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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 $3,080 SGD
£1,897 GBP
As of October 29, 2026
Save $4,981 SGD (62%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $8,062 SGD 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 $3,080 to $8,062, a $4,981 spread on the same certified stone. Diamond Wish lists it at $8,062. 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
Colour
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

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $8,062 SGD|Low: $667 SGD|High: $11,902 SGD|Avg: $3,901 SGD|+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$667 SGD
Retailer 5$1,573 SGD
Retailer 6$1,656 SGD
Retailer 10$1,666 SGD
Retailer 11$2,040 SGD
Retailer 3$3,080 SGD
Retailer 8$3,130 SGD
Retailer 9$3,427 SGD
Retailer 7$5,624 SGD
Diamond Wish$8,062 SGD
Retailer 2$11,288 SGD

65 data points across 11 retailers

2 retailers$3,080 SGD to $8,062 SGD

B+
Cheapest Retailer
-
$3,080 SGD
£1,897 GBP
Most Expensive
B
Diamond Wish
LG-RD349465-GIA · Oct 29
$8,062 SGD
$6,306 USD
View
1 more retailer has this diamond
Prices start from $3,080 SGDSave up to $4,981 SGD

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
$3,080 SGD