Marquise|Lab Grown|IGI

1.36ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG837622753

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837622753

Diamond specifications and retailer prices

From £253 GBP
$340 USD
As of November 1, 2026
Save £768 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,021 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.36ct lab-grown marquise diamond

This 1.36ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837622753 or 837622753. Listed at 7 retailers as of October 26, 2026, with prices from £253 to £1,021, a £768 spread on the same certified stone. Brilliant Earth lists it at £1,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.36
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837622753
Dimensions11.78 × 5.68 × 3.55 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
11.78 mm5.68 mm1.36 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837622753
Side View
Table 62.0%Crown 36.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £323 GBP|Low: £253 GBP|High: £729 GBP|Avg: £356 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 25, 2026
Retailer 3£253 GBP
Retailer 6£281 GBP
Retailer 1£323 GBP
Retailer 7£331 GBP
Retailer 2£368 GBP
Retailer 5£482 GBP
Retailer 4£729 GBP

10 data points across 7 retailers

7 retailers£253 GBP to £1,021 GBP

A
Cheapest Retailer
-
£253 GBP
$340 USD
Retailer 2
-
£281 GBP
$377 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£323 GBP
$433 USD
View
Price last confirmed 7 days ago
Retailer 4
-
£368 GBP
€470 EUR
View
Price last confirmed 8 days ago
Retailer 5
-
£482 GBP
$646 USD
View
Price last confirmed 9 days ago
Retailer 6
-
£729 GBP
$979 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
22279994A · Oct 26
£1,021 GBP
$1,370 USD
View
6 more retailers have this diamond
Prices start from £253 GBPSave up to £768 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
1.36ct Marquise
£253 GBP