Radiant|Lab Grown|IGI

4.02ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG823669955

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

Certificate IGI LG823669955

Diamond specifications and retailer prices

From $4,545 USD
As of October 28, 2026
Save $17,077 USD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,622 USD at Mervis Diamond Importers · As of October 29, 2026
View at Mervis Diamond Importers

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 very-good cut grade and certified by IGI LG823669955 or 823669955. Listed at 23 retailers as of October 28, 2026, with prices from $4,545 to $21,622, a $17,077 spread on the same certified stone. Mervis Diamond Importers lists it at $21,622. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.02
Carat
D
Color
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823669955
Dimensions11.03 × 7.86 × 5.40 mm
L/W Ratio1.40
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
11.03 mm7.86 mm4.02 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823669955
Side View
Table 65.0%Crown 42.8°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $21,622 USD|Low: $4,545 USD|High: $31,730 USD|Avg: $12,857 USD|-18.2%
Mervis Diamond Importers
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
October 23, 2026
Retailer 10$4,545 USD
Retailer 6$5,132 USD
Retailer 4$5,355 USD
Retailer 11$6,279 USD
Retailer 15$6,791 USD
Retailer 2$7,482 USD
Retailer 16$7,621 USD
Retailer 8$8,306 USD
Retailer 13$10,791 USD
Retailer 3$12,070 USD
Retailer 17$12,374 USD
Retailer 12$13,265 USD
Retailer 7$14,635 USD
Retailer 14$19,002 USD
Retailer 9$19,120 USD
Mervis Diamond Importers$21,622 USD
Retailer 5$31,540 USD

28 data points across 17 retailers

23 retailers$4,545 USD to $21,622 USD

A
Cheapest Retailer
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$4,545 USD
A
Retailer 2
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$4,584 USD
View
Price last confirmed 21 days ago
A
Retailer 3
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$4,804 USD
View
Price last confirmed 15 days ago
A
Retailer 4
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$5,317 USD
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Price last confirmed 26 days ago
A
Retailer 5
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$5,317 USD
View
Price last confirmed 17 days ago
A
Retailer 6
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$5,355 USD
View
Price last confirmed 12 days ago
A
Retailer 7
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$6,279 USD
View
B+
Retailer 8
-
$6,791 USD
View
Price last confirmed 13 days ago
B+
Retailer 9
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$6,967 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
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$7,482 USD
€7,126 EUR
View
B+
Retailer 11
-
$7,621 USD
£6,001 GBP
View
Price last confirmed 13 days ago
B+
Retailer 12
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$8,306 USD
£6,540 GBP
View
Price last confirmed 13 days ago
B
Retailer 13
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$10,791 USD
View
B
Retailer 14
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$12,070 USD
£9,504 GBP
View
Price last confirmed 14 days ago
B
Retailer 15
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$12,374 USD
ZAR 199,907 ZAR
View
Price last confirmed 14 days ago
B
Retailer 16
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$13,265 USD
View
B
Retailer 17
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$14,635 USD
View
Price last confirmed 13 days ago
B
Retailer 18
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$19,002 USD
View
B
Retailer 19
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$19,120 USD
View
B
Retailer 20
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$21,060 USD
View
B
Retailer 21
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$21,110 USD
View
B
Retailer 22
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$21,160 USD
View
Most Expensive
B
Mervis Diamond Importers
1984816712 · Oct 29
$21,622 USD
View
22 more retailers have this diamond
Prices start from $4,545 USDSave up to $17,077 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
$4,545 USD