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Marquise|Lab Grown|IGI

1.56ct F VS2 Marquise Lab Grown Diamond

ID • F/VS2 • IGI LG837654775

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837654775

Diamond specifications and retailer prices

From £189 GBP
$253 USD
As of November 2, 2026
Save £784 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £973 GBP at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837654775 or 837654775. Listed at 20 retailers as of November 1, 2026, with prices from £189 to £973, a £784 spread on the same certified stone. With Clarity lists it at £973. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837654775
Dimensions12.18 × 5.88 × 3.78 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm5.88 mm1.56 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837654775
Side View
Table 55.0%Crown 33.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 64.3%

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 2
Current: £287 GBP|Low: £183 GBP|High: £973 GBP|Avg: £479 GBP|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
With Clarity
November 2, 2026
Retailer 7£189 GBP
Retailer 8£211 GBP
Retailer 4£219 GBP
Retailer 3£234 GBP
Retailer 17£234 GBP
Retailer 1£287 GBP
Retailer 16£355 GBP
Retailer 15£391 GBP
Retailer 5£393 GBP
Retailer 11£442 GBP
Retailer 14£488 GBP
Retailer 13£599 GBP
Retailer 18£694 GBP
Retailer 10£724 GBP
Retailer 2£752 GBP
Retailer 9£755 GBP
Retailer 6£791 GBP
Retailer 12£938 GBP
With Clarity£973 GBP

29 data points across 19 retailers

20 retailers£189 GBP to £973 GBP

A
Cheapest Retailer
-
£189 GBP
$253 USD
A
Retailer 2
-
£211 GBP
$283 USD
View
Final sale: no returns
A
Retailer 3
-
£219 GBP
$293 USD
View
Retailer 4
-
£234 GBP
$314 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£234 GBP
$314 USD
View
A
Retailer 6
-
£287 GBP
View
A
Retailer 7
-
£355 GBP
$475 USD
View
A
Retailer 8
-
£391 GBP
$524 USD
View
A
Retailer 9
-
£393 GBP
$526 USD
View
A
Retailer 10
-
£442 GBP
View
A
Retailer 11
-
£488 GBP
$654 USD
View
B+
Retailer 12
-
£599 GBP
$803 USD
View
Retailer 13
-
£694 GBP
A$1,430 AUD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£724 GBP
$970 USD
View
B+
Retailer 15
-
£752 GBP
$1,008 USD
View
B+
Retailer 16
-
£755 GBP
SGD 1,367 SGD
View
B+
Retailer 17
-
£791 GBP
$1,060 USD
View
B+
Retailer 18
-
£921 GBP
$1,234 USD
View
B+
Retailer 19
-
£938 GBP
View
Most Expensive
B
With Clarity
837654775 · Nov 1
£973 GBP
$1,304 USD
View
19 more retailers have this diamond
Prices start from £189 GBPSave up to £784 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
1.56ct Marquise
£189 GBP