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Radiant|Lab Grown|IGI

4.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG738511292

Certificate IGI LG738511292

Diamond specifications and retailer prices

From $3,447 USD
Save $12,233 USD (78%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $15,680 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG738511292 or 738511292. Listed at 25 retailers, with prices from $3,447 to $15,680 at With Clarity, a $12,233 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738511292
Dimensions12.00 × 7.98 × 5.20 mm
L/W Ratio1.50
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
12.00 mm7.98 mm4.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738511292
Side View
Table 63.0%Crown 38.2°Girdle: MediumPavilion 33.9°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: $13,098 USD|Low: $2,756 USD|High: $16,930 USD|Avg: $7,672 USD|-6.8%
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
Retailer 21
With Clarity
October 1, 2026
Retailer 14$2,904 USD
Retailer 12$3,860 USD
Retailer 3$3,906 USD
Retailer 10$4,155 USD
Retailer 9$4,876 USD
Retailer 8$4,941 USD
Retailer 16$5,456 USD
Retailer 17$5,746 USD
Retailer 6$5,992 USD
Retailer 5$6,111 USD
Retailer 21$6,321 USD
Retailer 18$8,356 USD
Retailer 19$8,644 USD
Retailer 20$8,669 USD
Retailer 13$9,200 USD
Retailer 7$10,618 USD
Retailer 15$10,682 USD
Retailer 4$10,888 USD
Retailer 11$11,098 USD
Retailer 1$13,098 USD
Retailer 2$14,314 USD
With Clarity$15,366 USD

41 data points across 22 retailers

25 retailers$3,447 USD to $15,680 USD

A
Cheapest Retailer
-
$3,447 USD
A
Retailer 2
-
$3,751 USD
View
A
Retailer 3
-
$3,860 USD
View
A
Retailer 4
-
$3,906 USD
View
A
Retailer 5
-
$3,944 USD
View
A
Retailer 6
-
$4,155 USD
View
A
Retailer 7
-
$4,876 USD
View
A
Retailer 8
-
$4,941 USD
HK$38,600 HKD
View
A
Retailer 9
-
$4,997 USD
View
A
Retailer 10
-
$5,468 USD
£4,306 GBP
View
A
Retailer 11
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$5,746 USD
View
A
Retailer 12
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$5,992 USD
View
A
Retailer 13
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$6,111 USD
£4,812 GBP
View
A
Retailer 14
-
$6,321 USD
€6,020 EUR
View
B+
Retailer 15
-
$8,356 USD
ZAR 134,988 ZAR
View
B+
Retailer 16
-
$8,644 USD
A$13,299 AUD
View
B+
Retailer 17
-
$8,669 USD
£6,826 GBP
View
B+
Retailer 18
-
$9,200 USD
View
B+
Retailer 19
-
$10,618 USD
View
B+
Retailer 20
-
$10,682 USD
A$16,434 AUD
View
B+
Retailer 21
-
$10,888 USD
View
B+
Retailer 22
-
$11,098 USD
View
B+
Retailer 23
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$13,098 USD
View
B
Retailer 24
-
$14,314 USD
SGD 19,343 SGD
View
Most Expensive
B
With Clarity
738511292 · Sep 30
$15,680 USD
View
24 more retailers have this diamond
Prices start from $3,447 USDSave up to $12,233 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
$3,447 USD