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Marquise|Lab Grown|IGI

1.55ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG832604866

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG832604866

Diamond specifications and retailer prices

From £321 GBP
$431 USD
As of November 1, 2026
Save £1,594 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,915 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG832604866 or 832604866. Listed at 12 retailers as of November 1, 2026, with prices from £321 to £1,915, a £1,594 spread on the same certified stone. Do Amore Diamonds lists it at £1,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG832604866
Dimensions12.25 × 6.08 × 3.73 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.25 mm6.08 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG832604866
Side View
Table 61.0%Crown 35.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 61.3%

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: £1,915 GBP|Low: £321 GBP|High: £1,915 GBP|Avg: £800 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 13£321 GBP
Retailer 6£345 GBP
Retailer 11£438 GBP
Retailer 2£521 GBP
Retailer 8£563 GBP
Retailer 10£687 GBP
Retailer 12£753 GBP
Retailer 9£821 GBP
Retailer 3£1,027 GBP
Retailer 5£1,036 GBP
Retailer 4£1,069 GBP
Retailer 7£1,182 GBP
Do Amore Diamonds£1,915 GBP

8 data points across 13 retailers

12 retailers£321 GBP to £1,915 GBP

A
Cheapest Retailer
-
£321 GBP
$431 USD
A
Retailer 2
-
£345 GBP
View
A
Retailer 3
-
£438 GBP
$588 USD
View
A
Retailer 4
-
£521 GBP
View
B+
Retailer 5
-
£563 GBP
$755 USD
View
B+
Retailer 6
-
£687 GBP
A$1,419 AUD
View
B+
Retailer 7
-
£753 GBP
$1,010 USD
View
B
Retailer 8
-
£821 GBP
$1,102 USD
View
B
Retailer 9
-
£1,027 GBP
$1,378 USD
View
B
Retailer 10
-
£1,069 GBP
$1,434 USD
View
B
Retailer 11
-
£1,182 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9CD0D3E4E · Nov 2
£1,915 GBP
$2,570 USD
View
11 more retailers have this diamond
Prices start from £321 GBPSave up to £1,594 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
1.55ct Marquise
£321 GBP