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Radiant|Lab Grown|IGI

4.09ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG737539062

Certificate IGI LG737539062

Diamond specifications and retailer prices

From $3,667 USD
Save $13,077 USD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $16,744 USD at With Clarity
View at With Clarity

About this 4.09ct lab-grown radiant diamond

This 4.09ct 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 LG737539062 or 737539062. Listed at 22 retailers, with prices from $3,667 to $16,744 at With Clarity, a $13,077 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

4.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737539062
Dimensions11.27 × 8.04 × 5.24 mm
L/W Ratio1.40
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
11.27 mm8.04 mm4.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737539062
Side View
Table 63.0%Crown 42.2°Girdle: Slightly ThickPavilion 34°Culet: NoneDepth 65.2%

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: $4,106 USD|Low: $3,046 USD|High: $20,230 USD|Avg: $8,664 USD|+32.5%
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
With Clarity
October 1, 2026
Retailer 1$4,106 USD
Retailer 18$4,130 USD
Retailer 17$4,405 USD
Retailer 6$5,204 USD
Retailer 16$5,286 USD
Retailer 5$5,666 USD
Retailer 13$5,719 USD
Retailer 14$5,987 USD
Retailer 4$6,523 USD
Retailer 2$6,749 USD
Retailer 11$9,221 USD
Retailer 10$11,337 USD
Retailer 9$11,620 USD
Retailer 15$11,700 USD
Retailer 7$11,808 USD
Retailer 12$14,422 USD
Retailer 3$15,012 USD
Retailer 8$15,285 USD
With Clarity$16,409 USD

40 data points across 19 retailers

22 retailers$3,667 USD to $16,744 USD

A
Cheapest Retailer
-
$3,667 USD
A
Retailer 2
-
$4,106 USD
View
A
Retailer 3
-
$4,130 USD
View
A
Retailer 4
-
$4,195 USD
View
A
Retailer 5
-
$4,405 USD
View
A
Retailer 6
-
$5,204 USD
View
A
Retailer 7
-
$5,286 USD
HK$41,300 HKD
View
A
Retailer 8
-
$5,315 USD
View
A
Retailer 9
-
$5,666 USD
View
A
Retailer 10
-
$5,719 USD
£4,503 GBP
View
A
Retailer 11
-
$5,987 USD
View
A
Retailer 12
-
$6,523 USD
£5,136 GBP
View
A
Retailer 13
-
$6,749 USD
€6,428 EUR
View
B+
Retailer 14
-
$9,221 USD
£7,261 GBP
View
B+
Retailer 15
-
$11,337 USD
View
B+
Retailer 16
-
$11,620 USD
View
B+
Retailer 17
-
$11,700 USD
View
B+
Retailer 18
-
$11,808 USD
View
B
Retailer 19
-
$14,422 USD
A$22,187 AUD
View
B
Retailer 20
-
$15,012 USD
View
B
Retailer 21
-
$15,285 USD
SGD 20,656 SGD
View
Most Expensive
B
With Clarity
737539062 · Sep 30
$16,744 USD
View
21 more retailers have this diamond
Prices start from $3,667 USDSave up to $13,077 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
4.09ct Radiant
$3,667 USD