Cushion|Lab Grown|IGI

5.11ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG844656580

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG844656580

Diamond specifications and retailer prices

From £1,117 GBP
$1,487 USD
As of October 29, 2026
Save £3,085 GBP (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,513 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 5.11ct lab-grown cushion diamond

This 5.11ct 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 LG844656580 or 844656580. Listed at 17 retailers as of October 29, 2026, with a 276% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.11
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844656580
Dimensions12.18 × 8.56 × 5.81 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm8.56 mm5.11 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844656580
Side View
Table 64.0%Crown 39.9°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 67.9%

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: £4,513 GBP|Low: £1,117 GBP|High: £4,513 GBP|Avg: £2,614 GBP
Rare Carat
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 4£1,117 GBP
Retailer 14£1,194 GBP
Retailer 2£1,215 GBP
Retailer 7£1,451 GBP
Retailer 10£1,630 GBP
Retailer 6£1,663 GBP
Retailer 12£1,772 GBP
Retailer 13£2,350 GBP
Retailer 9£2,402 GBP
Retailer 11£2,745 GBP
Retailer 8£2,804 GBP
Retailer 17£3,199 GBP
Retailer 15£3,736 GBP
Retailer 16£3,869 GBP
Retailer 5£4,062 GBP
Retailer 3£4,201 GBP
Rare Carat£4,513 GBP

13 data points across 17 retailers

17 retailers£1,117 GBP to £4,201 GBP

A
Cheapest Retailer
-
£1,117 GBP
$1,487 USD
Final sale: no returns
A
Retailer 2
-
£1,194 GBP
$1,590 USD
View
A
Retailer 3
-
£1,215 GBP
View
A
Retailer 4
-
£1,451 GBP
$1,932 USD
View
A
Retailer 5
-
£1,630 GBP
View
A
Retailer 6
-
£1,663 GBP
$2,215 USD
View
A
Retailer 7
-
£1,772 GBP
€2,247 EUR
View
A
Retailer 8
-
£2,350 GBP
ZAR 50,547 ZAR
View
Retailer 9
-
£2,402 GBP
A$4,921 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£2,745 GBP
$3,656 USD
View
B+
Retailer 11
-
£2,804 GBP
View
B+
Retailer 12
-
£3,199 GBP
$4,260 USD
View
B+
Retailer 13
-
£3,736 GBP
View
B+
Retailer 14
-
£3,869 GBP
SGD 6,963 SGD
View
B+
Retailer 15
-
£4,062 GBP
$5,410 USD
View
B+
Retailer 16
-
£4,201 GBP
$5,595 USD
View
Most Expensive
Rare Carat
CN378-11A · Oct 21
£4,513 GBP
$6,010 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from £1,117 GBPSave up to £3,085 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
5.11ct Cushion
£1,117 GBP