Marquise|Lab Grown|IGI

1.18ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG839624495

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839624495

Diamond specifications and retailer prices

From £318 GBP
€406 EUR
As of October 27, 2026
18 retailers carry this diamond
Most expensive: £1,148 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.18ct lab-grown marquise diamond

This 1.18ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839624495 or 839624495. Listed at 18 retailers as of October 27, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839624495
Dimensions11.55 × 5.34 × 3.27 mm
L/W Ratio2.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.55 mm5.34 mm1.18 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839624495
Side View
Table 61.0%Crown 38.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: £1,148 GBP|Low: £138 GBP|High: £1,148 GBP|Avg: £572 GBP
Helzberg Diamonds
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 25, 2026
Retailer 5£138 GBP
Retailer 4£154 GBP
Retailer 3£170 GBP
Retailer 14£209 GBP
Retailer 10£231 GBP
Retailer 8£291 GBP
Retailer 15£300 GBP
Retailer 2£318 GBP
Retailer 6£393 GBP
Retailer 9£410 GBP
Retailer 19£547 GBP
Retailer 16£569 GBP
Retailer 12£578 GBP
Retailer 17£587 GBP
Retailer 7£642 GBP
Retailer 11£715 GBP
Retailer 13£800 GBP
Retailer 18£990 GBP
Helzberg Diamonds£1,148 GBP

22 data points across 19 retailers

18 retailers

Retailer 1
-
£138 GBP
$185 USD
Price last confirmed 11 days ago
Retailer 2
-
£170 GBP
$228 USD
View
Price last confirmed 11 days ago
Retailer 3
-
£209 GBP
View
Price last confirmed 9 days ago
Retailer 4
-
£231 GBP
$310 USD
View
Price last confirmed 12 days ago
Retailer 5
-
£291 GBP
ZAR 6,300 ZAR
View
Price last confirmed 12 days ago
Retailer 6
-
£300 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
£318 GBP
€406 EUR
View
Retailer 8
-
£393 GBP
$526 USD
View
Price last confirmed 9 days ago
Retailer 9
-
£410 GBP
$550 USD
View
Price last confirmed 11 days ago
Retailer 10
-
£547 GBP
$733 USD
View
Price last confirmed 10 days ago
Retailer 11
-
£569 GBP
$762 USD
View
Price last confirmed 10 days ago
Retailer 12
-
£578 GBP
$774 USD
View
Price last confirmed 8 days ago
Retailer 13
-
£587 GBP
$787 USD
View
Price last confirmed 10 days ago
Retailer 14
-
£642 GBP
$860 USD
View
Price last confirmed 12 days ago
Retailer 15
-
£715 GBP
A$1,474 AUD
View
Price last confirmed 22 days ago
Retailer 16
-
£800 GBP
View
Price last confirmed 9 days ago
Retailer 17
-
£990 GBP
SGD 1,792 SGD
View
Price last confirmed 9 days ago
Most Expensive
Helzberg Diamonds
ZXZOJPMIKKPL · Oct 13
£1,148 GBP
$1,538 USD
View
Price last confirmed 17 days ago
17 more retailers have this diamond
Prices start from £318 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
1.18ct Marquise
£318 GBP