Marquise|Lab Grown|IGI

1.22ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG846656633

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846656633

Diamond specifications and retailer prices

From £182 GBP
HK$1,900 HKD
As of November 1, 2026
Save £386 GBP (68%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £837 GBP at Reve Diamonds · As of October 25, 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 LG846656633 or 846656633. Listed at 19 retailers as of October 27, 2026, with a 213% 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

1.22
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846656633
Dimensions11.17 × 5.63 × 3.39 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.17 mm5.63 mm1.22 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG846656633
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £412 GBP|Low: £132 GBP|High: £837 GBP|Avg: £391 GBP|-26.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
October 31, 2026
Retailer 2£132 GBP
Retailer 6£147 GBP
Retailer 18£154 GBP
Retailer 14£164 GBP
Retailer 4£182 GBP
Retailer 12£206 GBP
Retailer 16£272 GBP
Retailer 3£277 GBP
Retailer 9£292 GBP
Retailer 13£293 GBP
Retailer 19£325 GBP
Retailer 5£349 GBP
Retailer 1£412 GBP
Retailer 8£470 GBP
Retailer 15£527 GBP
Retailer 10£538 GBP
Retailer 11£544 GBP
Retailer 7£568 GBP
Retailer 17£768 GBP
Reve Diamonds£837 GBP

9 data points across 20 retailers

19 retailers£182 GBP to £568 GBP

Retailer 1
-
£132 GBP
$177 USD
Price last confirmed 9 days ago
Retailer 2
-
£154 GBP
$206 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£164 GBP
$220 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£182 GBP
HK$1,900 HKD
View
A
Retailer 5
-
£206 GBP
View
Retailer 6
-
£272 GBP
€347 EUR
View
Price last confirmed 7 days ago
Retailer 7
-
£277 GBP
ZAR 6,002 ZAR
View
Price last confirmed 9 days ago
Retailer 8
-
£292 GBP
$391 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£293 GBP
View
A
Retailer 10
-
£325 GBP
$436 USD
View
A
Retailer 11
-
£349 GBP
$468 USD
View
B+
Retailer 12
-
£412 GBP
$552 USD
View
B+
Retailer 13
-
£470 GBP
$630 USD
View
Retailer 14
-
£527 GBP
$706 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£538 GBP
SGD 974 SGD
View
B+
Retailer 16
-
£544 GBP
$729 USD
View
B+
Retailer 17
-
£568 GBP
$761 USD
View
Retailer 18
-
£768 GBP
View
Price last confirmed 7 days ago
Most Expensive
Reve Diamonds
BB066C7BA · Oct 25
£837 GBP
$1,121 USD
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from £182 GBPSave up to £386 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
£182 GBP