Radiant|Lab Grown|IGI

4.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG759523105

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

Certificate IGI LG759523105

Diamond specifications and retailer prices

From $3,188 USD
£2,510 GBP
As of October 29, 2026
Save $10,590 USD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,779 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

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 LG759523105 or 759523105. Listed at 17 retailers as of October 28, 2026, with prices from $3,188 to $13,779, a $10,590 spread on the same certified stone. Taylor and Hart lists it at $13,779. 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 angle46.3°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG759523105
Dimensions7.91 × 7.91 × 5.13 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.91 mm7.91 mm4.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG759523105
Side View
Table 64.0%Crown 46.3°Girdle: MediumPavilion 36.6°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,550 USD|Low: $3,188 USD|High: $15,749 USD|Avg: $7,025 USD|-11.8%
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
Retailer 14
Retailer 15
Retailer 16
Taylor and Hart
October 29, 2026
Retailer 13$3,188 USD
Retailer 14$3,878 USD
Retailer 2$3,927 USD
Retailer 3$4,331 USD
Retailer 8$4,539 USD
Retailer 6$4,555 USD
Retailer 15$4,555 USD
Retailer 9$5,351 USD
Retailer 16$5,562 USD
Retailer 10$6,005 USD
Retailer 4$6,041 USD
Retailer 7$7,055 USD
Retailer 1$8,550 USD
Retailer 11$9,698 USD
Retailer 12$10,077 USD
Retailer 5$11,360 USD
Taylor and Hart$13,779 USD

29 data points across 17 retailers

17 retailers$3,188 USD to $13,779 USD

A+
Cheapest Retailer
-
$3,188 USD
£2,510 GBP
A
Retailer 2
-
$3,878 USD
View
Final sale: no returns
A
Retailer 3
-
$3,927 USD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$4,331 USD
View
A
Retailer 5
-
$4,539 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$4,555 USD
View
A
Retailer 7
-
$4,555 USD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$5,351 USD
£4,213 GBP
View
A
Retailer 9
-
$5,562 USD
View
A
Retailer 10
-
$6,005 USD
£4,728 GBP
View
A
Retailer 11
-
$6,041 USD
View
B+
Retailer 12
-
$7,055 USD
View
B+
Retailer 13
-
$8,550 USD
ZAR 138,123 ZAR
View
B+
Retailer 14
-
$9,698 USD
£7,636 GBP
View
B+
Retailer 15
-
$10,077 USD
View
B+
Retailer 16
-
$11,360 USD
View
Most Expensive
B
Taylor and Hart
RBE3WQY · Oct 28
$13,779 USD
View
16 more retailers have this diamond
Prices start from $3,188 USDSave up to $10,590 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
$3,188 USD