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Radiant|Lab Grown|IGI

4.08ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754594708

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

Certificate IGI LG754594708

Diamond specifications and retailer prices

From $4,340 USD
As of October 30, 2026
Save $19,697 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $24,037 USD at With Clarity · As of October 31, 2026
View at With Clarity

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 LG754594708 or 754594708. Listed at 14 retailers as of October 30, 2026, with prices from $4,340 to $24,037, a $19,697 spread on the same certified stone. With Clarity lists it at $24,037. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594708
Dimensions11.09 × 8.02 × 5.30 mm
L/W Ratio1.38
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
11.09 mm8.02 mm4.08 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594708
Side View
Table 65.0%Crown 42.1°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 66.1%

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 30
Current: $7,425 USD|Low: $4,340 USD|High: $31,744 USD|Avg: $11,619 USD|-27.6%
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 31, 2026
Retailer 11$4,340 USD
Retailer 13$5,683 USD
Retailer 12$5,735 USD
Retailer 6$5,984 USD
Retailer 10$6,985 USD
Retailer 1$7,425 USD
Retailer 5$8,160 USD
Retailer 8$9,707 USD
Retailer 2$9,783 USD
Retailer 3$11,517 USD
Retailer 9$12,207 USD
Retailer 7$13,330 USD
Retailer 4$16,167 USD
With Clarity$24,037 USD

36 data points across 14 retailers

14 retailers$4,340 USD to $24,037 USD

A
Cheapest Retailer
-
$4,340 USD
A
Retailer 2
-
$5,683 USD
HK$44,400 HKD
View
A
Retailer 3
-
$5,735 USD
View
A
Retailer 4
-
$5,984 USD
£4,712 GBP
View
A
Retailer 5
-
$6,985 USD
View
B+
Retailer 6
-
$7,425 USD
€7,071 EUR
View
Retailer 7
-
$8,160 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$9,707 USD
ZAR 156,821 ZAR
View
B+
Retailer 9
-
$9,783 USD
£7,703 GBP
View
B+
Retailer 10
-
$11,517 USD
View
B+
Retailer 11
-
$12,207 USD
View
B+
Retailer 12
-
$13,330 USD
View
B
Retailer 13
-
$16,167 USD
View
Most Expensive
B
With Clarity
754594708 · Oct 31
$24,037 USD
View
13 more retailers have this diamond
Prices start from $4,340 USDSave up to $19,697 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
$4,340 USD