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Round|Lab Grown|IGI

3.06ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG741591086

Shape and cutting style on the report: Round brilliant

Certificate IGI LG741591086

Diamond specifications and retailer prices

From £474 GBP
$631 USD
As of October 29, 2026
Save £5,594 GBP (92%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £6,068 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.06ct lab-grown round diamond

This 3.06ct lab-grown round 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 LG741591086 or 741591086. Listed at 23 retailers as of October 29, 2026, with prices from £474 to £6,068, a £5,594 spread on the same certified stone. Brilliant Earth lists it at £6,068. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741591086
Dimensions9.33 × 9.22 × 5.78 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.33 mm9.22 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741591086
Side View
Table 56.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: Oct 29
Current: £6,068 GBP|Low: £455 GBP|High: £6,068 GBP|Avg: £1,479 GBP
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 30, 2026
Retailer 18£474 GBP
Retailer 17£515 GBP
Retailer 3£550 GBP
Retailer 10£550 GBP
Retailer 2£672 GBP
Retailer 7£826 GBP
Retailer 16£826 GBP
Retailer 15£870 GBP
Retailer 12£894 GBP
Retailer 11£918 GBP
Retailer 14£1,276 GBP
Retailer 6£1,403 GBP
Retailer 4£1,545 GBP
Retailer 8£1,564 GBP
Retailer 9£1,771 GBP
Retailer 13£2,327 GBP
Retailer 5£4,292 GBP
Brilliant Earth£6,068 GBP

27 data points across 18 retailers

23 retailers£474 GBP to £6,068 GBP

A
Cheapest Retailer
-
£474 GBP
$631 USD
A
Retailer 2
-
£515 GBP
$686 USD
View
A
Retailer 3
-
£550 GBP
$732 USD
View
Retailer 4
-
£550 GBP
$732 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
£672 GBP
View
A
Retailer 6
-
£826 GBP
$1,100 USD
View
A
Retailer 7
-
£826 GBP
$1,100 USD
View
A
Retailer 8
-
£837 GBP
$1,114 USD
View
A
Retailer 9
-
£870 GBP
$1,159 USD
View
Final sale: no returns
A
Retailer 10
-
£894 GBP
€1,134 EUR
View
A
Retailer 11
-
£918 GBP
View
A
Retailer 12
-
£1,276 GBP
ZAR 27,443 ZAR
View
A
Retailer 13
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£1,389 GBP
$1,850 USD
View
A
Retailer 14
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£1,403 GBP
$1,869 USD
View
A
Retailer 15
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£1,545 GBP
$2,057 USD
View
A
Retailer 16
-
£1,564 GBP
$2,083 USD
View
A
Retailer 17
-
£1,771 GBP
$2,359 USD
View
A
Retailer 18
-
£1,874 GBP
$2,496 USD
View
A
Retailer 19
-
£1,896 GBP
$2,525 USD
View
A
Retailer 20
-
£1,929 GBP
$2,568 USD
View
B+
Retailer 21
-
£2,327 GBP
View
Retailer 22
-
£4,292 GBP
$5,715 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
16922734A · Oct 29
£6,068 GBP
$8,080 USD
View
22 more retailers have this diamond
Prices start from £474 GBPSave up to £5,594 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 Round
£474 GBP