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Radiant|Lab Grown|IGI

4.06ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG711530914

Certificate IGI LG711530914

Diamond specifications and retailer prices

From $3,675 USD
Save $22,780 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $26,455 USD at Mervis Diamond Importers
View at Mervis Diamond Importers

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 LG711530914 or 711530914. Listed at 23 retailers, with prices from $3,675 to $26,455 at Mervis Diamond Importers, a $22,780 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 angle35.6°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711530914
Dimensions11.51 × 8.03 × 5.17 mm
L/W Ratio1.43
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
11.51 mm8.03 mm4.06 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711530914
Side View
Table 63.0%Crown 35.6°Girdle: MediumPavilion 33.4°Culet: NoneDepth 64.4%

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: Sep 30
Current: $26,455 USD|Low: $2,938 USD|High: $26,455 USD|Avg: $10,448 USD
Mervis Diamond Importers
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Retailer 21
October 1, 2026
Retailer 2$3,956 USD
Retailer 21$4,115 USD
Retailer 20$4,212 USD
Retailer 8$4,247 USD
Retailer 15$4,263 USD
Retailer 6$4,415 USD
Retailer 12$6,000 USD
Retailer 16$6,346 USD
Retailer 3$6,599 USD
Retailer 13$6,608 USD
Retailer 5$7,428 USD
Retailer 17$9,832 USD
Retailer 18$10,199 USD
Retailer 7$11,704 USD
Retailer 10$11,735 USD
Retailer 4$13,762 USD
Retailer 19$16,034 USD
Retailer 14$16,708 USD
Retailer 9$20,030 USD
Retailer 11$25,280 USD
Mervis Diamond Importers$26,455 USD

39 data points across 21 retailers

23 retailers$3,675 USD to $26,455 USD

A
Cheapest Retailer
-
$3,675 USD
A
Retailer 2
-
$3,956 USD
£3,115 GBP
View
A
Retailer 3
-
$3,998 USD
View
A
Retailer 4
-
$4,115 USD
View
A
Retailer 5
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$4,204 USD
View
A
Retailer 6
-
$4,212 USD
View
A
Retailer 7
-
$4,247 USD
View
A
Retailer 8
-
$4,263 USD
View
A
Retailer 9
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$4,415 USD
View
A
Retailer 10
-
$6,000 USD
View
A
Retailer 11
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$6,360 USD
£5,008 GBP
View
A
Retailer 12
-
$6,599 USD
£5,196 GBP
View
A
Retailer 13
-
$6,608 USD
View
B+
Retailer 14
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$9,832 USD
ZAR 158,831 ZAR
View
B+
Retailer 15
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$10,199 USD
£8,031 GBP
View
B+
Retailer 16
-
$11,704 USD
View
B+
Retailer 17
-
$11,735 USD
View
B
Retailer 18
-
$13,762 USD
View
B
Retailer 19
-
$16,034 USD
View
B
Retailer 20
-
$16,708 USD
View
B
Retailer 21
-
$20,030 USD
View
B
Retailer 22
-
$25,280 USD
View
Most Expensive
B
Mervis Diamond Importers
1985409391 · Sep 30
$26,455 USD
View
22 more retailers have this diamond
Prices start from $3,675 USDSave up to $22,780 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
$3,675 USD