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Marquise|Lab Grown|IGI

1.55ct F VVS1 Marquise Lab Grown Diamond

ID • F/VVS1 • IGI LG851611772

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851611772

Diamond specifications and retailer prices

From £200 GBP
As of November 6, 2026
Save £1,645 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 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 LG851611772 or 851611772. Listed at 22 retailers as of November 6, 2026, with prices from £200 to £1,845, a £1,645 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 angle36.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851611772
Dimensions11.73 × 6.01 × 3.68 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.73 mm6.01 mm1.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851611772
Side View
Table 59.0%Crown 36.6°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 61.2%

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 6
Current: £490 GBP|Low: £200 GBP|High: £1,845 GBP|Avg: £642 GBP|-0.3%
Retailer 1
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Retailer 21
Yadav Diamonds
November 6, 2026
Retailer 17£200 GBP
Retailer 18£232 GBP
Retailer 4£248 GBP
Retailer 19£260 GBP
Retailer 2£277 GBP
Retailer 20£332 GBP
Retailer 21£366 GBP
Retailer 12£397 GBP
Retailer 11£431 GBP
Retailer 13£447 GBP
Retailer 5£467 GBP
Retailer 1£490 GBP
Retailer 9£586 GBP
Retailer 10£596 GBP
Retailer 16£796 GBP
Retailer 3£808 GBP
Retailer 15£835 GBP
Retailer 14£893 GBP
Retailer 8£920 GBP
Retailer 7£990 GBP
Retailer 6£1,044 GBP
Yadav Diamonds£1,845 GBP

10 data points across 22 retailers

22 retailers£200 GBP to £1,845 GBP

A
Cheapest Retailer
-
£200 GBP
A
Retailer 2
-
£232 GBP
View
A
Retailer 3
-
£248 GBP
View
A
Retailer 4
-
£260 GBP
View
A
Retailer 5
-
£277 GBP
View
B+
Retailer 6
-
£332 GBP
View
A
Retailer 7
-
£366 GBP
View
A
Retailer 8
-
£397 GBP
View
A
Retailer 9
-
£431 GBP
View
A
Retailer 10
-
£447 GBP
View
A
Retailer 11
-
£467 GBP
View
A
Retailer 12
-
£490 GBP
View
B+
Retailer 13
-
£586 GBP
View
B+
Retailer 14
-
£596 GBP
View
B+
Retailer 15
-
£796 GBP
View
B+
Retailer 16
-
£808 GBP
View
B+
Retailer 17
-
£835 GBP
View
B
Retailer 18
-
£893 GBP
View
B
Retailer 19
-
£920 GBP
View
B+
Retailer 20
-
£990 GBP
View
B+
Retailer 21
-
£1,044 GBP
View
Most Expensive
B
Yadav Diamonds
13369217 · Nov 6
£1,845 GBP
$2,470 USD
View
21 more retailers have this diamond
Prices start from £200 GBPSave up to £1,645 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
£200 GBP