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 $3,215 CAD
$2,297 USD
As of October 29, 2026
Save $17,205 CAD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $20,420 CAD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $3,215 to $20,420, a $17,205 spread on the same certified stone. Brilliant Earth lists it at $20,420. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $20,420 CAD|Low: $3,215 CAD|High: $668,029 CAD|Avg: $32,422 CAD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 3$3,215 CAD
Retailer 2$4,102 CAD
Retailer 13$4,136 CAD
Retailer 12$4,438 CAD
Retailer 8$4,554 CAD
Retailer 6$6,158 CAD
Retailer 10$7,796 CAD
Retailer 9$7,804 CAD
Retailer 7$8,272 CAD
Retailer 5$9,265 CAD
Retailer 11$10,142 CAD
Retailer 4$13,550 CAD
Brilliant Earth$20,420 CAD

29 data points across 13 retailers

14 retailers$3,215 CAD to $20,420 CAD

A
Cheapest Retailer
-
$3,215 CAD
$2,297 USD
A
Retailer 2
-
$4,102 CAD
£2,308 GBP
View
A
Retailer 3
-
$4,136 CAD
$2,955 USD
View
A
Retailer 4
-
$4,438 CAD
$3,171 USD
View
A
Retailer 5
-
$4,554 CAD
€3,099 EUR
View
A
Retailer 6
-
$6,158 CAD
ZAR 71,075 ZAR
View
A
Retailer 7
-
$7,450 CAD
$5,323 USD
View
A
Retailer 8
-
$7,796 CAD
$5,570 USD
View
A
Retailer 9
-
$7,804 CAD
$5,576 USD
View
A
Retailer 10
-
$8,272 CAD
£4,654 GBP
View
A
Retailer 11
-
$9,265 CAD
$6,620 USD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$10,142 CAD
$7,246 USD
View
B+
Retailer 13
-
$13,550 CAD
A$14,894 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
20043916A · Oct 29
$20,420 CAD
$14,590 USD
View
13 more retailers have this diamond
Prices start from $3,215 CADSave up to $17,205 CAD

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
$3,215 CAD