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Round|Lab Grown|IGI

3.06ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG684511791

Shape and cutting style on the report: Round brilliant

Certificate IGI LG684511791

Diamond specifications and retailer prices

From £530 GBP
$706 USD
As of October 29, 2026
Save £5,537 GBP (91%) vs most expensive(unlock to see where)
25 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 LG684511791 or 684511791. Listed at 25 retailers as of October 29, 2026, with prices from £530 to £6,068, a £5,537 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 angle34.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG684511791
Dimensions9.32 × 9.34 × 5.72 mm
L/W Ratio1.00
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
9.32 mm9.34 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG684511791
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

Caratlytics Score

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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: £481 GBP|High: £6,068 GBP|Avg: £1,497 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 11£530 GBP
Retailer 7£550 GBP
Retailer 12£826 GBP
Retailer 15£826 GBP
Retailer 5£837 GBP
Retailer 8£894 GBP
Retailer 2£918 GBP
Retailer 10£1,276 GBP
Retailer 6£1,389 GBP
Retailer 14£1,403 GBP
Retailer 3£1,564 GBP
Retailer 4£1,771 GBP
Retailer 9£2,327 GBP
Retailer 13£4,292 GBP
Brilliant Earth£6,068 GBP

40 data points across 15 retailers

25 retailers£530 GBP to £6,068 GBP

Retailer 1
-
£474 GBP
$631 USD
Price last confirmed 37 days ago
Retailer 2
-
£474 GBP
$631 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£515 GBP
$686 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
£530 GBP
$706 USD
View
Final sale: no returns
Retailer 5
-
£542 GBP
$722 USD
View
Price last confirmed 34 days ago
Retailer 6
-
£550 GBP
$732 USD
View
Price last confirmed 17 days ago
Retailer 7
-
£550 GBP
$732 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
£826 GBP
$1,100 USD
View
A
Retailer 9
-
£826 GBP
$1,100 USD
View
A
Retailer 10
-
£837 GBP
$1,114 USD
View
A
Retailer 11
-
£894 GBP
€1,134 EUR
View
A
Retailer 12
-
£918 GBP
View
A
Retailer 13
-
£1,276 GBP
ZAR 27,443 ZAR
View
A
Retailer 14
-
£1,389 GBP
$1,850 USD
View
A
Retailer 15
-
£1,403 GBP
$1,869 USD
View
Retailer 16
-
£1,545 GBP
$2,057 USD
View
Price last confirmed 39 days ago
Retailer 17
-
£1,545 GBP
$2,057 USD
View
Price last confirmed 22 days ago
A
Retailer 18
-
£1,564 GBP
$2,083 USD
View
A
Retailer 19
-
£1,771 GBP
$2,359 USD
View
A
Retailer 20
-
£1,874 GBP
$2,496 USD
View
A
Retailer 21
-
£1,896 GBP
$2,525 USD
View
A
Retailer 22
-
£1,929 GBP
$2,568 USD
View
B+
Retailer 23
-
£2,327 GBP
View
Retailer 24
-
£4,292 GBP
$5,715 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
13438155A · Oct 29
£6,068 GBP
$8,080 USD
View
24 more retailers have this diamond
Prices start from £530 GBPSave up to £5,537 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
£530 GBP