diamond

VG • I/SI1 • IGI 668406118

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

Certificate IGI 668406118

Diamond specifications and retailer prices

From €1,057 EUR
As of November 1, 2026
Save €1,644 EUR (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,701 EUR at NZ Jewellers · As of November 3, 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 668406118. Listed at 15 retailers as of November 1, 2026, with prices from €1,057 to €2,701, a €1,644 spread on the same certified stone. NZ Jewellers lists it at €2,701. 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
FluorescenceFaint
Crown angle47.7°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 668406118
Dimensions7.36 × 4.71 × 3.31 mm
L/W Ratio1.56
Culet sizePointed
Top View
7.36 mm4.71 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 668406118
Side View
Table 62.0%Crown 47.7°Girdle: MediumPavilion 39°Culet: NoneDepth 70.3%

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 1
Current: €2,701 EUR|Low: €937 EUR|High: €2,705 EUR|Avg: €1,333 EUR|-0.1%
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
November 3, 2026
Retailer 3€1,022 EUR
Retailer 16€1,057 EUR
Retailer 4€1,060 EUR
Retailer 17€1,061 EUR
Retailer 5€1,093 EUR
Retailer 7€1,108 EUR
Retailer 12€1,108 EUR
Retailer 11€1,150 EUR
Retailer 6€1,151 EUR
Retailer 8€1,157 EUR
Retailer 9€1,228 EUR
Retailer 10€1,274 EUR
Retailer 14€1,278 EUR
Retailer 15€1,352 EUR
Retailer 2€1,541 EUR
Retailer 13€2,029 EUR
NZ Jewellers€2,701 EUR

41 data points across 17 retailers

15 retailers€1,057 EUR to €2,701 EUR

A
Cheapest Retailer
-
€1,057 EUR
A
Retailer 2
-
€1,060 EUR
View
A
Retailer 3
-
€1,061 EUR
View
Retailer 4
-
€1,108 EUR
View
Price last confirmed 9 days ago
A
Retailer 5
-
€1,108 EUR
View
A
Retailer 6
-
€1,150 EUR
View
A
Retailer 7
-
€1,151 EUR
View
A
Retailer 8
-
€1,157 EUR
View
B+
Retailer 9
-
€1,228 EUR
View
B+
Retailer 10
-
€1,274 EUR
View
B+
Retailer 11
-
€1,278 EUR
View
Retailer 12
-
€1,352 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
€1,541 EUR
View
B+
Retailer 14
-
€2,029 EUR
View
Most Expensive
B
NZ Jewellers
0d51d9f8-e1d2-4c0d-a64e-38ef3143801b · Nov 3
€2,701 EUR
$3,016 USD
View
14 more retailers have this diamond
Prices start from €1,057 EURSave up to €1,644 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
€1,057 EUR