Radiant|Lab Grown|IGI

3.90ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG782650341

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

Certificate IGI LG782650341

Diamond specifications and retailer prices

From $2,409 USD
£1,897 GBP
As of October 29, 2026
Save $3,897 USD (62%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $6,306 USD at Diamond Wish · As of October 29, 2026
View at Diamond Wish

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 very-good cut grade and certified by IGI LG782650341 or 782650341. Listed at 2 retailers as of October 29, 2026, with prices from $2,409 to $6,306, a $3,897 spread on the same certified stone. Diamond Wish lists it at $6,306. 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

3.90
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782650341
Dimensions10.59 × 7.87 × 5.29 mm
L/W Ratio1.35
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.59 mm7.87 mm3.90 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782650341
Side View
Table 68.0%Crown 46.9°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 67.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $6,306 USD|Low: $522 USD|High: $9,310 USD|Avg: $3,051 USD|+50.0%
Diamond Wish
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
August 25, 2026
Retailer 4$522 USD
Retailer 5$1,230 USD
Retailer 6$1,295 USD
Retailer 10$1,303 USD
Retailer 11$1,596 USD
Retailer 3$2,409 USD
Retailer 8$2,448 USD
Retailer 9$2,681 USD
Retailer 7$4,399 USD
Diamond Wish$6,306 USD
Retailer 2$8,830 USD

65 data points across 11 retailers

2 retailers$2,409 USD to $6,306 USD

B+
Cheapest Retailer
-
$2,409 USD
£1,897 GBP
Most Expensive
B
Diamond Wish
LG-RD349465-GIA · Oct 29
$6,306 USD
View
1 more retailer has this diamond
Prices start from $2,409 USDSave up to $3,897 USD

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
$2,409 USD