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Marquise|Lab Grown|IGI

1.05ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG839681374

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839681374

Diamond specifications and retailer prices

From £123 GBP
As of November 4, 2026
Save £791 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £914 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839681374 or 839681374. Listed at 19 retailers as of November 4, 2026, with prices from £123 to £914, a £791 spread on the same certified stone. Do Amore Diamonds lists it at £914. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839681374
Dimensions10.83 × 5.35 × 3.26 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.83 mm5.35 mm1.05 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839681374
Side View
Table 59.0%Crown 34.4°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £914 GBP|Low: £123 GBP|High: £966 GBP|Avg: £414 GBP|-5.4%
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 6£123 GBP
Retailer 19£143 GBP
Retailer 17£154 GBP
Retailer 10£160 GBP
Retailer 5£196 GBP
Retailer 13£202 GBP
Retailer 7£207 GBP
Retailer 12£291 GBP
Retailer 20£291 GBP
Retailer 16£302 GBP
Retailer 4£389 GBP
Retailer 11£401 GBP
Retailer 18£412 GBP
Retailer 2£451 GBP
Retailer 3£520 GBP
Retailer 22£543 GBP
Retailer 15£583 GBP
Retailer 14£600 GBP
Retailer 8£672 GBP
Retailer 9£687 GBP
Retailer 21£789 GBP
Do Amore Diamonds£914 GBP

24 data points across 22 retailers

19 retailers£123 GBP to £914 GBP

A
Cheapest Retailer
-
£123 GBP
A
Retailer 2
-
£143 GBP
View
A
Retailer 3
-
£154 GBP
View
Retailer 4
-
£160 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£196 GBP
View
A
Retailer 6
-
£202 GBP
View
B+
Retailer 7
-
£207 GBP
View
A
Retailer 8
-
£291 GBP
View
A
Retailer 9
-
£302 GBP
View
B+
Retailer 10
-
£389 GBP
View
B+
Retailer 11
-
£401 GBP
View
B+
Retailer 12
-
£412 GBP
View
B+
Retailer 13
-
£451 GBP
View
B+
Retailer 14
-
£520 GBP
View
B+
Retailer 15
-
£543 GBP
View
B
Retailer 16
-
£672 GBP
View
B
Retailer 17
-
£687 GBP
View
B
Retailer 18
-
£789 GBP
View
Most Expensive
B
Do Amore Diamonds
36-2081080 · Nov 4
£914 GBP
$1,230 USD
View
18 more retailers have this diamond
Prices start from £123 GBPSave up to £791 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
1.05ct Marquise
£123 GBP