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Radiant|Lab Grown|IGI

4.15ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG772674455

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

Certificate IGI LG772674455

Diamond specifications and retailer prices

From €2,056 EUR
$2,297 USD
As of October 30, 2026
Save €7,083 EUR (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €9,139 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.15ct lab-grown radiant diamond

This 4.15ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG772674455 or 772674455. Listed at 14 retailers as of October 30, 2026, with prices from €2,056 to €9,139, a €7,083 spread on the same certified stone. Brilliant Earth lists it at €9,139. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.15
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772674455
Dimensions10.10 × 8.06 × 5.59 mm
L/W Ratio1.25
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.10 mm8.06 mm4.15 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772674455
Side View
Table 68.0%Crown 47.6°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 69.4%

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: Oct 30
Current: €9,139 EUR|Low: €2,056 EUR|High: €427,226 EUR|Avg: €19,662 EUR|-32.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3€2,056 EUR
Retailer 2€2,624 EUR
Retailer 13€2,645 EUR
Retailer 12€2,838 EUR
Retailer 8€2,913 EUR
Retailer 6€3,938 EUR
Retailer 10€4,986 EUR
Retailer 9€4,991 EUR
Retailer 7€5,291 EUR
Retailer 5€5,925 EUR
Retailer 11€6,486 EUR
Retailer 4€8,665 EUR
Brilliant Earth€9,139 EUR

31 data points across 13 retailers

14 retailers€2,056 EUR to €9,139 EUR

A
Cheapest Retailer
-
€2,056 EUR
$2,297 USD
A
Retailer 2
-
€2,624 EUR
£2,308 GBP
View
A
Retailer 3
-
€2,645 EUR
$2,955 USD
View
A
Retailer 4
-
€2,838 EUR
$3,171 USD
View
Retailer 5
-
€2,913 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
€3,938 EUR
ZAR 71,075 ZAR
View
A
Retailer 7
-
€4,765 EUR
$5,323 USD
View
A
Retailer 8
-
€4,986 EUR
$5,570 USD
View
A
Retailer 9
-
€4,991 EUR
$5,576 USD
View
A
Retailer 10
-
€5,291 EUR
£4,654 GBP
View
Retailer 11
-
€5,925 EUR
$6,620 USD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
€6,486 EUR
$7,246 USD
View
Retailer 13
-
€8,665 EUR
A$14,894 AUD
View
Price last confirmed 22 days ago
Most Expensive
B+
Brilliant Earth
20043916A · Oct 30
€9,139 EUR
$10,210 USD
View
13 more retailers have this diamond
Prices start from €2,056 EURSave up to €7,083 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
4.15ct Radiant
€2,056 EUR