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Marquise|Lab Grown|IGI

1.56ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG794610748

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794610748

Diamond specifications and retailer prices

From £445 GBP
A$918 AUD
As of November 3, 2026
Save £517 GBP (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £961 GBP at Brilliant Earth · As of November 2, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG794610748 or 794610748. Listed at 17 retailers as of November 2, 2026, with prices from £445 to £961, a £517 spread on the same certified stone. Brilliant Earth lists it at £961. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610748
Dimensions12.27 × 6.03 × 3.70 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
12.27 mm6.03 mm1.56 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610748
Side View
Table 56.0%Crown 33°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £961 GBP|Low: £145 GBP|High: £995 GBP|Avg: £577 GBP|-3.0%
Brilliant Earth
Retailer 2
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October 19, 2026
Retailer 19£188 GBP
Retailer 5£209 GBP
Retailer 6£232 GBP
Retailer 10£232 GBP
Retailer 21£354 GBP
Retailer 4£389 GBP
Retailer 17£397 GBP
Retailer 12£411 GBP
Retailer 13£433 GBP
Retailer 2£445 GBP
Retailer 8£487 GBP
Retailer 14£535 GBP
Retailer 20£544 GBP
Retailer 18£714 GBP
Retailer 3£741 GBP
Retailer 22£747 GBP
Retailer 7£749 GBP
Retailer 9£786 GBP
Retailer 11£911 GBP
Retailer 15£937 GBP
Retailer 16£944 GBP
Brilliant Earth£961 GBP

27 data points across 22 retailers

17 retailers£445 GBP to £961 GBP

Retailer 1
-
£188 GBP
$252 USD
Price last confirmed 25 days ago
Retailer 2
-
£215 GBP
$289 USD
View
Price last confirmed 34 days ago
Retailer 3
-
£232 GBP
$312 USD
View
Price last confirmed 21 days ago
Retailer 4
-
£232 GBP
$312 USD
View
Price last confirmed 30 days ago
Retailer 5
-
£389 GBP
$522 USD
View
Price last confirmed 21 days ago
Retailer 6
-
£397 GBP
ZAR 8,613 ZAR
View
Price last confirmed 25 days ago
Retailer 7
-
£433 GBP
View
Price last confirmed 20 days ago
A
Retailer 8
-
£445 GBP
A$918 AUD
View
Retailer 9
-
£544 GBP
$730 USD
View
Price last confirmed 20 days ago
Retailer 10
-
£714 GBP
A$1,474 AUD
View
Price last confirmed 25 days ago
Retailer 11
-
£741 GBP
$995 USD
View
Price last confirmed 29 days ago
Retailer 12
-
£747 GBP
$1,003 USD
View
Price last confirmed 29 days ago
Retailer 13
-
£749 GBP
SGD 1,359 SGD
View
Price last confirmed 21 days ago
Retailer 14
-
£786 GBP
$1,055 USD
View
Price last confirmed 21 days ago
Retailer 15
-
£911 GBP
$1,222 USD
View
Price last confirmed 21 days ago
Retailer 16
-
£944 GBP
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21503684A · Nov 2
£961 GBP
$1,290 USD
View
16 more retailers have this diamond
Prices start from £445 GBPSave up to £517 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
£445 GBP