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Radiant|Lab Grown|IGI

4.08ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG754508219

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

Certificate IGI LG754508219

Diamond specifications and retailer prices

From $4,340 USD
As of October 29, 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 30, 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 LG754508219 or 754508219. Listed at 14 retailers as of October 29, 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 angle43°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508219
Dimensions11.64 × 7.92 × 5.16 mm
L/W Ratio1.47
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
11.64 mm7.92 mm4.08 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508219
Side View
Table 61.0%Crown 43°Girdle: MED-STKPavilion 32.5°Culet: NoneDepth 65.2%

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: $5,984 USD|Low: $4,340 USD|High: $31,744 USD|Avg: $11,469 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
Retailer 14
With Clarity
October 30, 2026
Retailer 11$4,340 USD
Retailer 13$5,683 USD
Retailer 12$5,735 USD
Retailer 1$5,984 USD
Retailer 10$6,985 USD
Retailer 4$7,983 USD
Retailer 5$8,160 USD
Retailer 7$9,707 USD
Retailer 8$9,822 USD
Retailer 14$11,517 USD
Retailer 9$12,207 USD
Retailer 6$12,460 USD
Retailer 3$16,167 USD
Retailer 2$16,460 USD
With Clarity$24,037 USD

35 data points across 15 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
Retailer 6
-
$7,983 USD
€7,603 EUR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$9,707 USD
ZAR 156,821 ZAR
View
B+
Retailer 8
-
$9,822 USD
£7,734 GBP
View
B+
Retailer 9
-
$11,517 USD
View
B+
Retailer 10
-
$12,207 USD
View
B+
Retailer 11
-
$12,460 USD
View
B
Retailer 12
-
$16,167 USD
View
B
Retailer 13
-
$16,460 USD
SGD 22,243 SGD
View
Most Expensive
B
With Clarity
754508219 · Oct 30
$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