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Cushion|Lab Grown|IGI

3.30ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG468194047

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG468194047

Diamond specifications and retailer prices

From £2,587 GBP
As of November 6, 2026
Save £4,640 GBP (64%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £7,227 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.3ct lab-grown cushion diamond

This 3.3ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG468194047 or 468194047. Listed at 4 retailers as of November 5, 2026, with prices from £2,587 to £7,227, a £4,640 spread on the same certified stone. MOH London lists it at £7,227. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.30
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.8°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG468194047
Dimensions9.13 × 7.80 × 5.20 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.13 mm7.80 mm3.30 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG468194047
Side View
Table 60.5%Crown 37.8°Girdle: MED-THKPavilion 31.6°Culet: NoneDepth 66.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £7,227 GBP|Low: £2,587 GBP|High: £7,344 GBP|Avg: £3,974 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4£2,587 GBP
Retailer 3£2,870 GBP
Retailer 6£2,977 GBP
Retailer 5£3,683 GBP
Retailer 2£4,397 GBP
MOH London£7,227 GBP

12 data points across 6 retailers

4 retailers£2,587 GBP to £7,227 GBP

B
Cheapest Retailer
-
£2,587 GBP
B
Retailer 2
-
£2,870 GBP
View
B
Retailer 3
-
£4,397 GBP
View
Most Expensive
B
MOH London
LG468194047 · Nov 5
£7,227 GBP
View
3 more retailers have this diamond
Prices start from £2,587 GBPSave up to £4,640 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.

B
3.30ct Cushion
£2,587 GBP