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Marquise|Lab Grown|IGI

1.61ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG831652898

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831652898

Diamond specifications and retailer prices

From £197 GBP
$265 USD
As of November 1, 2026
Save £871 GBP (82%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,069 GBP at Frank Darling · As of November 2, 2026
View at Frank Darling

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 LG831652898 or 831652898. Listed at 5 retailers as of November 1, 2026, with prices from £197 to £1,069, a £871 spread on the same certified stone. Frank Darling lists it at £1,069. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831652898
Dimensions11.88 × 6.06 × 3.89 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
11.88 mm6.06 mm1.61 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831652898
Side View
Table 58.0%Crown 37.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.2%

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 1
Current: £1,069 GBP|Low: £197 GBP|High: £1,069 GBP|Avg: £639 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3£197 GBP
Retailer 5£297 GBP
Retailer 7£406 GBP
Retailer 9£426 GBP
Retailer 8£717 GBP
Retailer 2£779 GBP
Retailer 4£823 GBP
Retailer 6£1,021 GBP
Frank Darling£1,069 GBP

10 data points across 9 retailers

5 retailers£197 GBP to £1,069 GBP

A
Cheapest Retailer
-
£197 GBP
$265 USD
Final sale: no returns
B+
Retailer 2
-
£297 GBP
$399 USD
View
B+
Retailer 3
-
£779 GBP
$1,046 USD
View
B
Retailer 4
-
£823 GBP
$1,105 USD
View
Most Expensive
B
Frank Darling
100197092539KD · Nov 2
£1,069 GBP
$1,434 USD
View
4 more retailers have this diamond
Prices start from £197 GBPSave up to £871 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
£197 GBP