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Cushion|Lab Grown|IGI

3.03ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG754516258

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

Certificate IGI LG754516258

Diamond specifications and retailer prices

From £399 GBP
$531 USD
As of October 28, 2026
Save £4,084 GBP (91%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,483 GBP at Brilliant Earth · As of October 25, 2026
View at Brilliant Earth

About this 3.03ct lab-grown cushion diamond

This 3.03ct 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 LG754516258 or 754516258. Listed at 18 retailers as of October 25, 2026, with prices from £399 to £4,483, a £4,084 spread on the same certified stone. Brilliant Earth lists it at £4,483. 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

3.03
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754516258
Dimensions8.13 × 8.07 × 5.44 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
8.13 mm8.07 mm3.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754516258
Side View
Table 61.0%Crown 37°Girdle: MED-STKPavilion 35.2°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 28
Current: £4,483 GBP|Low: £381 GBP|High: £4,483 GBP|Avg: £1,264 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
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 12£399 GBP
Retailer 16£421 GBP
Retailer 15£558 GBP
Retailer 11£559 GBP
Retailer 4£645 GBP
Retailer 6£746 GBP
Retailer 10£770 GBP
Retailer 13£990 GBP
Retailer 9£1,010 GBP
Retailer 14£1,088 GBP
Retailer 5£1,259 GBP
Retailer 8£1,493 GBP
Retailer 3£1,624 GBP
Retailer 2£1,952 GBP
Retailer 7£3,019 GBP
Brilliant Earth£4,483 GBP

39 data points across 16 retailers

18 retailers£399 GBP to £4,483 GBP

A
Cheapest Retailer
-
£399 GBP
$531 USD
Final sale: no returns
A
Retailer 2
-
£421 GBP
$561 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£557 GBP
HK$5,800 HKD
View
B+
Retailer 4
-
£558 GBP
$743 USD
View
A
Retailer 5
-
£559 GBP
$745 USD
View
A
Retailer 6
-
£645 GBP
$859 USD
View
A
Retailer 7
-
£746 GBP
$993 USD
View
A
Retailer 8
-
£770 GBP
View
A
Retailer 9
-
£990 GBP
A$2,028 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
£1,010 GBP
ZAR 21,727 ZAR
View
A
Retailer 11
-
£1,088 GBP
$1,449 USD
View
B+
Retailer 12
-
£1,493 GBP
$1,989 USD
View
B+
Retailer 13
-
£1,603 GBP
$2,135 USD
View
B+
Retailer 14
-
£1,624 GBP
SGD 2,923 SGD
View
B+
Retailer 15
-
£1,952 GBP
View
B
Retailer 16
-
£3,019 GBP
$4,020 USD
View
B
Retailer 17
-
£3,499 GBP
$4,660 USD
View
Most Expensive
B
Brilliant Earth
17428072A · Oct 25
£4,483 GBP
$5,970 USD
View
17 more retailers have this diamond
Prices start from £399 GBPSave up to £4,084 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
3.03ct Cushion
£399 GBP