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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG807681936

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807681936

Diamond specifications and retailer prices

From £520 GBP
$693 USD
As of October 27, 2026
Save £1,819 GBP (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,339 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 3.09ct lab-grown round diamond

This 3.09ct 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 LG807681936 or 807681936. Listed at 21 retailers as of October 25, 2026, with prices from £520 to £2,339, a £1,819 spread on the same certified stone. MOH London lists it at £2,339. 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

3.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807681936
Dimensions9.40 × 9.38 × 5.73 mm
L/W Ratio1.00
Girdle conditionFaceted
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
9.40 mm9.38 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807681936
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.0%

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 27
Current: £2,339 GBP|Low: £535 GBP|High: £2,364 GBP|Avg: £1,127 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3£535 GBP
Retailer 9£555 GBP
Retailer 11£785 GBP
Retailer 8£813 GBP
Retailer 5£815 GBP
Retailer 2£883 GBP
Retailer 6£1,260 GBP
Retailer 4£1,288 GBP
Retailer 7£1,416 GBP
Retailer 10£1,892 GBP
MOH London£2,339 GBP

43 data points across 11 retailers

21 retailers£520 GBP to £2,339 GBP

Retailer 1
-
£459 GBP
$611 USD
Price last confirmed 22 days ago
Retailer 2
-
£478 GBP
$637 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£520 GBP
$693 USD
View
A
Retailer 4
-
£535 GBP
$713 USD
View
Final sale: no returns
Retailer 5
-
£547 GBP
$728 USD
View
Price last confirmed 38 days ago
Retailer 6
-
£555 GBP
$739 USD
View
Price last confirmed 13 days ago
Retailer 7
-
£555 GBP
$739 USD
View
Price last confirmed 27 days ago
A
Retailer 8
-
£785 GBP
$1,046 USD
View
A
Retailer 9
-
£813 GBP
$1,082 USD
View
A
Retailer 10
-
£815 GBP
$1,085 USD
View
A
Retailer 11
-
£883 GBP
View
Retailer 12
-
£1,260 GBP
A$2,581 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
-
£1,288 GBP
ZAR 27,701 ZAR
View
A
Retailer 14
-
£1,416 GBP
$1,886 USD
View
Retailer 15
-
£1,559 GBP
$2,076 USD
View
Price last confirmed 22 days ago
Retailer 16
-
£1,559 GBP
$2,076 USD
View
Price last confirmed 39 days ago
A
Retailer 17
-
£1,592 GBP
$2,120 USD
View
A
Retailer 18
-
£1,892 GBP
$2,520 USD
View
A
Retailer 19
-
£1,914 GBP
$2,549 USD
View
A
Retailer 20
-
£1,943 GBP
$2,587 USD
View
Most Expensive
B+
MOH London
LG807681936 · Oct 25
£2,339 GBP
View
20 more retailers have this diamond
Prices start from £520 GBPSave up to £1,819 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
3.09ct Round
£520 GBP