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Cushion|Lab Grown|IGI

3.14ct J VVS2 Cushion Lab Grown Diamond

EX • J/VVS2 • IGI LG653408791

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG653408791

Diamond specifications and retailer prices

From £629 GBP
As of November 6, 2026
Save £1,257 GBP (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,886 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 3.14ct lab-grown cushion diamond

This 3.14ct lab-grown cushion sits in the three to five carat band, graded J colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG653408791 or 653408791. Listed at 6 retailers as of November 3, 2026, with prices from £629 to £1,886, a £1,257 spread on the same certified stone. MOH London lists it at £1,886. 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

3.14
Carat
J
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653408791
Dimensions8.79 × 8.56 × 5.29 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.79 mm8.56 mm3.14 ctJ / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653408791
Side View
Table 65.0%Crown 36.7°Girdle: MED-THKPavilion 36.4°Culet: NoneDepth 61.8%

Caratlytics Score

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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 6
Current: £1,886 GBP|Low: £508 GBP|High: £1,909 GBP|Avg: £999 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8£508 GBP
Retailer 7£625 GBP
Retailer 5£629 GBP
Retailer 4£636 GBP
Retailer 3£644 GBP
Retailer 2£1,446 GBP
Retailer 6£1,560 GBP
MOH London£1,886 GBP

10 data points across 8 retailers

6 retailers£629 GBP to £1,886 GBP

A
Cheapest Retailer
-
£629 GBP
A
Retailer 2
-
£636 GBP
View
B+
Retailer 3
-
£644 GBP
View
B
Retailer 4
-
£1,446 GBP
View
B+
Retailer 5
-
£1,560 GBP
View
Most Expensive
B
MOH London
LG653408791 · Nov 3
£1,886 GBP
View
5 more retailers have this diamond
Prices start from £629 GBPSave up to £1,257 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
3.14ct Cushion
£629 GBP