Marquise|Lab Grown|IGI

1.05ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG818653820

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818653820

Diamond specifications and retailer prices

From £131 GBP
$175 USD
As of October 27, 2026
Save £1,130 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,262 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG818653820 or 818653820. Listed at 14 retailers as of October 27, 2026, with prices from £131 to £1,262, a £1,130 spread on the same certified stone. Do Amore Diamonds lists it at £1,262. 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 angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818653820
Dimensions10.27 × 5.41 × 3.38 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.27 mm5.41 mm1.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818653820
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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: £1,262 GBP|Low: £131 GBP|High: £1,299 GBP|Avg: £496 GBP|-2.9%
Do Amore Diamonds
Retailer 2
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Retailer 6
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Retailer 8
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Retailer 11
Retailer 12
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Retailer 14
October 29, 2026
Retailer 10£131 GBP
Retailer 14£147 GBP
Retailer 5£196 GBP
Retailer 7£221 GBP
Retailer 13£225 GBP
Retailer 4£301 GBP
Retailer 11£438 GBP
Retailer 12£460 GBP
Retailer 3£577 GBP
Retailer 8£584 GBP
Retailer 9£589 GBP
Retailer 6£743 GBP
Retailer 2£844 GBP
Do Amore Diamonds£1,262 GBP

30 data points across 14 retailers

14 retailers£131 GBP to £1,262 GBP

A
Cheapest Retailer
-
£131 GBP
$175 USD
A
Retailer 2
-
£147 GBP
$196 USD
View
Final sale: no returns
A
Retailer 3
-
£196 GBP
$260 USD
View
A
Retailer 4
-
£221 GBP
View
B+
Retailer 5
-
£225 GBP
$299 USD
View
A
Retailer 6
-
£301 GBP
€382 EUR
View
B+
Retailer 7
-
£438 GBP
A$898 AUD
View
B+
Retailer 8
-
£460 GBP
$613 USD
View
B+
Retailer 9
-
£577 GBP
$769 USD
View
B+
Retailer 10
-
£584 GBP
$778 USD
View
B+
Retailer 11
-
£589 GBP
$785 USD
View
B
Retailer 12
-
£743 GBP
$990 USD
View
B
Retailer 13
-
£844 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E74869437 · Oct 29
£1,262 GBP
$1,680 USD
View
13 more retailers have this diamond
Prices start from £131 GBPSave up to £1,130 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
£131 GBP