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Cushion|Lab Grown|IGI

3.03ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG836636806

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

Certificate IGI LG836636806

Diamond specifications and retailer prices

From £364 GBP
$484 USD
As of October 28, 2026
Save £4,151 GBP (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,515 GBP at Brilliant Earth · As of October 28, 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 LG836636806 or 836636806. Listed at 16 retailers as of October 28, 2026, with prices from £364 to £4,515, a £4,151 spread on the same certified stone. Brilliant Earth lists it at £4,515. 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 angle41.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836636806
Dimensions8.24 × 7.97 × 5.27 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm7.97 mm3.03 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836636806
Side View
Table 63.0%Crown 41.7°Girdle: MED-THKPavilion 35.8°Culet: NoneDepth 66.1%

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 28
Current: £4,515 GBP|Low: £364 GBP|High: £4,523 GBP|Avg: £1,041 GBP|-0.2%
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 5£364 GBP
Retailer 6£404 GBP
Retailer 9£463 GBP
Retailer 16£542 GBP
Retailer 12£546 GBP
Retailer 11£664 GBP
Retailer 13£704 GBP
Retailer 3£853 GBP
Retailer 10£877 GBP
Retailer 14£888 GBP
Retailer 4£956 GBP
Retailer 15£1,282 GBP
Retailer 7£1,322 GBP
Retailer 2£1,492 GBP
Retailer 8£1,521 GBP
Brilliant Earth£4,515 GBP

26 data points across 16 retailers

16 retailers£364 GBP to £4,515 GBP

A
Cheapest Retailer
-
£364 GBP
$484 USD
Final sale: no returns
A
Retailer 2
-
£404 GBP
$537 USD
View
A
Retailer 3
-
£463 GBP
View
B+
Retailer 4
-
£542 GBP
$720 USD
View
A
Retailer 5
-
£546 GBP
$725 USD
View
A
Retailer 6
-
£664 GBP
View
A
Retailer 7
-
£704 GBP
€891 EUR
View
A
Retailer 8
-
£853 GBP
A$1,743 AUD
View
A
Retailer 9
-
£877 GBP
ZAR 18,819 ZAR
View
A
Retailer 10
-
£888 GBP
$1,180 USD
View
A
Retailer 11
-
£956 GBP
$1,270 USD
View
B+
Retailer 12
-
£1,282 GBP
SGD 2,302 SGD
View
B+
Retailer 13
-
£1,322 GBP
$1,757 USD
View
B+
Retailer 14
-
£1,492 GBP
View
B+
Retailer 15
-
£1,521 GBP
$2,021 USD
View
Most Expensive
B
Brilliant Earth
21560938A · Oct 28
£4,515 GBP
$6,000 USD
View
15 more retailers have this diamond
Prices start from £364 GBPSave up to £4,151 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
£364 GBP