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Radiant|Lab Grown|IGI

4.08ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG743509433

Certificate IGI LG743509433

Diamond specifications and retailer prices

From $3,722 USD
Save $19,962 USD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $23,684 USD at With Clarity
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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743509433 or 743509433. Listed at 23 retailers, with prices from $3,722 to $23,684 at With Clarity, a $19,962 spread on the same certified stone. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743509433
Dimensions11.50 × 7.93 × 5.17 mm
L/W Ratio1.45
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
11.50 mm7.93 mm4.08 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743509433
Side View
Table 64.0%Crown 40.8°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $4,341 USD|Low: $3,188 USD|High: $25,289 USD|Avg: $9,084 USD|+29.1%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
With Clarity
October 1, 2026
Retailer 14$3,722 USD
Retailer 2$4,285 USD
Retailer 1$4,341 USD
Retailer 20$4,555 USD
Retailer 7$5,518 USD
Retailer 19$5,606 USD
Retailer 6$5,715 USD
Retailer 17$6,052 USD
Retailer 16$6,330 USD
Retailer 5$6,919 USD
Retailer 3$7,161 USD
Retailer 13$7,242 USD
Retailer 12$9,750 USD
Retailer 11$12,028 USD
Retailer 10$12,322 USD
Retailer 8$12,490 USD
Retailer 18$13,840 USD
Retailer 15$14,565 USD
Retailer 4$15,929 USD
Retailer 9$16,216 USD
With Clarity$23,210 USD

40 data points across 21 retailers

23 retailers$3,722 USD to $23,684 USD

A
Cheapest Retailer
-
$3,722 USD
A
Retailer 2
-
$4,285 USD
View
A
Retailer 3
-
$4,341 USD
View
A
Retailer 4
-
$4,436 USD
View
A
Retailer 5
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$4,555 USD
View
A
Retailer 6
-
$5,518 USD
View
A
Retailer 7
-
$5,606 USD
HK$43,800 HKD
View
A
Retailer 8
-
$5,620 USD
View
A
Retailer 9
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$5,715 USD
View
A
Retailer 10
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$6,065 USD
£4,776 GBP
View
A
Retailer 11
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$6,330 USD
View
A
Retailer 12
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$6,919 USD
£5,448 GBP
View
A
Retailer 13
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$7,161 USD
€6,820 EUR
View
A
Retailer 14
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$7,242 USD
View
Price last confirmed 58 days ago
B+
Retailer 15
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$9,750 USD
£7,677 GBP
View
B+
Retailer 16
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$12,028 USD
View
B+
Retailer 17
-
$12,322 USD
View
B+
Retailer 18
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$12,490 USD
View
B+
Retailer 19
-
$13,840 USD
View
B+
Retailer 20
-
$14,565 USD
A$22,407 AUD
View
B+
Retailer 21
-
$15,929 USD
View
B
Retailer 22
-
$16,216 USD
SGD 21,913 SGD
View
Most Expensive
B
With Clarity
743509433 · Sep 30
$23,684 USD
View
22 more retailers have this diamond
Prices start from $3,722 USDSave up to $19,962 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.

A
4.08ct Radiant
$3,722 USD