Marquise|Lab Grown|IGI

1.35ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG814633149

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814633149

Diamond specifications and retailer prices

From £387 GBP
€494 EUR
As of October 27, 2026
Save £642 GBP (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,028 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.35ct lab-grown marquise diamond

This 1.35ct 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 LG814633149 or 814633149. Listed at 19 retailers as of October 26, 2026, with prices from £387 to £1,028, a £642 spread on the same certified stone. Brilliant Earth lists it at £1,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814633149
Dimensions11.33 × 5.65 × 3.66 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.33 mm5.65 mm1.35 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814633149
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,028 GBP|Low: £166 GBP|High: £1,095 GBP|Avg: £440 GBP|-6.1%
Brilliant Earth
Retailer 2
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Retailer 16
October 27, 2026
Retailer 14£173 GBP
Retailer 5£193 GBP
Retailer 6£200 GBP
Retailer 7£214 GBP
Retailer 16£214 GBP
Retailer 3£289 GBP
Retailer 11£365 GBP
Retailer 2£387 GBP
Retailer 9£392 GBP
Retailer 8£453 GBP
Retailer 12£527 GBP
Retailer 13£561 GBP
Retailer 15£578 GBP
Retailer 4£689 GBP
Retailer 10£863 GBP
Brilliant Earth£1,028 GBP

36 data points across 16 retailers

19 retailers£387 GBP to £1,028 GBP

Retailer 1
-
£173 GBP
$232 USD
Price last confirmed 12 days ago
Retailer 2
-
£200 GBP
$269 USD
View
Price last confirmed 12 days ago
Retailer 3
-
£212 GBP
$284 USD
View
Price last confirmed 38 days ago
Retailer 4
-
£214 GBP
$287 USD
View
Price last confirmed 13 days ago
Retailer 5
-
£214 GBP
$287 USD
View
Price last confirmed 17 days ago
Retailer 6
-
£289 GBP
$388 USD
View
Price last confirmed 12 days ago
Retailer 7
-
£365 GBP
ZAR 7,905 ZAR
View
Price last confirmed 15 days ago
A
Retailer 8
-
£387 GBP
€494 EUR
View
Retailer 9
-
£392 GBP
View
Price last confirmed 11 days ago
Retailer 10
-
£402 GBP
$540 USD
View
Price last confirmed 9 days ago
Retailer 11
-
£453 GBP
$608 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£527 GBP
A$1,088 AUD
View
Price last confirmed 15 days ago
Retailer 13
-
£561 GBP
$753 USD
View
Price last confirmed 10 days ago
Retailer 14
-
£578 GBP
$775 USD
View
Price last confirmed 25 days ago
Retailer 15
-
£689 GBP
$924 USD
View
Price last confirmed 13 days ago
Retailer 16
-
£728 GBP
$976 USD
View
Price last confirmed 12 days ago
Retailer 17
-
£782 GBP
$1,050 USD
View
Price last confirmed 10 days ago
Retailer 18
-
£863 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20593676A · Oct 26
£1,028 GBP
$1,380 USD
View
18 more retailers have this diamond
Prices start from £387 GBPSave up to £642 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
1.35ct Marquise
£387 GBP