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Radiant|Lab Grown|IGI

3.04ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG530292870

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

Certificate IGI LG530292870

Diamond specifications and retailer prices

From £1,718 GBP
$2,300 USD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: £1,718 GBP at Brilliant Earth
View at Brilliant Earth

About this 3.04ct lab-grown radiant diamond

This 3.04ct lab-grown radiant 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 LG530292870 or 530292870. Listed at 2 retailers as of November 6, 2026. 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 angle41.4°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530292870
Dimensions10.35 × 7.13 × 4.92 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.35 mm7.13 mm3.04 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530292870
Side View
Table 64.0%Crown 41.4°Girdle: MediumPavilion 36.5°Culet: NoneDepth 69.0%

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: £1,718 GBP|Low: £196 GBP|High: £1,726 GBP|Avg: £708 GBP|-0.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
September 7, 2026
Retailer 5£224 GBP
Retailer 3£391 GBP
Retailer 6£463 GBP
Retailer 8£549 GBP
Retailer 12£556 GBP
Retailer 7£557 GBP
Retailer 2£610 GBP
Retailer 10£802 GBP
Retailer 4£923 GBP
Retailer 11£1,148 GBP
Retailer 9£1,388 GBP
Brilliant Earth£1,718 GBP

74 data points across 12 retailers

2 retailers

Retailer 1
-
£1,388 GBP
Price last confirmed 62 days ago
Most Expensive
B
Brilliant Earth
11260278A · Nov 6
£1,718 GBP
$2,300 USD
View
1 more retailer has this diamond

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
3.04ct Radiant
£1,718 GBP