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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG639487558

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG639487558

Diamond specifications and retailer prices

From €340 EUR
As of November 4, 2026
Save €1,278 EUR (79%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €1,880 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639487558 or 639487558. Listed at 30 retailers as of October 30, 2026, with a 375% 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639487558
Dimensions10.94 × 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
10.94 mm5.62 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639487558
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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 4
Current: €1,880 EUR|Low: €244 EUR|High: €1,925 EUR|Avg: €1,071 EUR|+0.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 24
November 5, 2026
Retailer 17€244 EUR
Retailer 22€340 EUR
Retailer 20€433 EUR
Retailer 16€493 EUR
Retailer 19€494 EUR
Retailer 3€535 EUR
Retailer 13€670 EUR
Retailer 15€694 EUR
Retailer 2€723 EUR
Retailer 11€760 EUR
Retailer 9€850 EUR
Retailer 7€861 EUR
Retailer 21€927 EUR
Retailer 12€931 EUR
Retailer 24€1,107 EUR
Retailer 23€1,213 EUR
Retailer 8€1,251 EUR
Retailer 5€1,269 EUR
Retailer 14€1,359 EUR
Retailer 6€1,444 EUR
Retailer 4€1,466 EUR
Retailer 18€1,507 EUR
Retailer 10€1,618 EUR
Brilliant Earth€1,880 EUR

29 data points across 24 retailers

30 retailers€340 EUR to €1,618 EUR

Retailer 1
-
€244 EUR
Price last confirmed 29 days ago
A
Retailer 2
-
€340 EUR
View
Final sale: no returns
Retailer 3
-
€413 EUR
View
Price last confirmed 37 days ago
A
Retailer 4
-
€433 EUR
View
Retailer 5
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€462 EUR
View
Price last confirmed 38 days ago
Retailer 6
-
€493 EUR
View
Price last confirmed 29 days ago
Retailer 7
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€493 EUR
View
Price last confirmed 27 days ago
A
Retailer 8
-
€494 EUR
View
Retailer 9
-
€505 EUR
View
Price last confirmed 38 days ago
A
Retailer 10
-
€535 EUR
View
A
Retailer 11
-
€670 EUR
View
B+
Retailer 12
-
€694 EUR
View
B+
Retailer 13
-
€723 EUR
View
Retailer 14
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€760 EUR
View
Price last confirmed 8 days ago
B+
Retailer 15
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€850 EUR
View
B+
Retailer 16
-
€861 EUR
View
B+
Retailer 17
-
€927 EUR
View
B+
Retailer 18
-
€931 EUR
View
B+
Retailer 19
-
€1,107 EUR
View
B+
Retailer 20
-
€1,213 EUR
View
B
Retailer 21
-
€1,251 EUR
View
B
Retailer 22
-
€1,269 EUR
View
Retailer 23
-
€1,359 EUR
View
Price last confirmed 9 days ago
B
Retailer 24
-
€1,444 EUR
View
B+
Retailer 25
-
€1,466 EUR
View
B
Retailer 26
-
€1,507 EUR
View
Retailer 27
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€1,584 EUR
View
Price last confirmed 27 days ago
B
Retailer 28
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€1,618 EUR
View
Retailer 29
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€1,646 EUR
View
Price last confirmed 37 days ago
Most Expensive
Brilliant Earth
10876475A · Oct 26
€1,880 EUR
$2,110 USD
View
Price last confirmed 10 days ago
29 more retailers have this diamond
Prices start from €340 EURSave up to €1,278 EUR

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
€340 EUR