Radiant|Lab Grown|IGI

4.15ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG811635546

Certificate IGI LG811635546

Diamond specifications and retailer prices

From $4,676 USD
Save $25,904 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $30,580 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 LG811635546 or 811635546. Listed at 11 retailers, with prices from $4,676 to $30,580 at Do Amore Diamonds, a $25,904 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 angle40.7°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635546
Dimensions11.60 × 7.96 × 5.15 mm
L/W Ratio1.46
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
11.60 mm7.96 mm4.15 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635546
Side View
Table 63.0%Crown 40.7°Girdle: Slightly ThickPavilion 33.1°Culet: NoneDepth 64.7%

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: Oct 1
Current: $30,580 USD|Low: $4,636 USD|High: $33,890 USD|Avg: $13,137 USD|-9.8%
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
October 1, 2026
Retailer 9$4,676 USD
Retailer 8$4,768 USD
Retailer 7$5,195 USD
Retailer 10$7,022 USD
Retailer 5$7,112 USD
Retailer 11$8,445 USD
Retailer 2$9,228 USD
Retailer 6$11,721 USD
Retailer 4$13,548 USD
Retailer 12$22,520 USD
Retailer 3$25,292 USD
Do Amore Diamonds$30,580 USD

18 data points across 12 retailers

11 retailers$4,676 USD to $30,580 USD

A
Cheapest Retailer
-
$4,676 USD
A
Retailer 2
-
$4,768 USD
View
A
Retailer 3
-
$5,195 USD
View
A
Retailer 4
-
$7,022 USD
View
A
Retailer 5
-
$7,112 USD
View
B+
Retailer 6
-
$8,445 USD
View
B+
Retailer 7
-
$9,228 USD
€8,789 EUR
View
B+
Retailer 8
-
$11,721 USD
£9,229 GBP
View
B
Retailer 9
-
$22,520 USD
View
B
Retailer 10
-
$25,292 USD
View
Price last confirmed 50 days ago
Most Expensive
B
Do Amore Diamonds
27-2C0A7E2A1 · Sep 30
$30,580 USD
View
10 more retailers have this diamond
Prices start from $4,676 USDSave up to $25,904 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
$4,676 USD