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Marquise|Lab Grown|IGI

5.50ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • IGI LG846630714

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846630714

Diamond specifications and retailer prices

From £784 GBP
$1,051 USD
As of November 1, 2026
Save £3,381 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £9,366 GBP at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846630714 or 846630714. Listed at 17 retailers as of October 28, 2026, with a 431% 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

5.50
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846630714
Dimensions17.38 × 9.25 × 5.86 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.38 mm9.25 mm5.50 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846630714
Side View
Table 63.0%Crown 36.6°Girdle: MED-THKPavilion 40.7°Culet: NoneDepth 63.4%

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: Nov 1
Current: £9,366 GBP|Low: £859 GBP|High: £9,366 GBP|Avg: £2,580 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
November 3, 2026
Retailer 13£859 GBP
Retailer 4£966 GBP
Retailer 10£1,243 GBP
Retailer 6£1,337 GBP
Retailer 11£1,641 GBP
Retailer 3£1,693 GBP
Retailer 8£1,795 GBP
Retailer 5£1,974 GBP
Retailer 14£2,227 GBP
Retailer 9£2,525 GBP
Retailer 7£2,587 GBP
Retailer 12£2,737 GBP
Retailer 2£2,807 GBP
Retailer 15£3,620 GBP
Brilliant Earth£9,366 GBP

17 data points across 15 retailers

17 retailers£784 GBP to £4,165 GBP

A
Cheapest Retailer
-
£784 GBP
$1,051 USD
A
Retailer 2
-
£859 GBP
View
A
Retailer 3
-
£966 GBP
$1,295 USD
View
A
Retailer 4
-
£1,243 GBP
View
A
Retailer 5
-
£1,337 GBP
$1,793 USD
View
A
Retailer 6
-
£1,641 GBP
ZAR 35,549 ZAR
View
A
Retailer 7
-
£1,693 GBP
A$3,494 AUD
View
A
Retailer 8
-
£1,795 GBP
$2,407 USD
View
B+
Retailer 9
-
£1,974 GBP
$2,647 USD
View
B+
Retailer 10
-
£2,227 GBP
View
B+
Retailer 11
-
£2,525 GBP
$3,386 USD
View
B+
Retailer 12
-
£2,587 GBP
$3,469 USD
View
B+
Retailer 13
-
£2,737 GBP
View
B+
Retailer 14
-
£2,807 GBP
$3,764 USD
View
B
Retailer 15
-
£3,620 GBP
A$7,469 AUD
View
B
Retailer 16
-
£4,165 GBP
$5,585 USD
View
Most Expensive
Brilliant Earth
22179013A · Oct 18
£9,366 GBP
$12,560 USD
View
Price last confirmed 15 days ago
16 more retailers have this diamond
Prices start from £784 GBPSave up to £3,381 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
5.50ct Marquise
£784 GBP