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Cushion|Lab Grown|IGI

3.67ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG814604136

Shape and cutting style on the report: Rectangular cushion mixed cut

Certificate IGI LG814604136

Diamond specifications and retailer prices

From £624 GBP
$838 USD
As of November 1, 2026
Save £596 GBP (49%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,221 GBP at Loose Grown Diamond · As of November 1, 2026
View at Loose Grown Diamond

About this 3.67ct lab-grown cushion diamond

This 3.67ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG814604136 or 814604136. Listed at 2 retailers as of November 1, 2026, with prices from £624 to £1,221, a £596 spread on the same certified stone. Loose Grown Diamond lists it at £1,221. 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

3.67
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle49.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814604136
Dimensions10.44 × 7.37 × 4.90 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.44 mm7.37 mm3.67 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814604136
Side View
Table 65.0%Crown 36.3°Girdle: STK-THKPavilion 49.3°Culet: LargeDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,221 GBP|Low: £624 GBP|High: £2,740 GBP|Avg: £1,717 GBP|+31.9%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 16, 2026
Retailer 2£624 GBP
Retailer 6£1,126 GBP
Retailer 7£1,166 GBP
Loose Grown Diamond£1,221 GBP
Retailer 3£1,233 GBP
Retailer 9£1,856 GBP
Retailer 11£2,000 GBP
Retailer 8£2,021 GBP
Retailer 5£2,456 GBP
Retailer 4£2,575 GBP
Retailer 10£2,740 GBP

5 data points across 11 retailers

2 retailers£624 GBP to £1,221 GBP

A
Cheapest Retailer
-
£624 GBP
$838 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
814604136 · Nov 1
£1,221 GBP
$1,638 USD
View
1 more retailer has this diamond
Prices start from £624 GBPSave up to £596 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
3.67ct Cushion
£624 GBP