CaratHunter
Plans
Cushion|Lab Grown|IGI

3.08ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG750508231

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG750508231

Diamond specifications and retailer prices

From £548 GBP
$734 USD
As of October 24, 2026
Save £3,744 GBP (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,291 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750508231 or 750508231. Listed at 20 retailers as of October 24, 2026, with prices from £548 to £4,291, a £3,744 spread on the same certified stone. Brilliant Earth lists it at £4,291. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750508231
Dimensions9.72 × 7.85 × 4.84 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizeLong Faceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.72 mm7.85 mm3.08 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750508231
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 40°Culet: LONDepth 61.7%

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 24
Current: £4,291 GBP|Low: £548 GBP|High: £4,866 GBP|Avg: £1,379 GBP|-11.8%
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
Retailer 18
Retailer 19
October 30, 2026
Retailer 17£548 GBP
Retailer 3£568 GBP
Retailer 19£702 GBP
Retailer 9£796 GBP
Retailer 4£813 GBP
Retailer 13£893 GBP
Retailer 12£907 GBP
Retailer 8£1,031 GBP
Retailer 15£1,255 GBP
Retailer 2£1,282 GBP
Retailer 18£1,296 GBP
Retailer 14£1,318 GBP
Retailer 7£1,763 GBP
Retailer 5£1,782 GBP
Retailer 11£1,936 GBP
Retailer 6£1,958 GBP
Retailer 10£1,976 GBP
Retailer 16£2,394 GBP
Brilliant Earth£4,291 GBP

38 data points across 19 retailers

20 retailers£548 GBP to £4,291 GBP

A
Cheapest Retailer
-
£548 GBP
$734 USD
Final sale: no returns
Retailer 2
-
£568 GBP
$761 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£702 GBP
$940 USD
View
A
Retailer 4
-
£796 GBP
$1,067 USD
View
A
Retailer 5
-
£813 GBP
$1,090 USD
View
A
Retailer 6
-
£893 GBP
€1,139 EUR
View
A
Retailer 7
-
£907 GBP
View
A
Retailer 8
-
£1,031 GBP
$1,382 USD
View
B+
Retailer 9
-
£1,255 GBP
A$2,588 AUD
View
Retailer 10
-
£1,282 GBP
A$2,643 AUD
View
B+
Retailer 11
-
£1,296 GBP
$1,737 USD
View
B+
Retailer 12
-
£1,318 GBP
ZAR 28,526 ZAR
View
B+
Retailer 13
-
£1,763 GBP
View
Retailer 14
-
£1,782 GBP
A$3,674 AUD
View
Price last confirmed 22 days ago
B+
Retailer 15
-
£1,796 GBP
$2,407 USD
View
B
Retailer 16
-
£1,936 GBP
$2,594 USD
View
B
Retailer 17
-
£1,958 GBP
$2,624 USD
View
B
Retailer 18
-
£1,976 GBP
$2,647 USD
View
B
Retailer 19
-
£2,394 GBP
View
Most Expensive
B
Brilliant Earth
16578449A · Oct 30
£4,291 GBP
$5,750 USD
View
19 more retailers have this diamond
Prices start from £548 GBPSave up to £3,744 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 Cushion
£548 GBP