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Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG813635779

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813635779

Diamond specifications and retailer prices

From £579 GBP
$776 USD
As of October 29, 2026
Save £4,690 GBP (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,269 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 LG813635779 or 813635779. Listed at 18 retailers as of October 29, 2026, with prices from £579 to £5,269, a £4,690 spread on the same certified stone. Do Amore Diamonds lists it at £5,269. 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 angle35.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813635779
Dimensions9.95 × 7.44 × 5.17 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.95 mm7.44 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813635779
Side View
Table 64.0%Crown 35.6°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 69.5%

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: £810 GBP|Low: £579 GBP|High: £4,590 GBP|Avg: £1,377 GBP|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 3£579 GBP
Retailer 10£600 GBP
Retailer 9£698 GBP
Retailer 1£810 GBP
Retailer 2£881 GBP
Retailer 5£1,015 GBP
Retailer 7£1,494 GBP
Retailer 6£1,537 GBP
Retailer 11£1,836 GBP
Retailer 12£2,045 GBP
Retailer 4£2,059 GBP
Retailer 8£2,496 GBP

44 data points across 12 retailers

18 retailers£579 GBP to £5,269 GBP

A
Cheapest Retailer
-
£579 GBP
$776 USD
Final sale: no returns
Retailer 2
-
£600 GBP
$804 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£698 GBP
$935 USD
View
A
Retailer 4
-
£788 GBP
$1,056 USD
View
A
Retailer 5
-
£810 GBP
View
A
Retailer 6
-
£846 GBP
$1,134 USD
View
A
Retailer 7
-
£881 GBP
$1,181 USD
View
A
Retailer 8
-
£1,015 GBP
View
Retailer 9
-
£1,494 GBP
A$3,080 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£1,537 GBP
ZAR 33,278 ZAR
View
Retailer 11
-
£1,836 GBP
A$3,784 AUD
View
Price last confirmed 22 days ago
B
Retailer 12
-
£2,045 GBP
$2,740 USD
View
B
Retailer 13
-
£2,048 GBP
$2,744 USD
View
B
Retailer 14
-
£2,059 GBP
View
B
Retailer 15
-
£2,368 GBP
$3,172 USD
View
Retailer 16
-
£2,496 GBP
View
Price last confirmed 12 days ago
B
Retailer 17
-
£4,590 GBP
$6,150 USD
View
Most Expensive
B
Do Amore Diamonds
23-813635779 · Oct 29
£5,269 GBP
$7,060 USD
View
17 more retailers have this diamond
Prices start from £579 GBPSave up to £4,690 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
£579 GBP