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Marquise|Lab Grown|IGI

5.50ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG830602915

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830602915

Diamond specifications and retailer prices

From £1,870 GBP
$2,505 USD
As of October 29, 2026
Save £9,072 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £11,098 GBP at Brilliant Earth · As of October 26, 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 D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830602915 or 830602915. Listed at 11 retailers as of October 29, 2026, with a 485% 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
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830602915
Dimensions18.17 × 9.14 × 5.72 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.17 mm9.14 mm5.50 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830602915
Side View
Table 59.0%Crown 34.4°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.6%

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: £11,098 GBP|Low: £1,561 GBP|High: £11,486 GBP|Avg: £4,493 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 7£1,870 GBP
Retailer 6£2,060 GBP
Retailer 3£2,111 GBP
Retailer 4£2,181 GBP
Retailer 5£2,309 GBP
Retailer 9£4,709 GBP
Retailer 10£5,069 GBP
Retailer 8£5,730 GBP
Retailer 11£6,116 GBP
Retailer 2£10,941 GBP
Brilliant Earth£11,098 GBP

14 data points across 11 retailers

11 retailers£1,870 GBP to £10,941 GBP

A
Cheapest Retailer
-
£1,870 GBP
$2,505 USD
Final sale: no returns
A
Retailer 2
-
£2,060 GBP
$2,760 USD
View
B+
Retailer 3
-
£2,111 GBP
HK$22,100 HKD
View
A
Retailer 4
-
£2,181 GBP
View
B+
Retailer 5
-
£2,309 GBP
$3,094 USD
View
Retailer 6
-
£4,709 GBP
$6,310 USD
View
Price last confirmed 14 days ago
Retailer 7
-
£5,069 GBP
A$10,450 AUD
View
Price last confirmed 23 days ago
B
Retailer 8
-
£5,730 GBP
View
B
Retailer 9
-
£6,116 GBP
SGD 11,074 SGD
View
B
Retailer 10
-
£10,941 GBP
$14,660 USD
View
Most Expensive
Brilliant Earth
21190283Y · Oct 26
£11,098 GBP
$14,870 USD
View
Price under review
10 more retailers have this diamond
Prices start from £1,870 GBPSave up to £9,072 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
£1,870 GBP