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Cushion|Lab Grown|IGI

3.01ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG526268826

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG526268826

Diamond specifications and retailer prices

From £2,615 GBP
As of November 6, 2026
Save £5,382 GBP (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £7,996 GBP at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 3.01ct lab-grown cushion diamond

This 3.01ct 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 LG526268826 or 526268826. Listed at 6 retailers as of November 6, 2026, with prices from £2,615 to £7,996, a £5,382 spread on the same certified stone. Moon Ocean lists it at £7,996. 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

3.01
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.8°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526268826
Dimensions9.15 × 7.66 × 4.94 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
9.15 mm7.66 mm3.01 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG526268826
Side View
Table 62.5%Crown 33.8°Girdle: MED-VTKPavilion 31.2°Culet: NoneDepth 64.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £7,996 GBP|Low: £2,615 GBP|High: £12,490 GBP|Avg: £7,073 GBP|-1.6%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3£2,615 GBP
Retailer 6£6,250 GBP
Retailer 4£6,285 GBP
Retailer 7£6,451 GBP
Retailer 5£7,281 GBP
Moon Ocean£7,996 GBP
Retailer 2£12,308 GBP

40 data points across 7 retailers

6 retailers£2,615 GBP to £7,996 GBP

B
Cheapest Retailer
-
£2,615 GBP
B
Retailer 2
-
£6,250 GBP
View
Retailer 3
-
£6,285 GBP
View
Price last confirmed 25 days ago
B
Retailer 4
-
£7,281 GBP
View
Most Expensive
B
Moon Ocean
NVL-D93927608-826 · Nov 6
£7,996 GBP
View
4 more retailers have this diamond
Prices start from £2,615 GBPSave up to £5,382 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
3.01ct Cushion
£2,615 GBP