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Cushion|Lab Grown|IGI

3.04ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG526268679

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG526268679

Diamond specifications and retailer prices

From £620 GBP
As of November 5, 2026
Save £1,637 GBP (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,257 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.04ct lab-grown cushion diamond

This 3.04ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526268679 or 526268679. Listed at 8 retailers as of November 5, 2026, with prices from £620 to £2,257, a £1,637 spread on the same certified stone. MOH London lists it at £2,257. 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

3.04
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.8°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526268679
Dimensions8.98 × 7.55 × 4.93 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.98 mm7.55 mm3.04 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526268679
Side View
Table 61.5%Crown 29.8°Girdle: STK-VTKPavilion 34.3°Culet: NoneDepth 65.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £2,257 GBP|Low: £521 GBP|High: £2,291 GBP|Avg: £1,163 GBP|+8.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6£521 GBP
Retailer 3£620 GBP
Retailer 7£728 GBP
Retailer 5£803 GBP
Retailer 2£805 GBP
Retailer 4£1,987 GBP
MOH London£2,257 GBP

43 data points across 7 retailers

8 retailers£620 GBP to £2,257 GBP

Retailer 1
-
£521 GBP
Price last confirmed 21 days ago
A
Retailer 2
-
£620 GBP
View
A
Retailer 3
-
£728 GBP
View
A
Retailer 4
-
£803 GBP
View
A
Retailer 5
-
£805 GBP
View
B
Retailer 6
-
£1,606 GBP
View
B
Retailer 7
-
£1,987 GBP
View
Most Expensive
B
MOH London
LG526268679 · Nov 5
£2,257 GBP
View
7 more retailers have this diamond
Prices start from £620 GBPSave up to £1,637 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
3.04ct Cushion
£620 GBP