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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 £441 GBP
$591 USD
As of October 30, 2026
Save £3,223 GBP (88%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,664 GBP 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 29, 2026, with prices from £441 to £3,664, a £3,223 spread on the same certified stone. Brilliant Earth lists it at £3,664. 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
Colour
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 30
Current: £3,664 GBP|Low: £291 GBP|High: £3,776 GBP|Avg: £1,369 GBP|-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
October 31, 2026
Retailer 4£291 GBP
Retailer 5£441 GBP
Retailer 9£504 GBP
Retailer 6£708 GBP
Retailer 12£757 GBP
Retailer 2£795 GBP
Retailer 7£1,354 GBP
Retailer 8£1,531 GBP
Retailer 10£1,630 GBP
Retailer 11£1,707 GBP
Retailer 3£2,981 GBP
Brilliant Earth£3,664 GBP

39 data points across 12 retailers

4 retailers£441 GBP to £3,664 GBP

A
Cheapest Retailer
-
£441 GBP
$591 USD
Final sale: no returns
A
Retailer 2
-
£795 GBP
View
Retailer 3
-
£2,981 GBP
$3,994 USD
View
Price last confirmed 64 days ago
Most Expensive
B
Brilliant Earth
18052649A · Oct 29
£3,664 GBP
$4,910 USD
View
3 more retailers have this diamond
Prices start from £441 GBPSave up to £3,223 GBP

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
£441 GBP