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Radiant|Lab Grown|IGI

3.92ct D VS1 Radiant Lab Grown Diamond

D/VS1 • IGI LG780685990

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

Certificate IGI LG780685990

Diamond specifications and retailer prices

From $1,337 SGD
£824 GBP
As of October 23, 2026
3 retailers carry this diamond
Most expensive: $6,277 SGD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 3.92ct lab-grown radiant diamond

This 3.92ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included) and certified by IGI LG780685990 or 780685990. Listed at 3 retailers as of October 23, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.92
Carat
D
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780685990
Dimensions7.92 × 7.92 × 5.32 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm7.92 mm3.92 ctD / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780685990
Side View
Table 66.0%Crown 46.8°Girdle: Slightly ThickPavilion 35.4°Culet: NoneDepth 67.2%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: $6,277 SGD|Low: $493 SGD|High: $6,469 SGD|Avg: $2,361 SGD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 23, 2026
Retailer 3$493 SGD
Retailer 6$756 SGD
Retailer 9$857 SGD
Retailer 8$1,207 SGD
Retailer 13$1,286 SGD
Retailer 2$1,337 SGD
Retailer 4$2,021 SGD
Retailer 10$2,621 SGD
Retailer 11$2,766 SGD
Retailer 12$2,902 SGD
Retailer 5$2,995 SGD
Retailer 7$5,018 SGD
Brilliant Earth$6,277 SGD

31 data points across 13 retailers

3 retailers$1,337 SGD to $6,277 SGD

Retailer 1
-
$1,337 SGD
£824 GBP
Price last confirmed 7 days ago
Retailer 2
-
$5,018 SGD
$3,925 USD
View
Price last confirmed 16 days ago
Most Expensive
Brilliant Earth
18320431A · Oct 23
$6,277 SGD
$4,910 USD
View
Price last confirmed 7 days ago
2 more retailers have 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.

3.92ct Radiant
$1,337 SGD