Radiant|Lab Grown|IGI

4.15ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644671

Certificate IGI LG784644671

Diamond specifications and retailer prices

From $4,664 USD
Save $25,566 USD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $30,230 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 4.15ct lab-grown radiant diamond

This 4.15ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644671 or 784644671. Listed at 12 retailers, with prices from $4,664 to $30,230 at Do Amore Diamonds, a $25,566 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

4.15
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644671
Dimensions11.12 × 7.99 × 5.27 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
11.12 mm7.99 mm4.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644671
Side View
Table 67.0%Crown 45.1°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 66.0%

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: Oct 1
Current: $30,230 USD|Low: $3,876 USD|High: $33,330 USD|Avg: $13,114 USD|-9.3%
Do Amore Diamonds
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
October 1, 2026
Retailer 15$4,664 USD
Retailer 14$4,717 USD
Retailer 13$5,140 USD
Retailer 3$5,426 USD
Retailer 9$6,036 USD
Retailer 16$6,938 USD
Retailer 10$7,031 USD
Retailer 17$8,425 USD
Retailer 2$9,120 USD
Retailer 8$10,899 USD
Retailer 11$11,587 USD
Retailer 12$14,059 USD
Retailer 6$19,136 USD
Retailer 4$22,520 USD
Retailer 7$27,414 USD
Retailer 5$28,743 USD
Do Amore Diamonds$30,230 USD

17 data points across 17 retailers

12 retailers$4,664 USD to $30,230 USD

A
Cheapest Retailer
-
$4,664 USD
A
Retailer 2
-
$4,717 USD
View
A
Retailer 3
-
$5,140 USD
View
A
Retailer 4
-
$5,426 USD
View
A
Retailer 5
-
$6,938 USD
View
A
Retailer 6
-
$7,031 USD
View
B+
Retailer 7
-
$8,425 USD
View
B+
Retailer 8
-
$9,120 USD
€8,686 EUR
View
B+
Retailer 9
-
$11,587 USD
£9,124 GBP
View
B+
Retailer 10
-
$14,059 USD
View
B
Retailer 11
-
$22,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-2D6CD7CDF · Sep 30
$30,230 USD
View
11 more retailers have this diamond
Prices start from $4,664 USDSave up to $25,566 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
4.15ct Radiant
$4,664 USD