Round|Lab Grown|IGI

3.08ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG688517863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG688517863

Diamond specifications and retailer prices

From £774 GBP
$1,037 USD
As of October 29, 2026
Save £4,697 GBP (86%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £5,471 GBP at Brilliant Earth · As of October 30, 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 LG688517863 or 688517863. Listed at 26 retailers as of October 29, 2026, with prices from £774 to £5,471, a £4,697 spread on the same certified stone. Brilliant Earth lists it at £5,471. 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 angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG688517863
Dimensions9.38 × 9.41 × 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
9.38 mm9.41 mm3.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG688517863
Side View
Table 59.0%Crown 35°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £5,471 GBP|Low: £378 GBP|High: £6,068 GBP|Avg: £1,507 GBP|-9.8%
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
October 31, 2026
Retailer 5£549 GBP
Retailer 12£774 GBP
Retailer 15£827 GBP
Retailer 13£828 GBP
Retailer 6£835 GBP
Retailer 8£874 GBP
Retailer 9£894 GBP
Retailer 2£1,263 GBP
Retailer 11£1,276 GBP
Retailer 7£1,389 GBP
Retailer 3£1,573 GBP
Retailer 4£1,772 GBP
Retailer 10£2,327 GBP
Retailer 14£4,291 GBP
Brilliant Earth£5,471 GBP

41 data points across 15 retailers

26 retailers£774 GBP to £5,471 GBP

Retailer 1
-
£474 GBP
$635 USD
Price last confirmed 38 days ago
Retailer 2
-
£474 GBP
$635 USD
View
Price last confirmed 20 days ago
Retailer 3
-
£516 GBP
$691 USD
View
Price last confirmed 37 days ago
Retailer 4
-
£542 GBP
$726 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£549 GBP
$736 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£549 GBP
$736 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
£774 GBP
$1,037 USD
View
Final sale: no returns
A
Retailer 8
-
£827 GBP
$1,108 USD
View
A
Retailer 9
-
£828 GBP
$1,110 USD
View
A
Retailer 10
-
£835 GBP
$1,119 USD
View
A
Retailer 11
-
£874 GBP
View
A
Retailer 12
-
£894 GBP
€1,141 EUR
View
A
Retailer 13
-
£1,263 GBP
$1,692 USD
View
A
Retailer 14
-
£1,276 GBP
ZAR 27,615 ZAR
View
A
Retailer 15
-
£1,389 GBP
$1,862 USD
View
A
Retailer 16
-
£1,404 GBP
$1,881 USD
View
Retailer 17
-
£1,545 GBP
$2,070 USD
View
Price last confirmed 39 days ago
Retailer 18
-
£1,545 GBP
$2,070 USD
View
Price last confirmed 23 days ago
A
Retailer 19
-
£1,573 GBP
$2,107 USD
View
A
Retailer 20
-
£1,772 GBP
$2,374 USD
View
A
Retailer 21
-
£1,875 GBP
$2,512 USD
View
A
Retailer 22
-
£1,896 GBP
$2,541 USD
View
A
Retailer 23
-
£1,926 GBP
$2,581 USD
View
B+
Retailer 24
-
£2,327 GBP
View
Retailer 25
-
£4,291 GBP
$5,750 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
14115338A · Oct 30
£5,471 GBP
$7,330 USD
View
25 more retailers have this diamond
Prices start from £774 GBPSave up to £4,697 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
£774 GBP