Radiant|Lab Grown|IGI

3.90ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG762540392

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

Certificate IGI LG762540392

Diamond specifications and retailer prices

From $823 CAD
$588 USD
As of October 29, 2026
Save $6,021 CAD (88%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,844 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG762540392 or 762540392. Listed at 5 retailers as of October 28, 2026, with prices from $823 to $6,844, a $6,021 spread on the same certified stone. Brilliant Earth lists it at $6,844. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762540392
Dimensions7.89 × 7.89 × 10.69 mm
L/W Ratio1.00
Culet sizePointed
Top View
7.89 mm7.89 mm3.90 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762540392
Side View
Table 67.0%Crown 46.3°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $6,844 CAD|Low: $602 CAD|High: $7,040 CAD|Avg: $2,630 CAD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4$823 CAD
Retailer 6$1,127 CAD
Retailer 8$1,164 CAD
Retailer 7$1,324 CAD
Retailer 3$1,414 CAD
Retailer 2$1,484 CAD
Retailer 9$2,844 CAD
Retailer 10$3,043 CAD
Retailer 11$3,189 CAD
Retailer 5$5,528 CAD
Brilliant Earth$6,844 CAD

39 data points across 11 retailers

5 retailers$823 CAD to $6,844 CAD

A
Cheapest Retailer
-
$823 CAD
$588 USD
Final sale: no returns
Retailer 2
-
$1,164 CAD
£655 GBP
View
Price last confirmed 45 days ago
A
Retailer 3
-
$1,484 CAD
£835 GBP
View
Retailer 4
-
$5,528 CAD
$3,950 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
17192827A · Oct 28
$6,844 CAD
$4,890 USD
View
4 more retailers have this diamond
Prices start from $823 CADSave up to $6,021 CAD

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
3.90ct Radiant
$823 CAD