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Radiant|Lab Grown|IGI

4.09ct I VVS2 Radiant Lab Grown Diamond

EX • I/VVS2 • IGI LG850680925

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

Certificate IGI LG850680925

Diamond specifications and retailer prices

From $1,098 SGD
£676 GBP
As of November 1, 2026
Save $5,064 SGD (82%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,162 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.09ct lab-grown radiant diamond

This 4.09ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG850680925 or 850680925. Listed at 2 retailers as of October 31, 2026, with prices from $1,098 to $6,162, a $5,064 spread on the same certified stone. Brilliant Earth lists it at $6,162. 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

4.09
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850680925
Dimensions10.93 × 7.99 × 5.39 mm
L/W Ratio1.37
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.93 mm7.99 mm4.09 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850680925
Side View
Table 64.0%Crown 45.4°Girdle: MediumPavilion 35.2°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $6,162 SGD|Low: $1,098 SGD|High: $6,162 SGD|Avg: $3,630 SGD
Brilliant Earth
Retailer 2
November 1, 2026
Retailer 2$1,098 SGD
Brilliant Earth$6,162 SGD

2 data points across 2 retailers

2 retailers$1,098 SGD to $6,162 SGD

A
Cheapest Retailer
-
$1,098 SGD
£676 GBP
Most Expensive
B
Brilliant Earth
22380415A · Oct 31
$6,162 SGD
$4,820 USD
View
1 more retailer has this diamond
Prices start from $1,098 SGDSave up to $5,064 SGD

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
4.09ct Radiant
$1,098 SGD