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Radiant|Lab Grown|IGI

4.27ct D IF Radiant Lab Grown Diamond

ID • D/IF

Diamond specifications and retailer prices

From $3,724 USD
£2,933 GBP
Save $7,644 USD (67%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $11,368 USD at Blue Nile
View at Blue Nile

About this 4.27ct lab-grown radiant diamond

This 4.27ct 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. Listed at 2 retailers, with prices from $3,724 to $11,368 at Blue Nile, a $7,644 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

4.27
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions11.65 × 7.98 × 5.34 mm
L/W Ratio1.46
Top View
11.65 mm7.98 mm4.27 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 1
Current: $11,368 USD|Low: $3,108 USD|High: $17,971 USD|Avg: $7,823 USD|-36.7%
Blue Nile
Retailer 2
Retailer 3
October 1, 2026
Retailer 3$3,108 USD
Retailer 2$3,724 USD
Blue Nile$11,368 USD

28 data points across 3 retailers

2 retailers$3,724 USD to $11,368 USD

A
Cheapest Retailer
-
$3,724 USD
£2,933 GBP
Most Expensive
B
Blue Nile
24062887 · Sep 29
$11,368 USD
View
1 more retailer has this diamond
Prices start from $3,724 USDSave up to $7,644 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
4.27ct Radiant
$3,724 USD