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Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG804674466

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

Certificate IGI LG804674466

Diamond specifications and retailer prices

From £457 GBP
$612 USD
As of October 29, 2026
Save £3,163 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,620 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.05ct lab-grown cushion diamond

This 3.05ct 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 LG804674466 or 804674466. Listed at 19 retailers as of October 29, 2026, with prices from £457 to £3,620, a £3,163 spread on the same certified stone. Do Amore Diamonds lists it at £3,620. 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

3.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804674466
Dimensions8.34 × 7.97 × 5.11 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.34 mm7.97 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804674466
Side View
Table 61.0%Crown 40°Girdle: MED-VTKPavilion 32.8°Culet: NoneDepth 64.1%

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: £3,620 GBP|Low: £275 GBP|High: £3,620 GBP|Avg: £1,190 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
October 30, 2026
Retailer 12£275 GBP
Retailer 4£457 GBP
Retailer 18£582 GBP
Retailer 19£659 GBP
Retailer 3£713 GBP
Retailer 7£748 GBP
Retailer 20£765 GBP
Retailer 15£817 GBP
Retailer 13£874 GBP
Retailer 2£1,180 GBP
Retailer 21£1,211 GBP
Retailer 17£1,213 GBP
Retailer 11£1,376 GBP
Retailer 14£1,522 GBP
Retailer 8£1,628 GBP
Retailer 9£1,705 GBP
Retailer 6£1,893 GBP
Retailer 10£1,914 GBP
Retailer 5£1,948 GBP
Retailer 16£2,438 GBP
Do Amore Diamonds£3,620 GBP

23 data points across 21 retailers

19 retailers£457 GBP to £3,620 GBP

A
Cheapest Retailer
-
£457 GBP
$612 USD
Final sale: no returns
A
Retailer 2
-
£582 GBP
$780 USD
View
A
Retailer 3
-
£659 GBP
HK$6,900 HKD
View
A
Retailer 4
-
£713 GBP
$956 USD
View
A
Retailer 5
-
£748 GBP
$1,002 USD
View
A
Retailer 6
-
£765 GBP
$1,025 USD
View
A
Retailer 7
-
£817 GBP
€1,042 EUR
View
A
Retailer 8
-
£874 GBP
View
B+
Retailer 9
-
£1,180 GBP
A$2,432 AUD
View
B+
Retailer 10
-
£1,211 GBP
$1,623 USD
View
B+
Retailer 11
-
£1,213 GBP
ZAR 26,256 ZAR
View
B+
Retailer 12
-
£1,628 GBP
$2,182 USD
View
Retailer 13
-
£1,697 GBP
A$3,498 AUD
View
Price last confirmed 118 days ago
B+
Retailer 14
-
£1,705 GBP
$2,284 USD
View
B
Retailer 15
-
£1,893 GBP
$2,537 USD
View
B
Retailer 16
-
£1,914 GBP
SGD 3,466 SGD
View
Retailer 17
-
£1,948 GBP
$2,610 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
£2,438 GBP
View
Most Expensive
B
Do Amore Diamonds
27-082183D0F · Oct 29
£3,620 GBP
$4,850 USD
View
18 more retailers have this diamond
Prices start from £457 GBPSave up to £3,163 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
3.05ct Cushion
£457 GBP