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Marquise|Lab Grown|IGI

1.22ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG786680110

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786680110

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)
9 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 LG786680110 or 786680110. Listed at 9 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 angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786680110
Dimensions11.16 × 5.56 × 3.48 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.16 mm5.56 mm1.22 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786680110
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.7°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: £517 GBP|-2.7%
Do Amore Diamonds
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 12£138 GBP
Retailer 11£160 GBP
Retailer 14£286 GBP
Retailer 10£302 GBP
Retailer 3£306 GBP
Retailer 5£403 GBP
Retailer 6£438 GBP
Retailer 13£463 GBP
Retailer 8£555 GBP
Retailer 2£583 GBP
Retailer 4£584 GBP
Retailer 9£609 GBP
Retailer 7£891 GBP
Do Amore Diamonds£1,328 GBP

25 data points across 14 retailers

9 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
-
£302 GBP
$404 USD
View
B+
Retailer 4
-
£463 GBP
A$954 AUD
View
B+
Retailer 5
-
£555 GBP
A$1,144 AUD
View
B
Retailer 6
-
£583 GBP
$781 USD
View
B+
Retailer 7
-
£609 GBP
$816 USD
View
B
Retailer 8
-
£891 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E9CD9B444 · Oct 31
£1,328 GBP
$1,780 USD
View
8 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