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Radiant|Lab Grown|IGI

3.86ct F VVS2 Radiant Lab Grown Diamond

EX • F/VVS2 • IGI LG778697521

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

Certificate IGI LG778697521

Diamond specifications and retailer prices

From £514 GBP
$690 USD
As of November 2, 2026
Save £3,763 GBP (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,277 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.86ct lab-grown radiant diamond

This 3.86ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778697521 or 778697521. Listed at 13 retailers as of October 31, 2026, with prices from £514 to £4,277, a £3,763 spread on the same certified stone. Brilliant Earth lists it at £4,277. 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

3.86
Carat
F
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778697521
Dimensions10.84 × 7.85 × 5.34 mm
L/W Ratio1.38
Culet sizePointed
Top View
10.84 mm7.85 mm3.86 ctF / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778697521
Side View
Table 66.0%Crown 44.8°Girdle: MediumPavilion 36.4°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £4,277 GBP|Low: £514 GBP|High: £5,634 GBP|Avg: £1,738 GBP|+1.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 14£514 GBP
Retailer 2£586 GBP
Retailer 12£616 GBP
Retailer 16£632 GBP
Retailer 13£766 GBP
Retailer 6£810 GBP
Retailer 8£852 GBP
Retailer 3£1,042 GBP
Retailer 4£1,177 GBP
Retailer 15£1,231 GBP
Retailer 7£1,466 GBP
Retailer 5£2,051 GBP
Retailer 11£2,286 GBP
Retailer 9£2,894 GBP
Retailer 17£3,413 GBP
Retailer 10£3,656 GBP
Brilliant Earth£4,277 GBP

25 data points across 17 retailers

13 retailers£514 GBP to £4,277 GBP

A
Cheapest Retailer
-
£514 GBP
$690 USD
A
Retailer 2
-
£586 GBP
View
A
Retailer 3
-
£616 GBP
$826 USD
View
B+
Retailer 4
-
£632 GBP
$848 USD
View
A
Retailer 5
-
£766 GBP
€979 EUR
View
A
Retailer 6
-
£1,042 GBP
$1,398 USD
View
A
Retailer 7
-
£1,177 GBP
$1,580 USD
View
A
Retailer 8
-
£1,231 GBP
$1,652 USD
View
Retailer 9
-
£2,051 GBP
A$4,235 AUD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
£2,286 GBP
View
B
Retailer 11
-
£3,413 GBP
$4,580 USD
View
B
Retailer 12
-
£3,656 GBP
$4,906 USD
View
Most Expensive
B
Brilliant Earth
21662731A · Oct 31
£4,277 GBP
$5,740 USD
View
12 more retailers have this diamond
Prices start from £514 GBPSave up to £3,763 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
3.86ct Radiant
£514 GBP