Cushion|Lab Grown|IGI

3.04ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG800612221

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG800612221

Diamond specifications and retailer prices

From £429 GBP
$575 USD
As of October 29, 2026
Save £3,676 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,105 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.04ct lab-grown cushion diamond

This 3.04ct 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 LG800612221 or 800612221. Listed at 20 retailers as of October 29, 2026, with prices from £429 to £4,105, a £3,676 spread on the same certified stone. Brilliant Earth lists it at £4,105. 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

3.04
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800612221
Dimensions8.81 × 8.71 × 5.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.81 mm8.71 mm3.04 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800612221
Side View
Table 60.0%Crown 40.7°Girdle: MediumPavilion 40.4°Culet: LargeDepth 58.4%

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 29
Current: £4,105 GBP|Low: £412 GBP|High: £4,806 GBP|Avg: £1,173 GBP|-14.6%
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 11£429 GBP
Retailer 7£481 GBP
Retailer 16£481 GBP
Retailer 14£532 GBP
Retailer 3£720 GBP
Retailer 10£839 GBP
Retailer 12£907 GBP
Retailer 8£990 GBP
Retailer 2£1,124 GBP
Retailer 5£1,202 GBP
Retailer 17£1,210 GBP
Retailer 15£1,400 GBP
Retailer 9£1,558 GBP
Retailer 6£1,697 GBP
Retailer 4£1,730 GBP
Retailer 13£2,324 GBP
Brilliant Earth£4,105 GBP

41 data points across 17 retailers

20 retailers£429 GBP to £4,105 GBP

A
Cheapest Retailer
-
£429 GBP
$575 USD
A
Retailer 2
-
£481 GBP
$644 USD
View
Final sale: no returns
A
Retailer 3
-
£481 GBP
$644 USD
View
A
Retailer 4
-
£532 GBP
$713 USD
View
A
Retailer 5
-
£720 GBP
$965 USD
View
A
Retailer 6
-
£839 GBP
View
A
Retailer 7
-
£907 GBP
€1,157 EUR
View
A
Retailer 8
-
£990 GBP
$1,327 USD
View
A
Retailer 9
-
£1,124 GBP
A$2,318 AUD
View
B+
Retailer 10
-
£1,202 GBP
$1,610 USD
View
B+
Retailer 11
-
£1,210 GBP
$1,621 USD
View
B+
Retailer 12
-
£1,236 GBP
A$2,548 AUD
View
B+
Retailer 13
-
£1,400 GBP
$1,876 USD
View
B+
Retailer 14
-
£1,558 GBP
View
B+
Retailer 15
-
£1,697 GBP
SGD 3,073 SGD
View
B+
Retailer 16
-
£1,730 GBP
$2,318 USD
View
B+
Retailer 17
-
£1,740 GBP
$2,331 USD
View
B
Retailer 18
-
£2,324 GBP
View
B
Retailer 19
-
£3,194 GBP
View
Most Expensive
B
Brilliant Earth
19701634A · Oct 30
£4,105 GBP
$5,500 USD
View
19 more retailers have this diamond
Prices start from £429 GBPSave up to £3,676 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
3.04ct Cushion
£429 GBP