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Cushion|Lab Grown|IGI

3.08ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG840629493

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629493

Diamond specifications and retailer prices

From £415 GBP
$556 USD
As of October 29, 2026
Save £3,735 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,150 GBP at Brilliant Earth · As of October 28, 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 LG840629493 or 840629493. Listed at 16 retailers as of October 28, 2026, with prices from £415 to £4,150, a £3,735 spread on the same certified stone. Brilliant Earth lists it at £4,150. 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 angle34°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629493
Dimensions10.33 × 7.67 × 5.04 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.33 mm7.67 mm3.08 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629493
Side View
Table 62.0%Crown 34°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 65.7%

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 29
Current: £4,150 GBP|Low: £415 GBP|High: £4,150 GBP|Avg: £1,455 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
Retailer 16
October 30, 2026
Retailer 14£415 GBP
Retailer 16£563 GBP
Retailer 9£581 GBP
Retailer 7£716 GBP
Retailer 4£736 GBP
Retailer 15£766 GBP
Retailer 13£770 GBP
Retailer 12£791 GBP
Retailer 10£1,073 GBP
Retailer 5£1,103 GBP
Retailer 2£1,720 GBP
Retailer 6£1,735 GBP
Retailer 8£1,758 GBP
Retailer 3£2,131 GBP
Retailer 11£3,291 GBP
Brilliant Earth£4,150 GBP

3 data points across 16 retailers

16 retailers£415 GBP to £4,150 GBP

A
Cheapest Retailer
-
£415 GBP
$556 USD
Final sale: no returns
A
Retailer 2
-
£563 GBP
$755 USD
View
A
Retailer 3
-
£581 GBP
View
A
Retailer 4
-
£716 GBP
$959 USD
View
A
Retailer 5
-
£736 GBP
$986 USD
View
A
Retailer 6
-
£766 GBP
€977 EUR
View
A
Retailer 7
-
£770 GBP
$1,032 USD
View
A
Retailer 8
-
£791 GBP
View
A
Retailer 9
-
£1,073 GBP
A$2,211 AUD
View
A
Retailer 10
-
£1,103 GBP
ZAR 23,873 ZAR
View
B+
Retailer 11
-
£1,720 GBP
$2,305 USD
View
B+
Retailer 12
-
£1,735 GBP
$2,325 USD
View
B+
Retailer 13
-
£1,758 GBP
SGD 3,183 SGD
View
B
Retailer 14
-
£2,131 GBP
View
B
Retailer 15
-
£3,291 GBP
$4,410 USD
View
Most Expensive
B
Brilliant Earth
22335502Y · Oct 28
£4,150 GBP
$5,560 USD
View
15 more retailers have this diamond
Prices start from £415 GBPSave up to £3,735 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
£415 GBP