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Marquise|Lab Grown|IGI

1.55ct F VVS1 Marquise Lab Grown Diamond

EX • F/VVS1 • IGI LG850686923

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850686923

Diamond specifications and retailer prices

From £208 GBP
As of November 2, 2026
Save £1,638 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,845 GBP at Yadav Diamonds · As of November 4, 2026
View at Yadav 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG850686923 or 850686923. Listed at 22 retailers as of November 2, 2026, with prices from £208 to £1,845, a £1,638 spread on the same certified stone. Yadav Diamonds lists it at £1,845. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850686923
Dimensions12.31 × 6.01 × 3.72 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
12.31 mm6.01 mm1.55 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850686923
Side View
Table 59.0%Crown 36.6°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 61.9%

Caratlytics Score

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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: Nov 2
Current: £450 GBP|Low: £208 GBP|High: £1,845 GBP|Avg: £650 GBP|-1.0%
Retailer 1
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Retailer 22
Yadav Diamonds
November 4, 2026
Retailer 22£208 GBP
Retailer 4£241 GBP
Retailer 5£252 GBP
Retailer 11£258 GBP
Retailer 12£272 GBP
Retailer 18£377 GBP
Retailer 13£403 GBP
Retailer 9£407 GBP
Retailer 2£445 GBP
Retailer 1£450 GBP
Retailer 3£493 GBP
Retailer 20£516 GBP
Retailer 17£545 GBP
Retailer 16£604 GBP
Retailer 7£829 GBP
Retailer 14£829 GBP
Retailer 15£867 GBP
Retailer 21£896 GBP
Retailer 8£1,033 GBP
Retailer 6£1,059 GBP
Retailer 19£1,074 GBP
Retailer 10£1,078 GBP
Yadav Diamonds£1,845 GBP

5 data points across 23 retailers

22 retailers£208 GBP to £1,845 GBP

A
Cheapest Retailer
-
£208 GBP
A
Retailer 2
-
£241 GBP
View
A
Retailer 3
-
£258 GBP
View
A
Retailer 4
-
£272 GBP
View
A
Retailer 5
-
£377 GBP
View
A
Retailer 6
-
£403 GBP
View
A
Retailer 7
-
£407 GBP
View
A
Retailer 8
-
£445 GBP
View
A
Retailer 9
-
£450 GBP
View
A
Retailer 10
-
£493 GBP
View
A
Retailer 11
-
£516 GBP
View
B+
Retailer 12
-
£545 GBP
View
B+
Retailer 13
-
£604 GBP
View
B+
Retailer 14
-
£829 GBP
View
B+
Retailer 15
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£829 GBP
View
B
Retailer 16
-
£867 GBP
View
B
Retailer 17
-
£896 GBP
View
B
Retailer 18
-
£1,033 GBP
View
B
Retailer 19
-
£1,059 GBP
View
B
Retailer 20
-
£1,074 GBP
View
B
Retailer 21
-
£1,078 GBP
View
Most Expensive
B
Yadav Diamonds
13379474 · Nov 4
£1,845 GBP
$2,470 USD
View
21 more retailers have this diamond
Prices start from £208 GBPSave up to £1,638 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
£208 GBP