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Marquise|Lab Grown|IGI

5.50ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • IGI LG715509994

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG715509994

Diamond specifications and retailer prices

From £1,015 GBP
$1,361 USD
As of November 3, 2026
Save £6,658 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £9,388 GBP at Brilliant Earth · As of October 17, 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 LG715509994 or 715509994. Listed at 21 retailers as of November 2, 2026, with a 656% 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 angle37.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715509994
Dimensions17.04 × 9.37 × 5.96 mm
L/W Ratio1.82
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.04 mm9.37 mm5.50 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715509994
Side View
Table 62.0%Crown 37.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.6%

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 3
Current: £7,673 GBP|Low: £1,015 GBP|High: £9,388 GBP|Avg: £2,840 GBP|-18.3%
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
Retailer 17
Retailer 18
November 3, 2026
Retailer 4£1,015 GBP
Retailer 13£1,178 GBP
Retailer 10£1,212 GBP
Retailer 2£1,526 GBP
Retailer 8£1,588 GBP
Retailer 12£1,599 GBP
Retailer 18£1,889 GBP
Retailer 14£2,060 GBP
Retailer 5£2,534 GBP
Retailer 16£2,729 GBP
Retailer 15£2,810 GBP
Retailer 9£3,152 GBP
Retailer 11£3,377 GBP
Retailer 3£3,522 GBP
Retailer 7£3,684 GBP
Retailer 17£4,224 GBP
Retailer 6£5,267 GBP
Brilliant Earth£7,673 GBP

38 data points across 18 retailers

21 retailers£1,015 GBP to £7,673 GBP

Retailer 1
-
£869 GBP
$1,166 USD
Price last confirmed 32 days ago
Retailer 2
-
£986 GBP
$1,322 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
£1,015 GBP
$1,361 USD
View
Final sale: no returns
Retailer 4
-
£1,051 GBP
$1,409 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
£1,178 GBP
$1,580 USD
View
A
Retailer 6
-
£1,212 GBP
HK$12,700 HKD
View
A
Retailer 7
-
£1,526 GBP
View
Retailer 8
-
£1,588 GBP
$2,130 USD
View
Price last confirmed 20 days ago
Retailer 9
-
£1,599 GBP
€2,042 EUR
View
Price last confirmed 9 days ago
Retailer 10
-
£1,889 GBP
$2,533 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
£2,060 GBP
$2,763 USD
View
Retailer 12
-
£2,534 GBP
View
Price last confirmed 19 days ago
Retailer 13
-
£2,729 GBP
$3,660 USD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
£2,810 GBP
$3,769 USD
View
B+
Retailer 15
-
£3,152 GBP
$4,227 USD
View
B+
Retailer 16
-
£3,377 GBP
View
B
Retailer 17
-
£3,522 GBP
SGD 6,382 SGD
View
B
Retailer 18
-
£3,684 GBP
$4,941 USD
View
Retailer 19
-
£4,224 GBP
$5,665 USD
View
Price last confirmed 30 days ago
B
Retailer 20
-
£7,673 GBP
$10,290 USD
View
Most Expensive
Brilliant Earth
14605965A · Oct 17
£9,388 GBP
$12,590 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from £1,015 GBPSave up to £6,658 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
£1,015 GBP