Radiant|Lab Grown|IGI

4.50ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG613377657

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

Certificate IGI LG613377657

Diamond specifications and retailer prices

From €900 EUR
As of October 31, 2026
Save €1,206 EUR (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €2,106 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 4.5ct lab-grown radiant diamond

This 4.5ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG613377657 or 613377657. Listed at 6 retailers as of October 31, 2026, with prices from €900 to €2,106, a €1,206 spread on the same certified stone. Adiamor lists it at €2,106. 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

4.50
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG613377657
Dimensions11.97 × 8.12 × 5.35 mm
L/W Ratio1.47
Culet sizePointed
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
11.97 mm8.12 mm4.50 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG613377657
Side View
Table 64.0%Crown 46°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.9%

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: Oct 31
Current: €2,106 EUR|Low: €673 EUR|High: €5,308 EUR|Avg: €2,313 EUR|-2.8%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5€743 EUR
Retailer 2€900 EUR
Retailer 3€1,393 EUR
Retailer 6€1,754 EUR
Adiamor€2,106 EUR
Retailer 4€2,962 EUR
Retailer 8€3,371 EUR
Retailer 7€5,308 EUR

12 data points across 8 retailers

6 retailers€900 EUR to €2,106 EUR

Retailer 1
-
€743 EUR
$830 USD
Price last confirmed 11 days ago
A
Retailer 2
-
€900 EUR
View
Retailer 3
-
€1,393 EUR
$1,556 USD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
€1,442 EUR
£1,269 GBP
View
B
Retailer 5
-
€1,754 EUR
$1,959 USD
View
Most Expensive
B
Adiamor
D-73418191 · Oct 31
€2,106 EUR
$2,353 USD
View
5 more retailers have this diamond
Prices start from €900 EURSave up to €1,206 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
4.50ct Radiant
€900 EUR