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Marquise|Lab Grown|IGI

1.05ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG818661409

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818661409

Diamond specifications and retailer prices

From £140 GBP
$187 USD
As of October 27, 2026
Save £828 GBP (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £969 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG818661409 or 818661409. Listed at 21 retailers as of October 26, 2026, with prices from £140 to £969, a £828 spread on the same certified stone. Brilliant Earth lists it at £969. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818661409
Dimensions10.88 × 5.27 × 3.23 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.88 mm5.27 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818661409
Side View
Table 63.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £969 GBP|Low: £157 GBP|High: £1,021 GBP|Avg: £453 GBP|-5.1%
Brilliant Earth
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
October 29, 2026
Retailer 3£157 GBP
Retailer 5£173 GBP
Retailer 15£214 GBP
Retailer 10£234 GBP
Retailer 8£287 GBP
Retailer 11£298 GBP
Retailer 2£314 GBP
Retailer 7£347 GBP
Retailer 12£424 GBP
Retailer 14£440 GBP
Retailer 6£559 GBP
Retailer 9£644 GBP
Retailer 13£813 GBP
Retailer 4£864 GBP
Brilliant Earth£969 GBP

44 data points across 15 retailers

21 retailers£140 GBP to £969 GBP

A
Cheapest Retailer
-
£140 GBP
$187 USD
A
Retailer 2
-
£157 GBP
$209 USD
View
Final sale: no returns
A
Retailer 3
-
£162 GBP
$216 USD
View
A
Retailer 4
-
£173 GBP
$231 USD
View
A
Retailer 5
-
£173 GBP
$231 USD
View
A
Retailer 6
-
£214 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£234 GBP
$312 USD
View
A
Retailer 8
-
£287 GBP
€364 EUR
View
A
Retailer 9
-
£298 GBP
ZAR 6,417 ZAR
View
A
Retailer 10
-
£314 GBP
View
A
Retailer 11
-
£326 GBP
$434 USD
View
A
Retailer 12
-
£347 GBP
$462 USD
View
B+
Retailer 13
-
£424 GBP
A$868 AUD
View
B+
Retailer 14
-
£440 GBP
$586 USD
View
B+
Retailer 15
-
£559 GBP
$744 USD
View
B
Retailer 16
-
£582 GBP
$775 USD
View
B
Retailer 17
-
£599 GBP
$798 USD
View
B
Retailer 18
-
£644 GBP
A$1,320 AUD
View
B
Retailer 19
-
£813 GBP
View
B
Retailer 20
-
£864 GBP
$1,151 USD
View
Most Expensive
B
Brilliant Earth
20988727A · Oct 26
£969 GBP
$1,290 USD
View
20 more retailers have this diamond
Prices start from £140 GBPSave up to £828 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
1.05ct Marquise
£140 GBP