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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 $288 USD
As of November 2, 2026
Save $2,272 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,560 USD at Do Amore Diamonds · As of November 1, 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 1, 2026, with prices from $288 to $2,560, a $2,272 spread on the same certified stone. Do Amore Diamonds 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
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 2
Current: $2,560 USD|Low: $288 USD|High: $2,690 USD|Avg: $1,080 USD|-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
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 13$288 USD
Retailer 4$334 USD
Retailer 8$366 USD
Retailer 2$406 USD
Retailer 14$516 USD
Retailer 6$525 USD
Retailer 16$588 USD
Retailer 7$634 USD
Retailer 10$673 USD
Retailer 12$772 USD
Retailer 15$1,098 USD
Retailer 3$1,268 USD
Retailer 11$1,589 USD
Retailer 9$2,060 USD
Retailer 5$2,405 USD
Do Amore Diamonds$2,560 USD

40 data points across 16 retailers

16 retailers$288 USD to $2,560 USD

A+
Cheapest Retailer
-
$288 USD
A
Retailer 2
-
$334 USD
View
A
Retailer 3
-
$366 USD
View
Final sale: no returns
A
Retailer 4
-
$406 USD
£320 GBP
View
A
Retailer 5
-
$516 USD
View
A
Retailer 6
-
$525 USD
View
A
Retailer 7
-
$588 USD
View
A
Retailer 8
-
$634 USD
View
A
Retailer 9
-
$673 USD
€641 EUR
View
B+
Retailer 10
-
$772 USD
A$1,188 AUD
View
B+
Retailer 11
-
$1,098 USD
View
B+
Retailer 12
-
$1,268 USD
View
B+
Retailer 13
-
$1,589 USD
£1,251 GBP
View
B
Retailer 14
-
$2,060 USD
View
B
Retailer 15
-
$2,405 USD
View
Most Expensive
B
Do Amore Diamonds
27-CEB00F957 · Nov 1
$2,560 USD
View
15 more retailers have this diamond
Prices start from $288 USDSave up to $2,272 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
$288 USD