Radiant|Lab Grown|IGI

4.11ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG628440621

Certificate IGI LG628440621

Diamond specifications and retailer prices

From $2,314 USD
£1,822 GBP
Save $12,466 USD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $14,780 USD at Brilliant Earth
View at Brilliant Earth

About this 4.11ct lab-grown radiant diamond

This 4.11ct 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 LG628440621 or 628440621. Listed at 26 retailers, with prices from $2,314 to $14,780 at Brilliant Earth, a $12,466 spread on the same certified stone. 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

4.11
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628440621
Dimensions11.83 × 7.90 × 5.05 mm
L/W Ratio1.50
Culet sizePointed
Top View
11.83 mm7.90 mm4.11 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628440621
Side View
Table 67.0%Crown 37°Girdle: MediumPavilion 32.5°Culet: NoneDepth 63.9%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $14,780 USD|Low: $1,790 USD|High: $14,830 USD|Avg: $5,405 USD|-0.3%
Brilliant Earth
Retailer 2
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Retailer 19
Retailer 20
Retailer 21
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Retailer 25
October 1, 2026
Retailer 14$1,790 USD
Retailer 2$2,314 USD
Retailer 20$2,373 USD
Retailer 4$2,582 USD
Retailer 11$2,657 USD
Retailer 7$2,714 USD
Retailer 5$2,752 USD
Retailer 15$2,915 USD
Retailer 9$2,962 USD
Retailer 19$3,783 USD
Retailer 21$3,854 USD
Retailer 22$3,934 USD
Retailer 10$3,935 USD
Retailer 6$4,268 USD
Retailer 12$5,227 USD
Retailer 16$5,674 USD
Retailer 23$5,752 USD
Retailer 17$5,797 USD
Retailer 25$5,903 USD
Retailer 24$7,459 USD
Retailer 3$7,549 USD
Retailer 18$7,749 USD
Retailer 8$9,219 USD
Retailer 13$9,738 USD
Brilliant Earth$14,780 USD

39 data points across 25 retailers

26 retailers$2,314 USD to $14,780 USD

A+
Cheapest Retailer
-
$2,314 USD
£1,822 GBP
A
Retailer 2
-
$2,373 USD
View
A
Retailer 3
-
$2,582 USD
View
A
Retailer 4
-
$2,657 USD
View
A
Retailer 5
-
$2,714 USD
View
A
Retailer 6
-
$2,752 USD
View
A
Retailer 7
-
$2,915 USD
View
A
Retailer 8
-
$2,962 USD
View
A
Retailer 9
-
$3,187 USD
HK$24,900 HKD
View
A
Retailer 10
-
$3,783 USD
View
A
Retailer 11
-
$3,863 USD
£3,041 GBP
View
A
Retailer 12
-
$3,934 USD
View
A
Retailer 13
-
$3,935 USD
View
A
Retailer 14
-
$4,268 USD
€4,065 EUR
View
A
Retailer 15
-
$5,227 USD
£4,116 GBP
View
A
Retailer 16
-
$5,674 USD
View
A
Retailer 17
-
$5,752 USD
ZAR 92,930 ZAR
View
A
Retailer 18
-
$5,797 USD
View
Price last confirmed 44 days ago
A
Retailer 19
-
$5,903 USD
A$9,082 AUD
View
A
Retailer 20
-
$7,459 USD
£5,873 GBP
View
A
Retailer 21
-
$7,549 USD
View
B+
Retailer 22
-
$7,749 USD
View
B+
Retailer 23
-
$9,219 USD
SGD 12,458 SGD
View
B+
Retailer 24
-
$9,610 USD
View
B+
Retailer 25
-
$9,738 USD
A$14,982 AUD
View
Most Expensive
B
Brilliant Earth
9886642A · Sep 29
$14,780 USD
View
25 more retailers have this diamond
Prices start from $2,314 USDSave up to $12,466 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+
4.11ct Radiant
$2,314 USD