Marquise|Lab Grown|IGI

1.10ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG818685141

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818685141

Diamond specifications and retailer prices

From £146 GBP
$194 USD
As of October 30, 2026
Save £736 GBP (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,179 GBP at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.1ct lab-grown marquise diamond

This 1.1ct 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 LG818685141 or 818685141. Listed at 24 retailers as of October 30, 2026, with a 506% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.10
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685141
Dimensions11.15 × 5.34 × 3.24 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
11.15 mm5.34 mm1.10 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685141
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £330 GBP|Low: £140 GBP|High: £882 GBP|Avg: £395 GBP|+4.6%
Retailer 1
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Retailer 19
October 30, 2026
Retailer 4£146 GBP
Retailer 2£163 GBP
Retailer 9£169 GBP
Retailer 6£181 GBP
Retailer 10£181 GBP
Retailer 18£222 GBP
Retailer 13£244 GBP
Retailer 12£297 GBP
Retailer 14£310 GBP
Retailer 1£330 GBP
Retailer 7£390 GBP
Retailer 11£418 GBP
Retailer 15£441 GBP
Retailer 19£461 GBP
Retailer 8£581 GBP
Retailer 16£642 GBP
Retailer 5£682 GBP
Retailer 17£850 GBP
Retailer 3£882 GBP

45 data points across 19 retailers

24 retailers£146 GBP to £882 GBP

A
Cheapest Retailer
-
£146 GBP
$194 USD
A
Retailer 2
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£163 GBP
$217 USD
View
Final sale: no returns
A
Retailer 3
-
£169 GBP
$225 USD
View
A
Retailer 4
-
£181 GBP
$241 USD
View
A
Retailer 5
-
£181 GBP
$241 USD
View
Retailer 6
-
£222 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£244 GBP
$325 USD
View
A
Retailer 8
-
£297 GBP
€377 EUR
View
A
Retailer 9
-
£310 GBP
ZAR 6,677 ZAR
View
A
Retailer 10
-
£330 GBP
View
A
Retailer 11
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£354 GBP
$471 USD
View
B+
Retailer 12
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£363 GBP
$484 USD
View
B+
Retailer 13
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£390 GBP
A$798 AUD
View
B+
Retailer 14
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£418 GBP
$557 USD
View
B+
Retailer 15
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£441 GBP
A$903 AUD
View
B+
Retailer 16
-
£461 GBP
$614 USD
View
B+
Retailer 17
-
£581 GBP
$774 USD
View
B
Retailer 18
-
£610 GBP
$812 USD
View
B
Retailer 19
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£621 GBP
$827 USD
View
B+
Retailer 20
-
£642 GBP
$855 USD
View
Retailer 21
-
£682 GBP
A$1,397 AUD
View
Price last confirmed 25 days ago
B
Retailer 22
-
£850 GBP
View
B
Retailer 23
-
£882 GBP
$1,175 USD
View
Most Expensive
Brilliant Earth
21103053A · Sep 28
£1,179 GBP
$1,570 USD
View
Price last confirmed 31 days ago
23 more retailers have this diamond
Prices start from £146 GBPSave up to £736 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
1.10ct Marquise
£146 GBP