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Radiant|Natural|IGI

1.51ct K SI2 Radiant Natural Diamond

VG • K/SI2 • IGI 660411129

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

Certificate IGI 660411129

Diamond specifications and retailer prices

From €1,552 EUR
As of November 4, 2026
Save €2,604 EUR (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,156 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 660411129. Listed at 13 retailers as of November 4, 2026, with prices from €1,552 to €4,156, a €2,604 spread on the same certified stone. NZ Jewellers lists it at €4,156. 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

1.51
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle45.8°
Pavilion angle31.6°
OriginNatural
Grading LabIGI
CertificateIGI 660411129
Dimensions7.20 × 5.77 × 3.99 mm
L/W Ratio1.25
Culet sizePointed
Top View
7.20 mm5.77 mm1.51 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 660411129
Side View
Table 66.0%Crown 45.8°Girdle: MED-STKPavilion 31.6°Culet: NoneDepth 69.2%

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 4
Current: €4,156 EUR|Low: €1,552 EUR|High: €4,156 EUR|Avg: €2,080 EUR
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 6, 2026
Retailer 10€1,552 EUR
Retailer 12€1,664 EUR
Retailer 2€1,697 EUR
Retailer 8€1,704 EUR
Retailer 13€1,704 EUR
Retailer 3€1,704 EUR
Retailer 9€1,782 EUR
Retailer 11€1,788 EUR
Retailer 4€1,826 EUR
Retailer 14€1,966 EUR
Retailer 5€2,027 EUR
Retailer 6€2,328 EUR
Retailer 7€2,984 EUR
NZ Jewellers€4,156 EUR

38 data points across 14 retailers

13 retailers€1,552 EUR to €4,156 EUR

A
Cheapest Retailer
-
€1,552 EUR
B+
Retailer 2
-
€1,664 EUR
View
A
Retailer 3
-
€1,697 EUR
View
B+
Retailer 4
-
€1,704 EUR
View
Retailer 5
-
€1,704 EUR
View
Price last confirmed 9 days ago
B+
Retailer 6
-
€1,704 EUR
View
B+
Retailer 7
-
€1,782 EUR
View
B+
Retailer 8
-
€1,788 EUR
View
B+
Retailer 9
-
€1,826 EUR
View
Retailer 10
-
€1,966 EUR
View
Price last confirmed 61 days ago
B+
Retailer 11
-
€1,966 EUR
View
B+
Retailer 12
-
€2,984 EUR
View
Most Expensive
B
NZ Jewellers
befa1d0d-51a9-4245-bdd3-d044f374e15d · Nov 5
€4,156 EUR
$4,640 USD
View
12 more retailers have this diamond
Prices start from €1,552 EURSave up to €2,604 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
1.51ct Radiant
€1,552 EUR