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Marquise|Lab Grown|IGI

1.22ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG805645596

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805645596

Diamond specifications and retailer prices

From £138 GBP
$185 USD
As of October 30, 2026
Save £1,190 GBP (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,328 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG805645596 or 805645596. Listed at 13 retailers as of October 30, 2026, with prices from £138 to £1,328, a £1,190 spread on the same certified stone. Do Amore Diamonds lists it at £1,328. 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 angle32.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805645596
Dimensions12.24 × 5.29 × 3.31 mm
L/W Ratio2.31
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.24 mm5.29 mm1.22 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805645596
Side View
Table 65.0%Crown 32.7°Girdle: MED-THKPavilion 41°Culet: NoneDepth 62.6%

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: £1,328 GBP|Low: £135 GBP|High: £1,373 GBP|Avg: £450 GBP|-1.7%
Do Amore Diamonds
Retailer 2
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Retailer 16
November 1, 2026
Retailer 16£138 GBP
Retailer 13£160 GBP
Retailer 8£201 GBP
Retailer 2£237 GBP
Retailer 14£261 GBP
Retailer 12£302 GBP
Retailer 5£302 GBP
Retailer 10£412 GBP
Retailer 3£463 GBP
Retailer 6£471 GBP
Retailer 15£555 GBP
Retailer 9£583 GBP
Retailer 7£600 GBP
Retailer 11£609 GBP
Retailer 4£781 GBP
Do Amore Diamonds£1,328 GBP

33 data points across 16 retailers

13 retailers£138 GBP to £1,328 GBP

A
Cheapest Retailer
-
£138 GBP
$185 USD
A
Retailer 2
-
£160 GBP
$215 USD
View
A
Retailer 3
-
£237 GBP
View
A
Retailer 4
-
£261 GBP
$350 USD
View
A
Retailer 5
-
£302 GBP
$404 USD
View
B+
Retailer 6
-
£412 GBP
$552 USD
View
B+
Retailer 7
-
£463 GBP
A$954 AUD
View
Retailer 8
-
£471 GBP
$631 USD
View
Price last confirmed 77 days ago
B+
Retailer 9
-
£555 GBP
A$1,144 AUD
View
B
Retailer 10
-
£583 GBP
$781 USD
View
B+
Retailer 11
-
£609 GBP
$816 USD
View
B
Retailer 12
-
£781 GBP
View
Most Expensive
B
Do Amore Diamonds
27-084973C67 · Oct 31
£1,328 GBP
$1,780 USD
View
12 more retailers have this diamond
Prices start from £138 GBPSave up to £1,190 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
£138 GBP