Cushion|Lab Grown|IGI

3.06ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG678501299

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG678501299

Diamond specifications and retailer prices

From £533 GBP
As of October 30, 2026
Save £3,445 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,978 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678501299 or 678501299. Listed at 13 retailers as of October 28, 2026, with prices from £533 to £3,978, a £3,445 spread on the same certified stone. Brilliant Earth lists it at £3,978. 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

3.06
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678501299
Dimensions8.44 × 8.27 × 5.57 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm8.27 mm3.06 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678501299
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 67.4%

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: £3,978 GBP|Low: £444 GBP|High: £3,978 GBP|Avg: £1,155 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
October 30, 2026
Retailer 11£444 GBP
Retailer 2£533 GBP
Retailer 9£619 GBP
Retailer 7£642 GBP
Retailer 4£693 GBP
Retailer 12£721 GBP
Retailer 6£737 GBP
Retailer 13£907 GBP
Retailer 3£1,448 GBP
Retailer 8£1,639 GBP
Retailer 5£1,661 GBP
Retailer 10£1,750 GBP
Brilliant Earth£3,978 GBP

34 data points across 13 retailers

13 retailers£533 GBP to £3,978 GBP

Retailer 1
-
£444 GBP
$595 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£533 GBP
View
A
Retailer 3
-
£619 GBP
$830 USD
View
A
Retailer 4
-
£642 GBP
€819 EUR
View
A
Retailer 5
-
£693 GBP
$928 USD
View
A
Retailer 6
-
£721 GBP
$966 USD
View
A
Retailer 7
-
£737 GBP
View
A
Retailer 8
-
£907 GBP
$1,215 USD
View
Retailer 9
-
£1,448 GBP
$1,940 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
£1,639 GBP
View
B
Retailer 11
-
£1,661 GBP
$2,225 USD
View
Retailer 12
-
£1,750 GBP
$2,345 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
13025659A · Oct 28
£3,978 GBP
$5,330 USD
View
12 more retailers have this diamond
Prices start from £533 GBPSave up to £3,445 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
3.06ct Cushion
£533 GBP