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Marquise|Lab Grown|IGI

1.22ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG655442471

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG655442471

Diamond specifications and retailer prices

From £249 GBP
$333 USD
As of November 1, 2026
Save £877 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,125 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG655442471 or 655442471. Listed at 15 retailers as of November 1, 2026, with prices from £249 to £1,125, a £877 spread on the same certified stone. Reve Diamonds lists it at £1,125. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655442471
Dimensions10.72 × 5.63 × 3.59 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.72 mm5.63 mm1.22 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655442471
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.8%

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: Nov 1
Current: £258 GBP|Low: £249 GBP|High: £1,125 GBP|Avg: £631 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 1, 2026
Retailer 12£249 GBP
Retailer 1£258 GBP
Retailer 10£276 GBP
Retailer 7£346 GBP
Retailer 2£357 GBP
Retailer 4£392 GBP
Retailer 11£452 GBP
Retailer 8£486 GBP
Retailer 13£517 GBP
Retailer 9£775 GBP
Retailer 5£923 GBP
Retailer 3£1,081 GBP
Retailer 6£1,106 GBP
Reve Diamonds£1,125 GBP

16 data points across 14 retailers

15 retailers£249 GBP to £1,125 GBP

Retailer 1
-
£213 GBP
$286 USD
Price last confirmed 30 days ago
A
Retailer 2
-
£249 GBP
$333 USD
View
Final sale: no returns
A
Retailer 3
-
£258 GBP
$346 USD
View
Retailer 4
-
£276 GBP
$370 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
£346 GBP
View
A
Retailer 6
-
£357 GBP
$478 USD
View
B+
Retailer 7
-
£392 GBP
$525 USD
View
B+
Retailer 8
-
£452 GBP
$606 USD
View
B+
Retailer 9
-
£486 GBP
View
B+
Retailer 10
-
£517 GBP
$693 USD
View
Retailer 11
-
£775 GBP
$1,038 USD
View
Price last confirmed 25 days ago
Retailer 12
-
£887 GBP
$1,189 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
£923 GBP
$1,237 USD
View
B
Retailer 14
-
£1,106 GBP
View
Most Expensive
B
Reve Diamonds
3831980BC · Nov 1
£1,125 GBP
$1,507 USD
View
14 more retailers have this diamond
Prices start from £249 GBPSave up to £877 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
£249 GBP