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Radiant|Lab Grown|IGI

3.03ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG542230647

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG542230647

Diamond specifications and retailer prices

From £1,554 GBP
$2,080 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: £1,554 GBP at Brilliant Earth
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 Brilliant Earth

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant 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 LG542230647 or 542230647. Listed at a single retailer as of November 6, 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

3.03
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542230647
Dimensions9.90 × 7.06 × 4.84 mm
L/W Ratio1.40
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
9.90 mm7.06 mm3.03 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542230647
Side View
Table 67.5%Crown 45.8°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 68.6%

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: £1,554 GBP|Low: £1,547 GBP|High: £18,470 GBP|Avg: £7,886 GBP|-73.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 19, 2026
Brilliant Earth£1,554 GBP
Retailer 10£5,534 GBP
Retailer 5£5,811 GBP
Retailer 2£6,108 GBP
Retailer 7£6,287 GBP
Retailer 8£6,492 GBP
Retailer 3£7,309 GBP
Retailer 6£7,654 GBP
Retailer 9£8,150 GBP
Retailer 4£16,543 GBP

72 data points across 10 retailers

1 retailer

B
Brilliant Earth
19762549A · Nov 6
£1,554 GBP
$2,080 USD
View

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B
3.03ct Radiant
£1,554 GBP