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Radiant|Lab Grown|IGI

4.08ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG737538994

Certificate IGI LG737538994

Diamond specifications and retailer prices

From $3,658 USD
Save $18,612 USD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $22,270 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 LG737538994 or 737538994. Listed at 26 retailers, with prices from $3,658 to $22,270 at With Clarity, a $18,612 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 angle43.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737538994
Dimensions11.15 × 8.08 × 5.31 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
11.15 mm8.08 mm4.08 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737538994
Side View
Table 66.0%Crown 43.7°Girdle: MediumPavilion 34.1°Culet: NoneDepth 65.7%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $14,386 USD|Low: $3,039 USD|High: $23,141 USD|Avg: $8,930 USD|+1.4%
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 2$4,121 USD
Retailer 20$4,395 USD
Retailer 18$4,807 USD
Retailer 7$5,190 USD
Retailer 19$5,274 USD
Retailer 6$5,642 USD
Retailer 12$5,692 USD
Retailer 14$5,973 USD
Retailer 5$6,507 USD
Retailer 3$6,734 USD
Retailer 15$8,867 USD
Retailer 17$9,200 USD
Retailer 16$9,203 USD
Retailer 11$11,310 USD
Retailer 10$11,592 USD
Retailer 13$11,680 USD
Retailer 8$11,781 USD
Retailer 1$14,386 USD
Retailer 4$14,975 USD
Retailer 9$15,250 USD
With Clarity$21,825 USD

40 data points across 21 retailers

26 retailers$3,658 USD to $22,270 USD

A
Cheapest Retailer
-
$3,658 USD
A
Retailer 2
-
$3,980 USD
View
A
Retailer 3
-
$4,121 USD
View
A
Retailer 4
-
$4,185 USD
View
A
Retailer 5
-
$4,395 USD
View
A
Retailer 6
-
$4,807 USD
View
A
Retailer 7
-
$5,190 USD
View
A
Retailer 8
-
$5,274 USD
HK$41,200 HKD
View
A
Retailer 9
-
$5,303 USD
View
A
Retailer 10
-
$5,642 USD
View
A
Retailer 11
-
$5,705 USD
£4,492 GBP
View
A
Retailer 12
-
$5,801 USD
£4,567 GBP
View
Price last confirmed 21 days ago
A
Retailer 13
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$5,973 USD
View
A
Retailer 14
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$6,507 USD
£5,124 GBP
View
A
Retailer 15
-
$6,734 USD
€6,413 EUR
View
B+
Retailer 16
-
$8,867 USD
ZAR 143,254 ZAR
View
B+
Retailer 17
-
$9,200 USD
£7,244 GBP
View
B+
Retailer 18
-
$9,203 USD
A$14,159 AUD
View
B+
Retailer 19
-
$11,310 USD
View
B+
Retailer 20
-
$11,592 USD
View
B+
Retailer 21
-
$11,680 USD
View
B+
Retailer 22
-
$11,781 USD
View
B+
Retailer 23
-
$14,386 USD
A$22,132 AUD
View
B+
Retailer 24
-
$14,975 USD
View
B+
Retailer 25
-
$15,250 USD
SGD 20,608 SGD
View
Most Expensive
B
With Clarity
737538994 · Sep 30
$22,270 USD
View
25 more retailers have this diamond
Prices start from $3,658 USDSave up to $18,612 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
$3,658 USD