Radiant|Lab Grown|IGI

3.92ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG777618033

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

Certificate IGI LG777618033

Diamond specifications and retailer prices

From $591 USD
As of October 28, 2026
Save $4,319 USD (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,910 USD at Brilliant Earth · As of October 29, 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), with a top-tier cut grade and certified by IGI LG777618033 or 777618033. Listed at 4 retailers as of October 28, 2026, with prices from $591 to $4,910, a $4,319 spread on the same certified stone. Brilliant Earth lists it at $4,910. 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

3.92
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777618033
Dimensions11.24 × 7.72 × 5.27 mm
L/W Ratio1.46
Culet sizePointed
Top View
11.24 mm7.72 mm3.92 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777618033
Side View
Table 67.0%Crown 43.4°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $4,910 USD|Low: $390 USD|High: $5,060 USD|Avg: $1,816 USD|-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 29, 2026
Retailer 4$390 USD
Retailer 6$591 USD
Retailer 10$675 USD
Retailer 7$949 USD
Retailer 13$1,014 USD
Retailer 2$1,062 USD
Retailer 5$1,598 USD
Retailer 8$1,814 USD
Retailer 9$2,052 USD
Retailer 11$2,184 USD
Retailer 12$2,287 USD
Retailer 3$3,994 USD
Brilliant Earth$4,910 USD

38 data points across 13 retailers

4 retailers$591 USD to $4,910 USD

A
Cheapest Retailer
-
$591 USD
Final sale: no returns
A
Retailer 2
-
$1,062 USD
£837 GBP
View
Retailer 3
-
$3,994 USD
View
Price last confirmed 63 days ago
Most Expensive
B
Brilliant Earth
18052649A · Oct 29
$4,910 USD
View
3 more retailers have this diamond
Prices start from $591 USDSave up to $4,319 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.

A
3.92ct Radiant
$591 USD