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Marquise|Lab Grown|IGI

1.22ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG844657544

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844657544

Diamond specifications and retailer prices

From £191 GBP
HK$2,000 HKD
As of November 1, 2026
Save £391 GBP (67%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £582 GBP at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.22ct lab-grown marquise diamond

This 1.22ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844657544 or 844657544. Listed at 11 retailers as of November 1, 2026, with prices from £191 to £582, a £391 spread on the same certified stone. Brilliant Earth lists it at £582. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844657544
Dimensions10.75 × 5.68 × 3.41 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm5.68 mm1.22 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844657544
Side View
Table 62.0%Crown 34.5°Girdle: STK-VTKPavilion 38.4°Culet: NoneDepth 60.0%

Caratlytics Score

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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: Nov 1
Current: £582 GBP|Low: £151 GBP|High: £948 GBP|Avg: £403 GBP|-38.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 7£151 GBP
Retailer 2£191 GBP
Retailer 9£210 GBP
Retailer 11£296 GBP
Retailer 10£300 GBP
Retailer 6£326 GBP
Retailer 12£352 GBP
Retailer 5£470 GBP
Retailer 8£547 GBP
Retailer 4£558 GBP
Retailer 3£579 GBP
Brilliant Earth£582 GBP

7 data points across 12 retailers

11 retailers£191 GBP to £582 GBP

A
Cheapest Retailer
-
£191 GBP
HK$2,000 HKD
A
Retailer 2
-
£210 GBP
View
A
Retailer 3
-
£296 GBP
$397 USD
View
A
Retailer 4
-
£300 GBP
View
A
Retailer 5
-
£326 GBP
$437 USD
View
A
Retailer 6
-
£352 GBP
$472 USD
View
B+
Retailer 7
-
£470 GBP
$630 USD
View
B+
Retailer 8
-
£547 GBP
SGD 990 SGD
View
B+
Retailer 9
-
£558 GBP
$747 USD
View
B
Retailer 10
-
£579 GBP
$775 USD
View
Most Expensive
B
Brilliant Earth
22251274A · Nov 1
£582 GBP
$780 USD
View
10 more retailers have this diamond
Prices start from £191 GBPSave up to £391 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
1.22ct Marquise
£191 GBP