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Marquise|Lab Grown|IGI

1.56ct F VVS2 Marquise Lab Grown Diamond

ID • F/VVS2 • IGI LG778646984

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778646984

Diamond specifications and retailer prices

From £197 GBP
$265 USD
As of November 2, 2026
Save £810 GBP (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,572 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778646984 or 778646984. Listed at 23 retailers as of November 1, 2026, with a 410% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778646984
Dimensions12.45 × 6.14 × 3.66 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.45 mm6.14 mm1.56 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778646984
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.6%

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: £1,572 GBP|Low: £189 GBP|High: £1,572 GBP|Avg: £548 GBP
Brilliant Earth
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
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Retailer 17
Retailer 18
November 2, 2026
Retailer 6£197 GBP
Retailer 10£229 GBP
Retailer 4£244 GBP
Retailer 7£244 GBP
Retailer 11£272 GBP
Retailer 17£361 GBP
Retailer 15£397 GBP
Retailer 13£422 GBP
Retailer 14£464 GBP
Retailer 12£464 GBP
Retailer 16£569 GBP
Retailer 2£627 GBP
Retailer 8£757 GBP
Retailer 9£786 GBP
Retailer 3£954 GBP
Retailer 5£961 GBP
Retailer 18£985 GBP
Brilliant Earth£1,572 GBP

40 data points across 18 retailers

23 retailers£197 GBP to £1,007 GBP

A
Cheapest Retailer
-
£197 GBP
$265 USD
A
Retailer 2
-
£229 GBP
$307 USD
View
A
Retailer 3
-
£244 GBP
$328 USD
View
Retailer 4
-
£244 GBP
$328 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£272 GBP
View
B+
Retailer 6
-
£328 GBP
$440 USD
View
A
Retailer 7
-
£361 GBP
$485 USD
View
A
Retailer 8
-
£397 GBP
€507 EUR
View
A
Retailer 9
-
£421 GBP
$565 USD
View
A
Retailer 10
-
£422 GBP
ZAR 9,138 ZAR
View
A
Retailer 11
-
£464 GBP
A$958 AUD
View
A
Retailer 12
-
£464 GBP
View
A
Retailer 13
-
£497 GBP
$667 USD
View
A
Retailer 14
-
£569 GBP
A$1,174 AUD
View
B+
Retailer 15
-
£627 GBP
$842 USD
View
Retailer 16
-
£757 GBP
A$1,562 AUD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
£786 GBP
$1,055 USD
View
B+
Retailer 18
-
£824 GBP
$1,106 USD
View
B
Retailer 19
-
£954 GBP
View
B
Retailer 20
-
£961 GBP
$1,290 USD
View
B
Retailer 21
-
£985 GBP
View
B
Retailer 22
-
£1,007 GBP
$1,352 USD
View
Most Expensive
Brilliant Earth
18447713A · Oct 16
£1,572 GBP
$2,110 USD
View
Price last confirmed 17 days ago
22 more retailers have this diamond
Prices start from £197 GBPSave up to £810 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
£197 GBP