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Marquise|Lab Grown|IGI

1.22ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG742544024

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG742544024

Diamond specifications and retailer prices

From $446 USD
As of November 2, 2026
Save $2,114 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,560 USD at Brilliant Earth · As of November 2, 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 LG742544024 or 742544024. Listed at 23 retailers as of November 2, 2026, with prices from $446 to $2,560, a $2,114 spread on the same certified stone. Brilliant Earth lists it at $2,560. 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 angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742544024
Dimensions11.01 × 5.53 × 3.48 mm
L/W Ratio1.99
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
11.01 mm5.53 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742544024
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.9%

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 2
Current: $2,560 USD|Low: $446 USD|High: $2,980 USD|Avg: $1,217 USD|-14.1%
Brilliant Earth
Retailer 2
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Retailer 23
November 2, 2026
Retailer 16$446 USD
Retailer 11$498 USD
Retailer 7$499 USD
Retailer 5$553 USD
Retailer 23$553 USD
Retailer 6$602 USD
Retailer 19$695 USD
Retailer 20$776 USD
Retailer 10$779 USD
Retailer 4$848 USD
Retailer 12$868 USD
Retailer 13$907 USD
Retailer 2$954 USD
Retailer 18$1,347 USD
Retailer 3$1,486 USD
Retailer 21$1,535 USD
Retailer 9$1,615 USD
Retailer 15$1,756 USD
Retailer 22$1,777 USD
Retailer 8$1,810 USD
Retailer 14$1,978 USD
Retailer 17$2,031 USD
Brilliant Earth$2,560 USD

37 data points across 23 retailers

23 retailers$446 USD to $2,560 USD

A
Cheapest Retailer
-
$446 USD
A
Retailer 2
-
$498 USD
View
Final sale: no returns
A
Retailer 3
-
$499 USD
View
Retailer 4
-
$553 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$553 USD
View
A
Retailer 6
-
$602 USD
HK$4,700 HKD
View
A
Retailer 7
-
$695 USD
View
B+
Retailer 8
-
$776 USD
€739 EUR
View
B+
Retailer 9
-
$779 USD
View
B+
Retailer 10
-
$848 USD
View
B+
Retailer 11
-
$868 USD
View
B+
Retailer 12
-
$907 USD
£714 GBP
View
B+
Retailer 13
-
$954 USD
ZAR 15,404 ZAR
View
B+
Retailer 14
-
$1,347 USD
A$2,073 AUD
View
B
Retailer 15
-
$1,486 USD
View
B+
Retailer 16
-
$1,535 USD
View
B
Retailer 17
-
$1,615 USD
£1,272 GBP
View
B
Retailer 18
-
$1,756 USD
SGD 2,373 SGD
View
B
Retailer 19
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$1,777 USD
View
B
Retailer 20
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$1,810 USD
View
B
Retailer 21
-
$1,978 USD
View
B
Retailer 22
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$2,031 USD
£1,599 GBP
View
Most Expensive
B
Brilliant Earth
19056503A · Nov 2
$2,560 USD
View
22 more retailers have this diamond
Prices start from $446 USDSave up to $2,114 USD

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
$446 USD