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Round|Lab Grown|IGI

3.08ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG689526180

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689526180

Diamond specifications and retailer prices

From £852 GBP
$1,142 USD
As of October 30, 2026
Save £4,708 GBP (85%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £5,560 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 LG689526180 or 689526180. Listed at 27 retailers as of October 30, 2026, with prices from £852 to £5,560, a £4,708 spread on the same certified stone. Brilliant Earth lists it at £5,560. 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 angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689526180
Dimensions9.37 × 9.33 × 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
9.37 mm9.33 mm3.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689526180
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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 30
Current: £5,560 GBP|Low: £548 GBP|High: £6,217 GBP|Avg: £1,587 GBP|-10.6%
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
October 31, 2026
Retailer 8£568 GBP
Retailer 6£852 GBP
Retailer 3£855 GBP
Retailer 14£855 GBP
Retailer 11£902 GBP
Retailer 12£924 GBP
Retailer 10£928 GBP
Retailer 9£1,282 GBP
Retailer 2£1,307 GBP
Retailer 13£1,318 GBP
Retailer 7£1,437 GBP
Retailer 4£1,578 GBP
Retailer 5£1,832 GBP
Retailer 15£2,394 GBP
Retailer 16£4,295 GBP
Brilliant Earth£5,560 GBP

40 data points across 16 retailers

27 retailers£852 GBP to £5,560 GBP

Retailer 1
-
£490 GBP
$656 USD
Price last confirmed 38 days ago
Retailer 2
-
£490 GBP
$656 USD
View
Price last confirmed 20 days ago
Retailer 3
-
£532 GBP
$713 USD
View
Price last confirmed 37 days ago
Retailer 4
-
£560 GBP
$750 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£568 GBP
$761 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£568 GBP
$761 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
£852 GBP
$1,142 USD
View
A
Retailer 8
-
£855 GBP
$1,145 USD
View
A
Retailer 9
-
£855 GBP
$1,145 USD
View
A
Retailer 10
-
£902 GBP
View
A
Retailer 11
-
£924 GBP
€1,179 EUR
View
A
Retailer 12
-
£928 GBP
$1,244 USD
View
Final sale: no returns
A
Retailer 13
-
£1,282 GBP
A$2,643 AUD
View
A
Retailer 14
-
£1,307 GBP
$1,751 USD
View
A
Retailer 15
-
£1,318 GBP
ZAR 28,526 ZAR
View
A
Retailer 16
-
£1,437 GBP
$1,926 USD
View
A
Retailer 17
-
£1,450 GBP
$1,943 USD
View
A
Retailer 18
-
£1,578 GBP
$2,114 USD
View
Retailer 19
-
£1,596 GBP
$2,138 USD
View
Price last confirmed 39 days ago
Retailer 20
-
£1,596 GBP
$2,138 USD
View
Price last confirmed 23 days ago
A
Retailer 21
-
£1,832 GBP
$2,455 USD
View
A
Retailer 22
-
£1,936 GBP
$2,594 USD
View
A
Retailer 23
-
£1,958 GBP
$2,624 USD
View
A
Retailer 24
-
£1,976 GBP
$2,647 USD
View
B+
Retailer 25
-
£2,394 GBP
View
Retailer 26
-
£4,295 GBP
$5,755 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
17664192A · Oct 30
£5,560 GBP
$7,450 USD
View
26 more retailers have this diamond
Prices start from £852 GBPSave up to £4,708 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
£852 GBP