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Marquise|Lab Grown|IGI

6.11ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG720555416

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG720555416

Diamond specifications and retailer prices

From £853 GBP
$1,145 USD
As of November 2, 2026
Save £6,725 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £7,579 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 6.11ct lab-grown marquise diamond

This 6.11ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720555416 or 720555416. Listed at 11 retailers as of November 1, 2026, with prices from £853 to £7,579, a £6,725 spread on the same certified stone. Do Amore Diamonds lists it at £7,579. 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

6.11
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720555416
Dimensions19.42 × 9.48 × 5.87 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.42 mm9.48 mm6.11 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720555416
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: Nov 2
Current: £7,579 GBP|Low: £853 GBP|High: £8,898 GBP|Avg: £2,914 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8£853 GBP
Retailer 11£907 GBP
Retailer 2£1,150 GBP
Retailer 3£1,386 GBP
Retailer 9£1,573 GBP
Retailer 5£1,576 GBP
Retailer 7£1,950 GBP
Retailer 10£2,797 GBP
Retailer 6£3,515 GBP
Retailer 4£4,836 GBP
Do Amore Diamonds£7,579 GBP

29 data points across 11 retailers

11 retailers£853 GBP to £7,579 GBP

A
Cheapest Retailer
-
£853 GBP
$1,145 USD
A
Retailer 2
-
£1,150 GBP
View
B+
Retailer 3
-
£1,573 GBP
$2,111 USD
View
B+
Retailer 4
-
£1,576 GBP
$2,115 USD
View
B+
Retailer 5
-
£1,950 GBP
$2,617 USD
View
B+
Retailer 6
-
£2,048 GBP
$2,748 USD
View
B
Retailer 7
-
£2,797 GBP
$3,754 USD
View
B
Retailer 8
-
£2,865 GBP
$3,845 USD
View
B
Retailer 9
-
£3,515 GBP
View
B
Retailer 10
-
£4,836 GBP
$6,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-7CFCAB8F1 · Nov 1
£7,579 GBP
$10,170 USD
View
10 more retailers have this diamond
Prices start from £853 GBPSave up to £6,725 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
6.11ct Marquise
£853 GBP