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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG625448677

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG625448677

Diamond specifications and retailer prices

From €398 EUR
$446 USD
As of October 30, 2026
Save €1,769 EUR (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €2,167 EUR at Brilliant Earth · As of October 30, 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 LG625448677 or 625448677. Listed at 25 retailers as of October 30, 2026, with prices from €398 to €2,167, a €1,769 spread on the same certified stone. Brilliant Earth lists it at €2,167. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625448677
Dimensions11.47 × 5.44 × 3.40 mm
L/W Ratio2.11
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
11.47 mm5.44 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625448677
Side View
Table 57.0%Crown 36.1°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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: Oct 30
Current: €2,167 EUR|Low: €244 EUR|High: €2,354 EUR|Avg: €1,123 EUR|+12.5%
Brilliant Earth
Retailer 2
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Retailer 25
October 31, 2026
Retailer 6€398 EUR
Retailer 24€444 EUR
Retailer 3€446 EUR
Retailer 5€493 EUR
Retailer 9€571 EUR
Retailer 13€620 EUR
Retailer 11€695 EUR
Retailer 15€697 EUR
Retailer 14€756 EUR
Retailer 20€761 EUR
Retailer 2€816 EUR
Retailer 23€848 EUR
Retailer 22€932 EUR
Retailer 12€1,149 EUR
Retailer 8€1,326 EUR
Retailer 4€1,360 EUR
Retailer 7€1,585 EUR
Retailer 10€1,614 EUR
Retailer 19€1,619 EUR
Retailer 17€1,649 EUR
Retailer 25€1,695 EUR
Retailer 16€1,764 EUR
Retailer 21€1,822 EUR
Retailer 18€1,927 EUR
Brilliant Earth€2,167 EUR

26 data points across 25 retailers

25 retailers€398 EUR to €2,167 EUR

A
Cheapest Retailer
-
€398 EUR
$446 USD
A
Retailer 2
-
€444 EUR
$498 USD
View
Final sale: no returns
A
Retailer 3
-
€446 EUR
$500 USD
View
A
Retailer 4
-
€493 EUR
$553 USD
View
A
Retailer 5
-
€571 EUR
HK$5,000 HKD
View
A
Retailer 6
-
€620 EUR
$695 USD
View
B+
Retailer 7
-
€695 EUR
$779 USD
View
B+
Retailer 8
-
€697 EUR
$782 USD
View
B+
Retailer 9
-
€756 EUR
$848 USD
View
B+
Retailer 10
-
€761 EUR
View
B+
Retailer 11
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€816 EUR
£720 GBP
View
B+
Retailer 12
-
€848 EUR
ZAR 15,358 ZAR
View
B+
Retailer 13
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€932 EUR
A$1,608 AUD
View
Retailer 14
-
€1,149 EUR
$1,288 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
€1,326 EUR
$1,487 USD
View
B+
Retailer 16
-
€1,360 EUR
$1,525 USD
View
B
Retailer 17
-
€1,585 EUR
$1,778 USD
View
B
Retailer 18
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€1,614 EUR
$1,811 USD
View
B
Retailer 19
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€1,619 EUR
A$2,794 AUD
View
B
Retailer 20
-
€1,649 EUR
SGD 2,499 SGD
View
B
Retailer 21
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€1,695 EUR
$1,901 USD
View
B
Retailer 22
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€1,764 EUR
$1,979 USD
View
B
Retailer 23
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€1,822 EUR
£1,609 GBP
View
B
Retailer 24
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€1,927 EUR
$2,161 USD
View
Most Expensive
B
Brilliant Earth
9771282A · Oct 30
€2,167 EUR
$2,430 USD
View
24 more retailers have this diamond
Prices start from €398 EURSave up to €1,769 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
€398 EUR