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Cushion|Lab Grown|IGI

3.08ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG811638019

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811638019

Diamond specifications and retailer prices

From £407 GBP
$546 USD
As of October 29, 2026
Save £3,399 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,806 GBP at Brilliant Earth · As of October 29, 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 LG811638019 or 811638019. Listed at 16 retailers as of October 29, 2026, with prices from £407 to £3,806, a £3,399 spread on the same certified stone. Brilliant Earth lists it at £3,806. 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 angle35.3°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638019
Dimensions9.72 × 7.58 × 5.01 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.72 mm7.58 mm3.08 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638019
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 66.1%

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: £3,806 GBP|Low: £407 GBP|High: £4,262 GBP|Avg: £1,484 GBP|-10.7%
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
October 30, 2026
Retailer 3£407 GBP
Retailer 4£452 GBP
Retailer 2£571 GBP
Retailer 15£683 GBP
Retailer 5£705 GBP
Retailer 12£752 GBP
Retailer 9£769 GBP
Retailer 11£777 GBP
Retailer 10£1,054 GBP
Retailer 14£1,084 GBP
Retailer 7£1,456 GBP
Retailer 16£1,692 GBP
Retailer 8£1,708 GBP
Retailer 6£1,732 GBP
Retailer 13£2,095 GBP
Retailer 17£3,239 GBP
Brilliant Earth£3,806 GBP

32 data points across 17 retailers

16 retailers£407 GBP to £3,806 GBP

A
Cheapest Retailer
-
£407 GBP
$546 USD
Final sale: no returns
A
Retailer 2
-
£571 GBP
View
A
Retailer 3
-
£683 GBP
$915 USD
View
A
Retailer 4
-
£705 GBP
$944 USD
View
A
Retailer 5
-
£752 GBP
€960 EUR
View
A
Retailer 6
-
£769 GBP
$1,031 USD
View
A
Retailer 7
-
£777 GBP
View
A
Retailer 8
-
£1,054 GBP
A$2,173 AUD
View
A
Retailer 9
-
£1,084 GBP
ZAR 23,468 ZAR
View
Retailer 10
-
£1,456 GBP
View
Price last confirmed 21 days ago
B+
Retailer 11
-
£1,692 GBP
$2,267 USD
View
B+
Retailer 12
-
£1,708 GBP
$2,289 USD
View
B+
Retailer 13
-
£1,732 GBP
SGD 3,136 SGD
View
B+
Retailer 14
-
£2,095 GBP
View
B
Retailer 15
-
£3,239 GBP
$4,340 USD
View
Most Expensive
B
Brilliant Earth
21068215Y · Oct 29
£3,806 GBP
$5,100 USD
View
15 more retailers have this diamond
Prices start from £407 GBPSave up to £3,399 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
£407 GBP