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Round|Lab Grown|IGI

3.06ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG776689765

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776689765

Diamond specifications and retailer prices

From £853 GBP
$1,136 USD
As of October 29, 2026
Save £5,327 GBP (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £6,180 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 LG776689765 or 776689765. Listed at 25 retailers as of October 29, 2026, with prices from £853 to £6,180, a £5,327 spread on the same certified stone. Brilliant Earth lists it at £6,180. 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°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776689765
Dimensions9.28 × 9.34 × 5.77 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
9.28 mm9.34 mm3.06 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776689765
Side View
Table 56.0%Crown 35°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 62.0%

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: £6,180 GBP|Low: £390 GBP|High: £6,233 GBP|Avg: £1,455 GBP|-0.8%
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 3£490 GBP
Retailer 6£568 GBP
Retailer 7£568 GBP
Retailer 8£853 GBP
Retailer 17£855 GBP
Retailer 14£856 GBP
Retailer 2£904 GBP
Retailer 10£923 GBP
Retailer 13£966 GBP
Retailer 12£1,318 GBP
Retailer 9£1,437 GBP
Retailer 16£1,449 GBP
Retailer 4£1,569 GBP
Retailer 5£1,832 GBP
Retailer 11£2,403 GBP
Retailer 15£4,292 GBP
Brilliant Earth£6,180 GBP

41 data points across 17 retailers

25 retailers£853 GBP to £6,180 GBP

Retailer 1
-
£490 GBP
$652 USD
Price last confirmed 19 days ago
Retailer 2
-
£490 GBP
$652 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£532 GBP
$709 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£559 GBP
$745 USD
View
Price last confirmed 34 days ago
Retailer 5
-
£568 GBP
$756 USD
View
Price last confirmed 27 days ago
Retailer 6
-
£568 GBP
$756 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£853 GBP
$1,136 USD
View
A
Retailer 8
-
£855 GBP
$1,138 USD
View
A
Retailer 9
-
£856 GBP
$1,140 USD
View
A
Retailer 10
-
£904 GBP
View
A
Retailer 11
-
£923 GBP
€1,171 EUR
View
A
Retailer 12
-
£966 GBP
$1,287 USD
View
Final sale: no returns
A
Retailer 13
-
£1,318 GBP
ZAR 28,348 ZAR
View
A
Retailer 14
-
£1,437 GBP
$1,913 USD
View
A
Retailer 15
-
£1,449 GBP
$1,930 USD
View
A
Retailer 16
-
£1,569 GBP
$2,089 USD
View
Retailer 17
-
£1,596 GBP
$2,125 USD
View
Price last confirmed 39 days ago
Retailer 18
-
£1,596 GBP
$2,125 USD
View
Price last confirmed 22 days ago
A
Retailer 19
-
£1,832 GBP
$2,440 USD
View
A
Retailer 20
-
£1,936 GBP
$2,578 USD
View
A
Retailer 21
-
£1,958 GBP
$2,608 USD
View
A
Retailer 22
-
£1,978 GBP
$2,634 USD
View
B+
Retailer 23
-
£2,403 GBP
View
Retailer 24
-
£4,292 GBP
$5,715 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
18049197A · Oct 29
£6,180 GBP
$8,230 USD
View
24 more retailers have this diamond
Prices start from £853 GBPSave up to £5,327 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
£853 GBP