Radiant|Lab Grown|IGI

4.15ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG772674455

Certificate IGI LG772674455

Diamond specifications and retailer prices

From $3,192 USD
€3,040 EUR
Save $11,848 USD (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,050 USD at Brilliant Earth
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 11 retailers, with a 371% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Color
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 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 25
Current: $15,050 USD|Low: $2,955 USD|High: $477,300 USD|Avg: $27,120 USD|+0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 1, 2026
Retailer 6$3,192 USD
Retailer 5$3,254 USD
Retailer 4$3,560 USD
Retailer 10$3,782 USD
Retailer 8$5,752 USD
Retailer 11$5,770 USD
Retailer 7$6,650 USD
Retailer 12$6,688 USD
Retailer 3$9,626 USD
Retailer 2$9,660 USD
Brilliant Earth$15,050 USD
Retailer 9$477,300 USD

14 data points across 12 retailers

11 retailers$3,192 USD to $15,040 USD

A
Cheapest Retailer
-
$3,192 USD
€3,040 EUR
A
Retailer 2
-
$3,254 USD
View
A
Retailer 3
-
$5,752 USD
View
A
Retailer 4
-
$5,770 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$6,650 USD
View
A
Retailer 6
-
$6,688 USD
ZAR 108,044 ZAR
View
Price last confirmed 78 days ago
B+
Retailer 7
-
$9,626 USD
View
Price last confirmed 40 days ago
B+
Retailer 8
-
$9,660 USD
A$14,861 AUD
View
B
Retailer 9
-
$15,040 USD
View
Most Expensive
B
Brilliant Earth
19558372A · Sep 16
$15,050 USD
View
Price last confirmed 14 days ago
9 more retailers have this diamond
Prices start from $3,192 USDSave up to $11,848 USD

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.

A
4.15ct Radiant
$3,192 USD