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Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754508009

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

Certificate IGI LG754508009

Diamond specifications and retailer prices

From $4,273 USD
As of October 29, 2026
Save $13,446 USD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $17,719 USD at With Clarity · As of October 28, 2026
View at With Clarity

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 LG754508009 or 754508009. Listed at 14 retailers as of October 28, 2026, with prices from $4,273 to $17,719, a $13,446 spread on the same certified stone. With Clarity lists it at $17,719. 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 angle41°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508009
Dimensions11.24 × 8.08 × 5.21 mm
L/W Ratio1.39
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
11.24 mm8.08 mm4.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508009
Side View
Table 63.0%Crown 41°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 64.5%

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: $5,882 USD|Low: $4,273 USD|High: $23,399 USD|Avg: $10,797 USD|-27.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 30, 2026
Retailer 10$4,273 USD
Retailer 11$5,563 USD
Retailer 12$5,594 USD
Retailer 1$5,882 USD
Retailer 9$6,868 USD
Retailer 5$7,846 USD
Retailer 7$8,055 USD
Retailer 6$9,550 USD
Retailer 13$9,624 USD
Retailer 2$11,321 USD
Retailer 8$11,998 USD
Retailer 4$15,889 USD
Retailer 3$16,175 USD
With Clarity$17,719 USD

36 data points across 14 retailers

14 retailers$4,273 USD to $17,719 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
B+
Retailer 5
-
$6,868 USD
View
B+
Retailer 6
-
$7,846 USD
€7,472 EUR
View
B+
Retailer 7
-
$8,055 USD
View
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
Most Expensive
B
With Clarity
754508009 · Oct 28
$17,719 USD
View
13 more retailers have this diamond
Prices start from $4,273 USDSave up to $13,446 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