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Radiant|Lab Grown|IGI

3.90ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1

Diamond specifications and retailer prices

From £1,862 GBP
CA$3,465 CAD
As of October 30, 2026
2 retailers carry this diamond
Most expensive: £1,862 GBP at Diamond Exchange Canada
View at Diamond Exchange Canada

About this 3.9ct lab-grown radiant diamond

This 3.9ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 30, 2026. 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

3.90
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.83 × 7.75 × 5.28 mm
L/W Ratio1.40
Top View
10.83 mm7.75 mm3.90 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 68.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £1,862 GBP|Low: £683 GBP|High: £1,862 GBP|Avg: £1,175 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
October 7, 2026
Retailer 3£686 GBP
Retailer 2£968 GBP
Diamond Exchange Canada£1,862 GBP

6 data points across 3 retailers

2 retailers

Retailer 1
-
£968 GBP
$1,297 USD
Price last confirmed 19 days ago
Most Expensive
B
Diamond Exchange Canada
1986506934 · Oct 30
£1,862 GBP
CA$3,465 CAD
View
1 more retailer has this diamond

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
3.90ct Radiant
£1,862 GBP