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Radiant|Lab Grown|IGI

4.06ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG787623099

Certificate IGI LG787623099

Diamond specifications and retailer prices

From $4,266 USD
Save $19,302 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $23,568 USD at With Clarity
View at With Clarity

About this 4.06ct lab-grown radiant diamond

This 4.06ct 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 LG787623099 or 787623099. Listed at 15 retailers, with prices from $4,266 to $23,568 at With Clarity, a $19,302 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

4.06
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623099
Dimensions11.26 × 8.01 × 5.28 mm
L/W Ratio1.41
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
11.26 mm8.01 mm4.06 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623099
Side View
Table 63.0%Crown 42.2°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 65.9%

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: $14,493 USD|Low: $3,230 USD|High: $25,164 USD|Avg: $9,995 USD|-2.1%
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
With Clarity
October 1, 2026
Retailer 7$3,230 USD
Retailer 13$4,266 USD
Retailer 3$5,490 USD
Retailer 11$5,581 USD
Retailer 2$5,666 USD
Retailer 8$6,022 USD
Retailer 14$7,124 USD
Retailer 6$7,221 USD
Retailer 9$9,355 USD
Retailer 10$9,705 USD
Retailer 5$11,969 USD
Retailer 4$12,262 USD
Retailer 12$13,670 USD
Retailer 1$14,493 USD
Retailer 15$15,851 USD
With Clarity$23,097 USD

36 data points across 16 retailers

15 retailers$4,266 USD to $23,568 USD

A
Cheapest Retailer
-
$4,266 USD
A
Retailer 2
-
$5,490 USD
View
A
Retailer 3
-
$5,581 USD
HK$43,600 HKD
View
A
Retailer 4
-
$5,666 USD
View
A
Retailer 5
-
$6,036 USD
£4,752 GBP
View
A
Retailer 6
-
$7,124 USD
€6,785 EUR
View
A
Retailer 7
-
$7,221 USD
View
Price last confirmed 58 days ago
B+
Retailer 8
-
$9,355 USD
ZAR 151,124 ZAR
View
B+
Retailer 9
-
$9,705 USD
£7,642 GBP
View
B+
Retailer 10
-
$11,969 USD
View
B+
Retailer 11
-
$12,262 USD
View
B+
Retailer 12
-
$13,670 USD
View
B
Retailer 13
-
$14,493 USD
A$22,297 AUD
View
B
Retailer 14
-
$15,851 USD
View
Most Expensive
B
With Clarity
787623099 · Sep 30
$23,568 USD
View
14 more retailers have this diamond
Prices start from $4,266 USDSave up to $19,302 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
4.06ct Radiant
$4,266 USD