Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754508074

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

Certificate IGI LG754508074

Diamond specifications and retailer prices

From $4,273 USD
As of October 29, 2026
Save $16,837 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $21,110 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.01ct lab-grown radiant diamond

This 4.01ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508074 or 754508074. Listed at 15 retailers as of October 29, 2026, with prices from $4,273 to $21,110, a $16,837 spread on the same certified stone. Brilliant Earth lists it at $21,110. 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

4.01
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508074
Dimensions11.42 × 7.91 × 5.17 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.42 mm7.91 mm4.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508074
Side View
Table 66.0%Crown 43.3°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 65.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $21,110 USD|Low: $4,273 USD|High: $23,399 USD|Avg: $11,350 USD
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 11$4,273 USD
Retailer 12$5,563 USD
Retailer 13$5,594 USD
Retailer 2$5,882 USD
Retailer 10$6,868 USD
Retailer 6$7,846 USD
Retailer 7$8,005 USD
Retailer 8$9,550 USD
Retailer 14$9,624 USD
Retailer 15$11,321 USD
Retailer 9$11,998 USD
Retailer 5$15,889 USD
Retailer 4$16,175 USD
Retailer 3$17,719 USD
Brilliant Earth$21,110 USD

35 data points across 15 retailers

15 retailers$4,273 USD to $21,110 USD

A
Cheapest Retailer
-
$4,273 USD
A
Retailer 2
-
$5,563 USD
View
A
Retailer 3
-
$5,594 USD
HK$43,700 HKD
View
A
Retailer 4
-
$5,882 USD
£4,631 GBP
View
A
Retailer 5
-
$6,868 USD
View
B+
Retailer 6
-
$7,846 USD
€7,472 EUR
View
Retailer 7
-
$8,005 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$9,550 USD
ZAR 154,274 ZAR
View
B+
Retailer 9
-
$9,624 USD
£7,578 GBP
View
B+
Retailer 10
-
$11,321 USD
View
B+
Retailer 11
-
$11,998 USD
View
B
Retailer 12
-
$15,889 USD
View
B
Retailer 13
-
$16,175 USD
SGD 21,858 SGD
View
B
Retailer 14
-
$17,719 USD
View
Most Expensive
B
Brilliant Earth
17311583A · Oct 29
$21,110 USD
View
14 more retailers have this diamond
Prices start from $4,273 USDSave up to $16,837 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.01ct Radiant
$4,273 USD