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Cushion|Lab Grown|IGI

3.86ct G VS2 Cushion Lab Grown Diamond

EX • G/VS2 • IGI LG816683791

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816683791

Diamond specifications and retailer prices

From £377 GBP
$505 USD
As of October 28, 2026
Save £153 GBP (29%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £530 GBP at Loose Grown Diamond · As of October 26, 2026
View at Loose Grown Diamond

About this 3.86ct lab-grown cushion diamond

This 3.86ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG816683791 or 816683791. Listed at 2 retailers as of October 26, 2026, with prices from £377 to £530, a £153 spread on the same certified stone. Loose Grown Diamond lists it at £530. 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
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816683791
Dimensions10.91 × 8.23 × 5.49 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.91 mm8.23 mm3.86 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816683791
Side View
Table 59.0%Crown 36.9°Girdle: THN-STKPavilion 36.1°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £530 GBP|Low: £377 GBP|High: £1,311 GBP|Avg: £801 GBP|-13.3%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2£377 GBP
Retailer 5£508 GBP
Loose Grown Diamond£530 GBP
Retailer 3£678 GBP
Retailer 4£973 GBP
Retailer 6£1,311 GBP

15 data points across 6 retailers

2 retailers£377 GBP to £530 GBP

A
Cheapest Retailer
-
£377 GBP
$505 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
816683791 · Oct 26
£530 GBP
$710 USD
View
1 more retailer has this diamond
Prices start from £377 GBPSave up to £153 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 Cushion
£377 GBP