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Marquise|Lab Grown|IGI

1.61ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG841638918

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841638918

Diamond specifications and retailer prices

From £182 GBP
$244 USD
As of November 2, 2026
Save £782 GBP (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £964 GBP at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.61ct lab-grown marquise diamond

This 1.61ct 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 LG841638918 or 841638918. Listed at 10 retailers as of November 1, 2026, with prices from £182 to £964, a £782 spread on the same certified stone. With Clarity lists it at £964. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841638918
Dimensions11.78 × 6.12 × 3.93 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.78 mm6.12 mm1.61 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841638918
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.2%

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: £905 GBP|Low: £182 GBP|High: £985 GBP|Avg: £668 GBP|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
With Clarity
November 1, 2026
Retailer 7£182 GBP
Retailer 6£265 GBP
Retailer 3£376 GBP
Retailer 2£526 GBP
Retailer 4£728 GBP
Retailer 8£820 GBP
Retailer 1£905 GBP
Retailer 9£923 GBP
Retailer 5£946 GBP
With Clarity£964 GBP

19 data points across 10 retailers

10 retailers£182 GBP to £964 GBP

A
Cheapest Retailer
-
£182 GBP
$244 USD
Retailer 2
-
£265 GBP
View
Price last confirmed 16 days ago
Retailer 3
-
£376 GBP
€480 EUR
View
Price last confirmed 8 days ago
A
Retailer 4
-
£526 GBP
A$1,086 AUD
View
B+
Retailer 5
-
£728 GBP
$977 USD
View
B+
Retailer 6
-
£820 GBP
$1,100 USD
View
B+
Retailer 7
-
£905 GBP
View
Retailer 8
-
£923 GBP
SGD 1,674 SGD
View
Price last confirmed 20 days ago
B
Retailer 9
-
£946 GBP
$1,270 USD
View
Most Expensive
B
With Clarity
841638918 · Nov 1
£964 GBP
$1,293 USD
View
9 more retailers have this diamond
Prices start from £182 GBPSave up to £782 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
1.61ct Marquise
£182 GBP