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Radiant|Lab Grown|IGI

4.11ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG754508902

Certificate IGI LG754508902

Diamond specifications and retailer prices

From $3,999 USD
Save $12,047 USD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $16,046 USD at Taylor and Hart
View at Taylor and Hart

About this 4.11ct lab-grown radiant diamond

This 4.11ct 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 LG754508902 or 754508902. Listed at 12 retailers, with prices from $3,999 to $16,046 at Taylor and Hart, a $12,047 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

4.11
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508902
Dimensions11.21 × 8.06 × 5.28 mm
L/W Ratio1.39
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
11.21 mm8.06 mm4.11 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508902
Side View
Table 64.0%Crown 40.7°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 65.5%

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: $14,672 USD|Low: $3,938 USD|High: $20,280 USD|Avg: $9,222 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
Taylor and Hart
October 1, 2026
Retailer 9$3,999 USD
Retailer 11$4,303 USD
Retailer 2$5,558 USD
Retailer 8$5,722 USD
Retailer 4$6,096 USD
Retailer 10$7,214 USD
Retailer 6$7,360 USD
Retailer 5$9,818 USD
Retailer 3$12,116 USD
Retailer 7$13,860 USD
Retailer 1$14,672 USD
Taylor and Hart$16,046 USD

35 data points across 12 retailers

12 retailers$3,999 USD to $16,046 USD

A
Cheapest Retailer
-
$3,999 USD
A
Retailer 2
-
$4,303 USD
View
A
Retailer 3
-
$5,558 USD
View
A
Retailer 4
-
$5,722 USD
HK$44,700 HKD
View
A
Retailer 5
-
$6,110 USD
£4,811 GBP
View
A
Retailer 6
-
$7,214 USD
€6,870 EUR
View
A
Retailer 7
-
$7,360 USD
View
B+
Retailer 8
-
$9,818 USD
£7,731 GBP
View
B+
Retailer 9
-
$12,116 USD
View
B+
Retailer 10
-
$13,860 USD
View
B
Retailer 11
-
$14,672 USD
A$22,572 AUD
View
Most Expensive
B
Taylor and Hart
5YN8EI4 · Sep 30
$16,046 USD
View
11 more retailers have this diamond
Prices start from $3,999 USDSave up to $12,047 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
4.11ct Radiant
$3,999 USD