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Marquise|Lab Grown|IGI

1.55ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG851659385

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851659385

Diamond specifications and retailer prices

From £260 GBP
As of November 6, 2026
Save £1,585 GBP (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,845 GBP at Yadav Diamonds · As of November 6, 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 LG851659385 or 851659385. Listed at 17 retailers as of November 6, 2026, with prices from £260 to £1,845, a £1,585 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851659385
Dimensions11.78 × 6.02 × 3.85 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.78 mm6.02 mm1.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851659385
Side View
Table 58.0%Crown 37°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 64.0%

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: Nov 6
Current: £490 GBP|Low: £260 GBP|High: £1,845 GBP|Avg: £683 GBP|-0.2%
Retailer 1
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
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Retailer 16
Yadav Diamonds
November 6, 2026
Retailer 11£260 GBP
Retailer 14£277 GBP
Retailer 12£332 GBP
Retailer 13£366 GBP
Retailer 9£397 GBP
Retailer 7£433 GBP
Retailer 16£467 GBP
Retailer 1£490 GBP
Retailer 5£586 GBP
Retailer 3£596 GBP
Retailer 15£808 GBP
Retailer 10£835 GBP
Retailer 8£893 GBP
Retailer 4£911 GBP
Retailer 6£1,007 GBP
Retailer 2£1,044 GBP
Yadav Diamonds£1,845 GBP

7 data points across 17 retailers

17 retailers£260 GBP to £1,845 GBP

A
Cheapest Retailer
-
£260 GBP
A
Retailer 2
-
£277 GBP
View
B+
Retailer 3
-
£332 GBP
View
A
Retailer 4
-
£366 GBP
View
A
Retailer 5
-
£397 GBP
View
A
Retailer 6
-
£433 GBP
View
A
Retailer 7
-
£467 GBP
View
A
Retailer 8
-
£490 GBP
View
B+
Retailer 9
-
£586 GBP
View
B+
Retailer 10
-
£596 GBP
View
B+
Retailer 11
-
£808 GBP
View
B+
Retailer 12
-
£835 GBP
View
B
Retailer 13
-
£893 GBP
View
B
Retailer 14
-
£911 GBP
View
B
Retailer 15
-
£1,007 GBP
View
B
Retailer 16
-
£1,044 GBP
View
Most Expensive
B
Yadav Diamonds
13378875 · Nov 6
£1,845 GBP
$2,470 USD
View
16 more retailers have this diamond
Prices start from £260 GBPSave up to £1,585 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
£260 GBP