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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784644862

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784644862

Diamond specifications and retailer prices

From £213 GBP
As of November 4, 2026
Save £1,683 GBP (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,896 GBP at Do Amore Diamonds · As of November 3, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784644862 or 784644862. Listed at 16 retailers as of November 3, 2026, with prices from £213 to £1,896, a £1,683 spread on the same certified stone. Do Amore Diamonds lists it at £1,896. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644862
Dimensions10.98 × 5.62 × 3.47 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.98 mm5.62 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644862
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: £1,896 GBP|Low: £213 GBP|High: £1,993 GBP|Avg: £785 GBP|-4.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 4, 2026
Retailer 13£213 GBP
Retailer 4£247 GBP
Retailer 8£271 GBP
Retailer 2£300 GBP
Retailer 14£382 GBP
Retailer 6£389 GBP
Retailer 16£436 GBP
Retailer 7£470 GBP
Retailer 11£499 GBP
Retailer 12£572 GBP
Retailer 15£813 GBP
Retailer 3£939 GBP
Retailer 9£1,171 GBP
Retailer 10£1,526 GBP
Retailer 5£1,782 GBP
Do Amore Diamonds£1,896 GBP

40 data points across 16 retailers

16 retailers£213 GBP to £1,896 GBP

A+
Cheapest Retailer
-
£213 GBP
A
Retailer 2
-
£247 GBP
View
A
Retailer 3
-
£271 GBP
View
Final sale: no returns
A
Retailer 4
-
£300 GBP
View
A
Retailer 5
-
£382 GBP
View
A
Retailer 6
-
£389 GBP
View
A
Retailer 7
-
£436 GBP
View
A
Retailer 8
-
£470 GBP
View
A
Retailer 9
-
£499 GBP
View
B+
Retailer 10
-
£572 GBP
View
B+
Retailer 11
-
£813 GBP
View
B+
Retailer 12
-
£939 GBP
View
B+
Retailer 13
-
£1,171 GBP
View
B
Retailer 14
-
£1,526 GBP
View
Retailer 15
-
£1,782 GBP
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-CEB00F957 · Nov 3
£1,896 GBP
$2,560 USD
View
15 more retailers have this diamond
Prices start from £213 GBPSave up to £1,683 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
£213 GBP