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Radiant|Lab Grown|IGI

4.08ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG754594086

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

Certificate IGI LG754594086

Diamond specifications and retailer prices

From $3,564 USD
As of October 30, 2026
Save $18,456 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,020 USD at Do Amore Diamonds · As of October 30, 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 LG754594086 or 754594086. Listed at 15 retailers as of October 30, 2026, with prices from $3,564 to $22,020, a $18,456 spread on the same certified stone. Do Amore Diamonds lists it at $22,020. 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 angle39.6°
Pavilion angle32.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594086
Dimensions11.26 × 7.93 × 5.17 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
11.26 mm7.93 mm4.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594086
Side View
Table 61.0%Crown 39.6°Girdle: MED-STKPavilion 32.1°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: $22,020 USD|Low: $3,564 USD|High: $30,640 USD|Avg: $9,016 USD|-28.1%
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 31, 2026
Retailer 5$3,564 USD
Retailer 7$3,870 USD
Retailer 3$4,076 USD
Retailer 6$4,298 USD
Retailer 2$5,225 USD
Retailer 10$5,797 USD
Retailer 11$7,080 USD
Retailer 12$7,805 USD
Retailer 8$8,824 USD
Retailer 9$10,155 USD
Retailer 4$12,460 USD
Do Amore Diamonds$22,020 USD

35 data points across 12 retailers

15 retailers$3,564 USD to $22,020 USD

A+
Cheapest Retailer
-
$3,564 USD
A
Retailer 2
-
$3,870 USD
View
A
Retailer 3
-
$4,076 USD
View
Final sale: no returns
A
Retailer 4
-
$4,298 USD
View
Retailer 5
-
$4,323 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$4,531 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
$5,225 USD
View
A
Retailer 8
-
$5,797 USD
View
Retailer 9
-
$6,917 USD
View
Price last confirmed 30 days ago
Retailer 10
-
$7,080 USD
€6,743 EUR
View
Price last confirmed 8 days ago
Retailer 11
-
$7,805 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$8,824 USD
£6,948 GBP
View
B+
Retailer 13
-
$10,155 USD
View
B
Retailer 14
-
$12,460 USD
View
Most Expensive
B
Do Amore Diamonds
27-B7CC19991 · Oct 30
$22,020 USD
View
14 more retailers have this diamond
Prices start from $3,564 USDSave up to $18,456 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
$3,564 USD