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Cushion|Lab Grown|IGI

5.54ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG828666033

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

Certificate IGI LG828666033

Diamond specifications and retailer prices

From £3,952 GBP
$5,295 USD
As of October 29, 2026
Save £6,950 GBP (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £14,015 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.54ct lab-grown cushion diamond

This 5.54ct 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 LG828666033 or 828666033. Listed at 12 retailers as of October 29, 2026, with a 176% 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

5.54
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828666033
Dimensions10.46 × 10.14 × 6.54 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.46 mm10.14 mm5.54 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828666033
Side View
Table 65.0%Crown 40°Girdle: STK-THKPavilion 43.4°Culet: LargeDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £5,093 GBP|Low: £3,952 GBP|High: £14,015 GBP|Avg: £7,217 GBP|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 11£3,952 GBP
Retailer 12£4,253 GBP
Retailer 1£5,093 GBP
Retailer 3£5,528 GBP
Retailer 7£5,723 GBP
Retailer 4£6,382 GBP
Retailer 2£7,348 GBP
Retailer 9£7,416 GBP
Retailer 5£7,969 GBP
Retailer 8£8,131 GBP
Retailer 6£8,166 GBP
Retailer 10£10,902 GBP
Taylor and Hart£14,015 GBP

17 data points across 13 retailers

12 retailers£3,952 GBP to £10,902 GBP

B+
Cheapest Retailer
-
£3,952 GBP
$5,295 USD
B+
Retailer 2
-
£4,253 GBP
$5,698 USD
View
Final sale: no returns
B+
Retailer 3
-
£5,093 GBP
View
B
Retailer 4
-
£5,528 GBP
View
B
Retailer 5
-
£5,723 GBP
$7,668 USD
View
B
Retailer 6
-
£7,348 GBP
$9,846 USD
View
B
Retailer 7
-
£7,416 GBP
$9,937 USD
View
B
Retailer 8
-
£7,969 GBP
ZAR 172,502 ZAR
View
Retailer 9
-
£8,131 GBP
A$16,760 AUD
View
Price last confirmed 8 days ago
B
Retailer 10
-
£8,166 GBP
View
B
Retailer 11
-
£10,902 GBP
$14,607 USD
View
Most Expensive
Taylor and Hart
FSVCTKW · Oct 30
£14,015 GBP
$18,778 USD
View
Price under review
11 more retailers have this diamond
Prices start from £3,952 GBPSave up to £6,950 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.

B+
5.54ct Cushion
£3,952 GBP