Radiant|Lab Grown|IGI

15.16ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG582351465

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

Certificate IGI LG582351465

Diamond specifications and retailer prices

From €1,613 EUR
£1,419 GBP
As of November 2, 2026
Save €2,151 EUR (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,764 EUR at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 15.16ct lab-grown radiant diamond

This 15.16ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG582351465 or 582351465. Listed at 13 retailers as of November 1, 2026, with prices from €1,613 to €3,764, a €2,151 spread on the same certified stone. NZ Jewellers lists it at €3,764. 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

15.16
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582351465
Dimensions17.73 × 12.12 × 8.01 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
17.73 mm12.12 mm15.16 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582351465
Side View
Table 65.0%Crown 44.7°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 66.1%

Caratlytics Score

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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 2
Current: €3,764 EUR|Low: €1,613 EUR|High: €44,169 EUR|Avg: €8,809 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
Retailer 15
Retailer 16
November 2, 2026
Retailer 2€1,613 EUR
Retailer 5€1,731 EUR
Retailer 4€1,883 EUR
Retailer 13€2,008 EUR
Retailer 14€2,157 EUR
Retailer 16€2,360 EUR
Retailer 15€2,596 EUR
Retailer 9€2,739 EUR
Retailer 10€3,144 EUR
Retailer 11€3,195 EUR
Retailer 12€3,298 EUR
NZ Jewellers€3,764 EUR
Retailer 8€9,495 EUR
Retailer 3€13,666 EUR
Retailer 7€21,876 EUR
Retailer 6€44,169 EUR

7 data points across 16 retailers

13 retailers€1,613 EUR to €3,764 EUR

A
Cheapest Retailer
-
€1,613 EUR
£1,419 GBP
A
Retailer 2
-
€1,731 EUR
$1,934 USD
View
A
Retailer 3
-
€1,883 EUR
$2,104 USD
View
A
Retailer 4
-
€2,008 EUR
$2,243 USD
View
A
Retailer 5
-
€2,157 EUR
$2,410 USD
View
B+
Retailer 6
-
€2,360 EUR
HK$20,600 HKD
View
B+
Retailer 7
-
€2,596 EUR
$2,900 USD
View
B+
Retailer 8
-
€2,739 EUR
£2,409 GBP
View
B+
Retailer 9
-
€3,144 EUR
$3,513 USD
View
B
Retailer 10
-
€3,195 EUR
View
B+
Retailer 11
-
€3,298 EUR
$3,684 USD
View
Most Expensive
B
NZ Jewellers
580b4fb6-7132-46dd-9328-ed605ef34208 · Nov 1
€3,764 EUR
$4,205 USD
View
11 more retailers have this diamond
Prices start from €1,613 EURSave up to €2,151 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
15.16ct Radiant
€1,613 EUR