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Radiant|Lab Grown|IGI

4.15ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG755512351

Certificate IGI LG755512351

Diamond specifications and retailer prices

From $5,109 USD
Save $25,731 USD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $30,840 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 LG755512351 or 755512351. Listed at 11 retailers, with prices from $5,109 to $30,840 at Do Amore Diamonds, a $25,731 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG755512351
Dimensions11.43 × 8.16 × 5.42 mm
L/W Ratio1.40
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
11.43 mm8.16 mm4.15 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG755512351
Side View
Table 65.0%Crown 42.9°Girdle: MediumPavilion 36.6°Culet: NoneDepth 66.4%

Caratlytics Score

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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: $30,840 USD|Low: $3,778 USD|High: $32,490 USD|Avg: $13,651 USD|-5.1%
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
September 29, 2026
Retailer 10$5,109 USD
Retailer 12$5,290 USD
Retailer 13$6,785 USD
Retailer 15$7,407 USD
Retailer 14$8,019 USD
Retailer 9$8,465 USD
Retailer 4$10,858 USD
Retailer 3$11,480 USD
Retailer 2$11,819 USD
Retailer 6$12,024 USD
Retailer 8$16,525 USD
Retailer 5$20,039 USD
Retailer 11$22,520 USD
Retailer 7$28,357 USD
Do Amore Diamonds$30,840 USD

18 data points across 15 retailers

11 retailers$5,109 USD to $30,840 USD

A
Cheapest Retailer
-
$5,109 USD
A
Retailer 2
-
$5,290 USD
View
A
Retailer 3
-
$6,785 USD
View
A
Retailer 4
-
$7,407 USD
View
Price last confirmed 45 days ago
A
Retailer 5
-
$8,019 USD
View
B+
Retailer 6
-
$8,465 USD
View
B+
Retailer 7
-
$11,480 USD
€10,933 EUR
View
Price last confirmed 78 days ago
B+
Retailer 8
-
$11,819 USD
£9,306 GBP
View
B
Retailer 9
-
$16,525 USD
View
B
Retailer 10
-
$22,520 USD
View
Most Expensive
B
Do Amore Diamonds
27-0B7248CC9 · Sep 30
$30,840 USD
View
10 more retailers have this diamond
Prices start from $5,109 USDSave up to $25,731 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
$5,109 USD