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Radiant|Lab Grown|IGI

3.06ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG742507814

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

Certificate IGI LG742507814

Diamond specifications and retailer prices

From £1,291 GBP
$1,731 USD
As of November 2, 2026
Save £2,863 GBP (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,153 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.06ct lab-grown radiant diamond

This 3.06ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG742507814 or 742507814. Listed at 9 retailers as of November 1, 2026, with prices from £1,291 to £4,153, a £2,863 spread on the same certified stone. Rare Carat lists it at £4,153. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.06
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle54.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742507814
Dimensions7.42 × 7.42 × 4.88 mm
L/W Ratio1.00
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
7.42 mm7.42 mm3.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742507814
Side View
Table 69.0%Crown 54.3°Girdle: MediumPavilion 39.4°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £4,153 GBP|Low: £1,236 GBP|High: £4,153 GBP|Avg: £2,053 GBP|+0.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6£1,291 GBP
Retailer 2£1,578 GBP
Retailer 4£1,771 GBP
Retailer 5£1,784 GBP
Retailer 3£3,596 GBP
Rare Carat£4,153 GBP

41 data points across 6 retailers

9 retailers£1,291 GBP to £4,153 GBP

A
Cheapest Retailer
-
£1,291 GBP
$1,731 USD
A
Retailer 2
-
£1,578 GBP
View
A
Retailer 3
-
£1,771 GBP
$2,375 USD
View
A
Retailer 4
-
£1,784 GBP
€2,279 EUR
View
A
Retailer 5
-
£2,309 GBP
$3,097 USD
View
B+
Retailer 6
-
£3,596 GBP
View
B
Retailer 7
-
£3,929 GBP
$5,270 USD
View
B
Retailer 8
-
£4,064 GBP
$5,450 USD
View
Most Expensive
B
Rare Carat
1G742507814 · Nov 1
£4,153 GBP
$5,570 USD
View
8 more retailers have this diamond
Prices start from £1,291 GBPSave up to £2,863 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
3.06ct Radiant
£1,291 GBP