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Cushion|Lab Grown|IGI

5.20ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG811649663

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811649663

Diamond specifications and retailer prices

From £1,548 GBP
$2,061 USD
As of October 29, 2026
Save £8,620 GBP (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £10,168 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.2ct lab-grown cushion diamond

This 5.2ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811649663 or 811649663. Listed at 22 retailers as of October 29, 2026, with prices from £1,548 to £10,168, a £8,620 spread on the same certified stone. Brilliant Earth lists it at £10,168. 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

5.20
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811649663
Dimensions12.03 × 8.63 × 5.87 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.03 mm8.63 mm5.20 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811649663
Side View
Table 65.0%Crown 36.9°Girdle: THK-VTKPavilion 32.9°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £10,168 GBP|Low: £1,603 GBP|High: £10,168 GBP|Avg: £3,742 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
October 30, 2026
Retailer 3£1,603 GBP
Retailer 9£1,731 GBP
Retailer 5£1,860 GBP
Retailer 2£2,205 GBP
Retailer 10£2,292 GBP
Retailer 7£2,549 GBP
Retailer 11£3,255 GBP
Retailer 6£3,258 GBP
Retailer 12£4,132 GBP
Retailer 8£4,604 GBP
Retailer 4£5,355 GBP
Retailer 13£6,008 GBP
Brilliant Earth£10,168 GBP

37 data points across 13 retailers

22 retailers£1,548 GBP to £10,168 GBP

A
Cheapest Retailer
-
£1,548 GBP
$2,061 USD
Final sale: no returns
Retailer 2
-
£1,603 GBP
$2,135 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£1,731 GBP
$2,305 USD
View
A
Retailer 4
-
£1,845 GBP
HK$19,200 HKD
View
A
Retailer 5
-
£1,860 GBP
$2,477 USD
View
A
Retailer 6
-
£2,205 GBP
View
A
Retailer 7
-
£2,292 GBP
$3,052 USD
View
B+
Retailer 8
-
£2,549 GBP
€3,233 EUR
View
B+
Retailer 9
-
£2,958 GBP
$3,939 USD
View
Retailer 10
-
£3,255 GBP
A$6,669 AUD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£3,258 GBP
ZAR 70,096 ZAR
View
B+
Retailer 12
-
£3,319 GBP
View
B+
Retailer 13
-
£4,132 GBP
$5,503 USD
View
B+
Retailer 14
-
£4,322 GBP
$5,755 USD
View
B
Retailer 15
-
£4,604 GBP
$6,131 USD
View
B+
Retailer 16
-
£4,604 GBP
View
Retailer 17
-
£4,760 GBP
$6,338 USD
View
Price last confirmed 73 days ago
B
Retailer 18
-
£5,355 GBP
SGD 9,636 SGD
View
B
Retailer 19
-
£5,619 GBP
$7,483 USD
View
Retailer 20
-
£6,008 GBP
A$12,309 AUD
View
Price last confirmed 21 days ago
B
Retailer 21
-
£7,815 GBP
$10,407 USD
View
Most Expensive
B
Brilliant Earth
20666318A · Oct 29
£10,168 GBP
$13,540 USD
View
21 more retailers have this diamond
Prices start from £1,548 GBPSave up to £8,620 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
5.20ct Cushion
£1,548 GBP