Marquise|Lab Grown|IGI

1.28ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG838655460

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG838655460

Diamond specifications and retailer prices

From £348 GBP
€444 EUR
As of October 27, 2026
Save £906 GBP (72%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,254 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG838655460 or 838655460. Listed at 18 retailers as of October 26, 2026, with prices from £348 to £1,254, a £906 spread on the same certified stone. Brilliant Earth lists it at £1,254. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838655460
Dimensions11.68 × 5.59 × 3.50 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.68 mm5.59 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838655460
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,254 GBP|Low: £146 GBP|High: £1,321 GBP|Avg: £474 GBP|-1.8%
Brilliant Earth
Retailer 2
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Retailer 18
October 25, 2026
Retailer 16£152 GBP
Retailer 10£170 GBP
Retailer 6£176 GBP
Retailer 4£189 GBP
Retailer 17£257 GBP
Retailer 13£321 GBP
Retailer 11£336 GBP
Retailer 2£348 GBP
Retailer 18£387 GBP
Retailer 7£458 GBP
Retailer 15£464 GBP
Retailer 12£487 GBP
Retailer 5£607 GBP
Retailer 8£646 GBP
Retailer 3£672 GBP
Retailer 14£887 GBP
Retailer 9£900 GBP
Brilliant Earth£1,254 GBP

33 data points across 18 retailers

18 retailers£348 GBP to £1,254 GBP

Retailer 1
-
£152 GBP
$204 USD
Price last confirmed 9 days ago
Retailer 2
-
£176 GBP
$236 USD
View
Price last confirmed 10 days ago
Retailer 3
-
£189 GBP
$253 USD
View
Price last confirmed 9 days ago
Retailer 4
-
£189 GBP
$253 USD
View
Price last confirmed 15 days ago
Retailer 5
-
£257 GBP
$345 USD
View
Price last confirmed 8 days ago
Retailer 6
-
£321 GBP
ZAR 6,951 ZAR
View
Price last confirmed 13 days ago
Retailer 7
-
£336 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
£348 GBP
€444 EUR
View
Retailer 9
-
£387 GBP
$518 USD
View
Price last confirmed 7 days ago
Retailer 10
-
£458 GBP
$613 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£464 GBP
A$957 AUD
View
Price last confirmed 13 days ago
Retailer 12
-
£487 GBP
$653 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£607 GBP
$813 USD
View
Price last confirmed 9 days ago
Retailer 14
-
£646 GBP
$866 USD
View
Price last confirmed 10 days ago
Retailer 15
-
£672 GBP
$900 USD
View
Price last confirmed 23 days ago
Retailer 16
-
£887 GBP
View
Price last confirmed 13 days ago
Retailer 17
-
£900 GBP
$1,206 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21567343A · Oct 26
£1,254 GBP
$1,680 USD
View
17 more retailers have this diamond
Prices start from £348 GBPSave up to £906 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
1.28ct Marquise
£348 GBP