Radiant|Lab Grown|IGI

3.50ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG639461190

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

Certificate IGI LG639461190

Diamond specifications and retailer prices

From $3,258 AUD
£1,802 GBP
As of October 28, 2026
Save $999 AUD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,257 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.5ct lab-grown radiant diamond

This 3.5ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG639461190 or 639461190. Listed at 2 retailers as of October 28, 2026, with prices from $3,258 to $4,257, a $999 spread on the same certified stone. Brilliant Earth lists it at $4,257. 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

3.50
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639461190
Dimensions10.65 × 7.41 × 5.02 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.65 mm7.41 mm3.50 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639461190
Side View
Table 63.0%Crown 42.9°Girdle: MediumPavilion 36.1°Culet: NoneDepth 67.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $4,257 AUD|Low: $1,911 AUD|High: $4,570 AUD|Avg: $2,912 AUD|-6.9%
Brilliant Earth
Retailer 2
January 29, 2026
Retailer 2$1,911 AUD
Brilliant Earth$4,257 AUD

3 data points across 2 retailers

2 retailers$3,258 AUD to $4,257 AUD

B+
Cheapest Retailer
-
$3,258 AUD
£1,802 GBP
Most Expensive
B
Brilliant Earth
17292933A · Oct 29
$4,257 AUD
$2,990 USD
View
1 more retailer has this diamond
Prices start from $3,258 AUDSave up to $999 AUD

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.

B+
3.50ct Radiant
$3,258 AUD