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Radiant|Lab Grown|IGI

4.08ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644372

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

Certificate IGI LG784644372

Diamond specifications and retailer prices

From $3,612 USD
As of October 29, 2026
Save $18,728 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,340 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.08ct lab-grown radiant diamond

This 4.08ct 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 LG784644372 or 784644372. Listed at 15 retailers as of October 29, 2026, with prices from $3,612 to $22,340, a $18,728 spread on the same certified stone. Do Amore Diamonds lists it at $22,340. 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

4.08
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644372
Dimensions11.18 × 7.85 × 5.36 mm
L/W Ratio1.42
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
11.18 mm7.85 mm4.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644372
Side View
Table 70.0%Crown 46.2°Girdle: ThickPavilion 36.7°Culet: NoneDepth 68.3%

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: $22,340 USD|Low: $3,612 USD|High: $30,640 USD|Avg: $9,048 USD|-27.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$3,612 USD
Retailer 5$3,925 USD
Retailer 12$4,265 USD
Retailer 9$4,306 USD
Retailer 8$5,301 USD
Retailer 6$5,848 USD
Retailer 11$7,352 USD
Retailer 3$8,085 USD
Retailer 2$8,954 USD
Retailer 10$10,263 USD
Retailer 4$12,460 USD
Do Amore Diamonds$22,340 USD

34 data points across 12 retailers

15 retailers$3,612 USD to $22,340 USD

A
Cheapest Retailer
-
$3,612 USD
A
Retailer 2
-
$3,925 USD
View
A
Retailer 3
-
$4,265 USD
View
Final sale: no returns
A
Retailer 4
-
$4,306 USD
View
Retailer 5
-
$4,323 USD
View
Price last confirmed 30 days ago
Retailer 6
-
$4,531 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
$5,301 USD
View
A
Retailer 8
-
$5,848 USD
View
Retailer 9
-
$6,917 USD
View
Price last confirmed 29 days ago
Retailer 10
-
$7,352 USD
€7,002 EUR
View
Price last confirmed 7 days ago
Retailer 11
-
$8,085 USD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
$8,954 USD
£7,050 GBP
View
B+
Retailer 13
-
$10,263 USD
View
B
Retailer 14
-
$12,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-BE4E548A0 · Oct 29
$22,340 USD
View
14 more retailers have this diamond
Prices start from $3,612 USDSave up to $18,728 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
4.08ct Radiant
$3,612 USD