Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780666053

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG780666053

Diamond specifications and retailer prices

From $3,563 USD
As of October 29, 2026
Save $18,467 USD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,030 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.02ct lab-grown radiant diamond

This 4.02ct 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 LG780666053 or 780666053. Listed at 15 retailers as of October 29, 2026, with prices from $3,563 to $22,030, a $18,467 spread on the same certified stone. Do Amore Diamonds lists it at $22,030. 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

4.02
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780666053
Dimensions11.02 × 7.91 × 5.26 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
11.02 mm7.91 mm4.02 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780666053
Side View
Table 59.0%Crown 42.4°Girdle: ThickPavilion 34.2°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $22,030 USD|Low: $3,563 USD|High: $30,200 USD|Avg: $9,669 USD|-27.1%
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
October 29, 2026
Retailer 8$3,563 USD
Retailer 6$3,870 USD
Retailer 10$4,193 USD
Retailer 3$4,205 USD
Retailer 9$5,228 USD
Retailer 7$5,768 USD
Retailer 12$7,243 USD
Retailer 5$7,650 USD
Retailer 2$8,829 USD
Retailer 11$10,116 USD
Retailer 4$21,160 USD
Do Amore Diamonds$22,030 USD

34 data points across 12 retailers

15 retailers$3,563 USD to $22,030 USD

A
Cheapest Retailer
-
$3,563 USD
A
Retailer 2
-
$3,870 USD
View
A
Retailer 3
-
$4,193 USD
View
A
Retailer 4
-
$4,205 USD
View
Final sale: no returns
A
Retailer 5
-
$4,263 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$4,467 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
$5,228 USD
View
A
Retailer 8
-
$5,768 USD
View
B+
Retailer 9
-
$6,820 USD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
$7,243 USD
€6,898 EUR
View
B+
Retailer 11
-
$7,650 USD
View
B+
Retailer 12
-
$8,829 USD
£6,952 GBP
View
B+
Retailer 13
-
$10,116 USD
View
B
Retailer 14
-
$21,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-15DDAF019 · Oct 29
$22,030 USD
View
14 more retailers have this diamond
Prices start from $3,563 USDSave up to $18,467 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.02ct Radiant
$3,563 USD