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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790611808

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790611808

Diamond specifications and retailer prices

From €299 EUR
$335 USD
As of October 30, 2026
Save €1,886 EUR (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,184 EUR at Brilliant Earth · As of October 31, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790611808 or 790611808. Listed at 21 retailers as of October 30, 2026, with prices from €299 to €2,184, a €1,886 spread on the same certified stone. Brilliant Earth lists it at €2,184. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611808
Dimensions11.10 × 5.54 × 3.47 mm
L/W Ratio2.00
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
11.10 mm5.54 mm1.22 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611808
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

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: Oct 30
Current: €2,184 EUR|Low: €299 EUR|High: €2,924 EUR|Avg: €952 EUR|-25.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 13
Retailer 14
Retailer 15
Retailer 16
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Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 14€299 EUR
Retailer 9€333 EUR
Retailer 4€346 EUR
Retailer 3€370 EUR
Retailer 19€370 EUR
Retailer 5€411 EUR
Retailer 16€508 EUR
Retailer 8€588 EUR
Retailer 17€597 EUR
Retailer 10€598 EUR
Retailer 15€636 EUR
Retailer 13€663 EUR
Retailer 21€721 EUR
Retailer 20€1,085 EUR
Retailer 12€1,182 EUR
Retailer 18€1,189 EUR
Retailer 7€1,228 EUR
Retailer 6€1,440 EUR
Retailer 11€1,447 EUR
Retailer 2€1,482 EUR
Brilliant Earth€2,184 EUR

38 data points across 21 retailers

21 retailers€299 EUR to €2,184 EUR

A
Cheapest Retailer
-
€299 EUR
$335 USD
A
Retailer 2
-
€333 EUR
$374 USD
View
Final sale: no returns
A
Retailer 3
-
€346 EUR
$388 USD
View
Retailer 4
-
€370 EUR
$415 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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€370 EUR
$415 USD
View
A
Retailer 6
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€411 EUR
HK$3,600 HKD
View
A
Retailer 7
-
€508 EUR
$570 USD
View
A
Retailer 8
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€588 EUR
$659 USD
View
A
Retailer 9
-
€597 EUR
View
A
Retailer 10
-
€598 EUR
$671 USD
View
A
Retailer 11
-
€636 EUR
ZAR 11,517 ZAR
View
A
Retailer 12
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€663 EUR
£585 GBP
View
B+
Retailer 13
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€721 EUR
$809 USD
View
B
Retailer 14
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€1,085 EUR
$1,217 USD
View
B+
Retailer 15
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€1,182 EUR
SGD 1,792 SGD
View
B+
Retailer 16
-
€1,189 EUR
$1,334 USD
View
B
Retailer 17
-
€1,228 EUR
$1,377 USD
View
B
Retailer 18
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€1,440 EUR
£1,272 GBP
View
B
Retailer 19
-
€1,447 EUR
$1,623 USD
View
B
Retailer 20
-
€1,482 EUR
£1,309 GBP
View
Most Expensive
B
Brilliant Earth
19074408A · Oct 31
€2,184 EUR
$2,450 USD
View
20 more retailers have this diamond
Prices start from €299 EURSave up to €1,886 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
€299 EUR