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Cushion|Lab Grown|IGI

3.00ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG500144297

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

Certificate IGI LG500144297

Diamond specifications and retailer prices

From £871 GBP
$1,167 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: £871 GBP at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 3ct lab-grown cushion diamond

This 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 LG500144297 or 500144297. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.2°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500144297
Dimensions8.18 × 7.88 mm
L/W Ratio1.04
Girdle conditionFaceted
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
8.18 mm7.88 mm3.00 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG500144297
Side View
Table 66.0%Crown 35.2°Girdle: THK-VTKPavilion 35.8°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £871 GBP|Low: £835 GBP|High: £1,072 GBP|Avg: £926 GBP|-18.7%
September 23, 2026
B2C Jewels£871 GBP

3 data points across 1 retailer

1 retailer

B+
B2C Jewels
19735555 · Nov 1
£871 GBP
$1,167 USD
View

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B+
3.00ct Cushion
£871 GBP