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Cushion|Lab Grown|IGI

3.08ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG685521911

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG685521911

Diamond specifications and retailer prices

From £533 GBP
$714 USD
As of October 30, 2026
Save £5,318 GBP (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £8,075 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG685521911 or 685521911. Listed at 16 retailers as of October 29, 2026, with a 998% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685521911
Dimensions8.42 × 8.35 × 5.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.42 mm8.35 mm3.08 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685521911
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 66.6%

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 30
Current: £4,359 GBP|Low: £533 GBP|High: £5,851 GBP|Avg: £1,731 GBP
Do Amore Diamonds
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 30, 2026
Retailer 9£533 GBP
Retailer 7£605 GBP
Retailer 13£702 GBP
Retailer 10£709 GBP
Retailer 8£781 GBP
Retailer 11£976 GBP
Retailer 3£1,072 GBP
Retailer 14£1,414 GBP
Retailer 12£1,458 GBP
Retailer 6£1,466 GBP
Retailer 4£1,956 GBP
Retailer 2£2,248 GBP
Retailer 15£2,469 GBP
Do Amore Diamonds£4,359 GBP
Retailer 5£5,851 GBP

24 data points across 15 retailers

16 retailers£533 GBP to £5,851 GBP

A
Cheapest Retailer
-
£533 GBP
$714 USD
Final sale: no returns
Retailer 2
-
£605 GBP
$811 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£702 GBP
$940 USD
View
A
Retailer 4
-
£709 GBP
View
A
Retailer 5
-
£781 GBP
$1,046 USD
View
A
Retailer 6
-
£976 GBP
View
A
Retailer 7
-
£1,072 GBP
$1,437 USD
View
A
Retailer 8
-
£1,414 GBP
$1,895 USD
View
A
Retailer 9
-
£1,458 GBP
ZAR 31,562 ZAR
View
Retailer 10
-
£1,466 GBP
A$3,021 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£1,956 GBP
View
B+
Retailer 12
-
£2,248 GBP
$3,012 USD
View
B+
Retailer 13
-
£2,469 GBP
View
B
Retailer 14
-
£4,359 GBP
$5,840 USD
View
B
Retailer 15
-
£5,851 GBP
$7,840 USD
View
Most Expensive
Do Amore Diamonds
23-685521911 · Oct 30
£8,075 GBP
$10,820 USD
View
Price under review
15 more retailers have this diamond
Prices start from £533 GBPSave up to £5,318 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
£533 GBP