Marquise|Lab Grown|IGI

1.61ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG837601953

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837601953

Diamond specifications and retailer prices

From £471 GBP
$632 USD
As of November 2, 2026
Save £493 GBP (51%) vs most expensive(unlock to see where)
6 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 LG837601953 or 837601953. Listed at 6 retailers as of November 1, 2026, with prices from £471 to £964, a £493 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 angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837601953
Dimensions12.30 × 6.05 × 3.82 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.30 mm6.05 mm1.61 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837601953
Side View
Table 55.0%Crown 34.3°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 63.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: £376 GBP|Low: £372 GBP|High: £998 GBP|Avg: £752 GBP|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
October 25, 2026
Retailer 1£376 GBP
Retailer 5£471 GBP
Retailer 4£820 GBP
Retailer 3£909 GBP
Retailer 2£946 GBP
With Clarity£964 GBP

20 data points across 6 retailers

6 retailers£471 GBP to £964 GBP

Retailer 1
-
£376 GBP
€480 EUR
Price last confirmed 8 days ago
A
Retailer 2
-
£471 GBP
$632 USD
View
B+
Retailer 3
-
£820 GBP
$1,100 USD
View
B+
Retailer 4
-
£909 GBP
View
B
Retailer 5
-
£946 GBP
$1,270 USD
View
Most Expensive
B
With Clarity
837601953 · Nov 1
£964 GBP
$1,293 USD
View
5 more retailers have this diamond
Prices start from £471 GBPSave up to £493 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
£471 GBP