Marquise|Lab Grown|IGI

1.10ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG816620364

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816620364

Diamond specifications and retailer prices

From £145 GBP
$194 USD
As of October 30, 2026
Save £732 GBP (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,172 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 LG816620364 or 816620364. Listed at 25 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 angle33.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816620364
Dimensions11.21 × 5.31 × 3.31 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.21 mm5.31 mm1.10 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816620364
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.3%

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: £328 GBP|Low: £139 GBP|High: £877 GBP|Avg: £416 GBP|+3.3%
Retailer 1
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Retailer 19
October 30, 2026
Retailer 6£145 GBP
Retailer 4£162 GBP
Retailer 9£168 GBP
Retailer 7£180 GBP
Retailer 11£180 GBP
Retailer 12£221 GBP
Retailer 15£243 GBP
Retailer 13£295 GBP
Retailer 16£308 GBP
Retailer 1£328 GBP
Retailer 2£387 GBP
Retailer 17£438 GBP
Retailer 19£458 GBP
Retailer 8£578 GBP
Retailer 3£638 GBP
Retailer 14£667 GBP
Retailer 10£705 GBP
Retailer 18£841 GBP
Retailer 5£877 GBP

37 data points across 19 retailers

25 retailers£145 GBP to £877 GBP

A
Cheapest Retailer
-
£145 GBP
$194 USD
A
Retailer 2
-
£162 GBP
$217 USD
View
Final sale: no returns
A
Retailer 3
-
£168 GBP
$225 USD
View
A
Retailer 4
-
£180 GBP
$241 USD
View
A
Retailer 5
-
£180 GBP
$241 USD
View
A
Retailer 6
-
£221 GBP
View
B+
Retailer 7
-
£243 GBP
$325 USD
View
A
Retailer 8
-
£295 GBP
€377 EUR
View
A
Retailer 9
-
£308 GBP
ZAR 6,677 ZAR
View
A
Retailer 10
-
£328 GBP
View
A
Retailer 11
-
£352 GBP
$471 USD
View
B+
Retailer 12
-
£361 GBP
$484 USD
View
B+
Retailer 13
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£387 GBP
A$798 AUD
View
B+
Retailer 14
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£416 GBP
$557 USD
View
B+
Retailer 15
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£438 GBP
A$903 AUD
View
B+
Retailer 16
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£458 GBP
$614 USD
View
B+
Retailer 17
-
£578 GBP
$774 USD
View
B
Retailer 18
-
£606 GBP
$812 USD
View
B
Retailer 19
-
£618 GBP
$827 USD
View
B+
Retailer 20
-
£638 GBP
$855 USD
View
B+
Retailer 21
-
£667 GBP
A$1,375 AUD
View
B
Retailer 22
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£705 GBP
View
B
Retailer 23
-
£841 GBP
View
B
Retailer 24
-
£877 GBP
$1,175 USD
View
Most Expensive
Brilliant Earth
20767170A · Sep 28
£1,172 GBP
$1,570 USD
View
Price last confirmed 32 days ago
24 more retailers have this diamond
Prices start from £145 GBPSave up to £732 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
£145 GBP