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Round|Lab Grown|IGI

3.08ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG680571003

Shape and cutting style on the report: Round brilliant

Certificate IGI LG680571003

Diamond specifications and retailer prices

From £779 GBP
$1,037 USD
As of October 29, 2026
Save £5,326 GBP (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £6,105 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown round diamond

This 3.08ct 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 LG680571003 or 680571003. Listed at 25 retailers as of October 29, 2026, with prices from £779 to £6,105, a £5,326 spread on the same certified stone. Brilliant Earth lists it at £6,105. 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

3.08
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680571003
Dimensions9.39 × 9.42 × 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
9.39 mm9.42 mm3.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680571003
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.8%

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: Oct 29
Current: £6,105 GBP|Low: £380 GBP|High: £6,105 GBP|Avg: £1,441 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
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Retailer 17
October 30, 2026
Retailer 3£477 GBP
Retailer 6£553 GBP
Retailer 7£553 GBP
Retailer 12£779 GBP
Retailer 17£832 GBP
Retailer 13£834 GBP
Retailer 8£840 GBP
Retailer 2£880 GBP
Retailer 10£900 GBP
Retailer 11£1,284 GBP
Retailer 9£1,398 GBP
Retailer 16£1,412 GBP
Retailer 4£1,582 GBP
Retailer 5£1,783 GBP
Retailer 14£2,332 GBP
Retailer 15£4,318 GBP
Brilliant Earth£6,105 GBP

41 data points across 17 retailers

25 retailers£779 GBP to £6,105 GBP

Retailer 1
-
£477 GBP
$635 USD
Price last confirmed 19 days ago
Retailer 2
-
£477 GBP
$635 USD
View
Price last confirmed 37 days ago
Retailer 3
-
£519 GBP
$691 USD
View
Price last confirmed 36 days ago
Retailer 4
-
£545 GBP
$726 USD
View
Price last confirmed 34 days ago
Retailer 5
-
£553 GBP
$736 USD
View
Price last confirmed 27 days ago
Retailer 6
-
£553 GBP
$736 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£779 GBP
$1,037 USD
View
Final sale: no returns
A
Retailer 8
-
£832 GBP
$1,108 USD
View
A
Retailer 9
-
£834 GBP
$1,110 USD
View
A
Retailer 10
-
£840 GBP
$1,119 USD
View
A
Retailer 11
-
£880 GBP
View
A
Retailer 12
-
£900 GBP
€1,141 EUR
View
A
Retailer 13
-
£1,284 GBP
ZAR 27,615 ZAR
View
A
Retailer 14
-
£1,398 GBP
$1,862 USD
View
A
Retailer 15
-
£1,412 GBP
$1,881 USD
View
Retailer 16
-
£1,554 GBP
$2,070 USD
View
Price last confirmed 38 days ago
Retailer 17
-
£1,554 GBP
$2,070 USD
View
Price last confirmed 22 days ago
A
Retailer 18
-
£1,582 GBP
$2,107 USD
View
A
Retailer 19
-
£1,783 GBP
$2,374 USD
View
A
Retailer 20
-
£1,886 GBP
$2,512 USD
View
A
Retailer 21
-
£1,908 GBP
$2,541 USD
View
A
Retailer 22
-
£1,938 GBP
$2,581 USD
View
B+
Retailer 23
-
£2,332 GBP
View
Retailer 24
-
£4,318 GBP
$5,750 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
14332673A · Oct 29
£6,105 GBP
$8,130 USD
View
24 more retailers have this diamond
Prices start from £779 GBPSave up to £5,326 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
3.08ct Round
£779 GBP