Radiant|Lab Grown|IGI

4.29ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LGUG-50579

Certificate IGI LGUG-50579

Diamond specifications and retailer prices

From $8,235 USD
1 retailer carries this diamond
Only listing: $8,235 USD at Grown Brilliance
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Grown Brilliance

About this 4.29ct lab-grown radiant diamond

This 4.29ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LGUG-50579 or UG-50579. Currently listed at a single retailer. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

4.29
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LGUG-50579
Dimensions11.25 × 8.17 × 5.44 mm
L/W Ratio1.38
Top View
11.25 mm8.17 mm4.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LGUG-50579
Side View
Table 64.0%CrownGirdlePavilionCuletDepth 66.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Sep 30
Current: $8,235 USD|Low: $8,235 USD|High: $14,325 USD|Avg: $11,280 USD|-42.5%
September 20, 2026
Grown Brilliance$8,235 USD

2 data points across 1 retailer

1 retailer

B+
Grown Brilliance
gb_3822053 · Sep 30
$8,235 USD
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B+
4.29ct Radiant
$8,235 USD