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Marquise|Lab Grown|IGI

1.22ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG792676478

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG792676478

Diamond specifications and retailer prices

From $486 USD
HK$3,800 HKD
As of November 1, 2026
Save $2,084 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,570 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG792676478 or 792676478. Listed at 13 retailers as of November 1, 2026, with prices from $486 to $2,570, a $2,084 spread on the same certified stone. Brilliant Earth lists it at $2,570. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792676478
Dimensions10.94 × 5.63 × 3.53 mm
L/W Ratio1.94
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 mm5.63 mm1.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792676478
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
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 1
Current: $2,570 USD|Low: $476 USD|High: $3,010 USD|Avg: $1,141 USD|-14.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$476 USD
Retailer 12$486 USD
Retailer 7$605 USD
Retailer 8$687 USD
Retailer 3$762 USD
Retailer 2$767 USD
Retailer 5$801 USD
Retailer 10$817 USD
Retailer 11$1,470 USD
Retailer 9$1,616 USD
Retailer 6$1,737 USD
Brilliant Earth$2,570 USD

41 data points across 12 retailers

13 retailers$486 USD to $2,570 USD

Retailer 1
-
$476 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$486 USD
HK$3,800 HKD
View
A
Retailer 3
-
$605 USD
View
A
Retailer 4
-
$687 USD
View
Retailer 5
-
$762 USD
€726 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
$767 USD
ZAR 12,386 ZAR
View
A
Retailer 7
-
$801 USD
£631 GBP
View
B+
Retailer 8
-
$817 USD
View
B
Retailer 9
-
$1,470 USD
View
B
Retailer 10
-
$1,616 USD
View
B+
Retailer 11
-
$1,737 USD
£1,368 GBP
View
Retailer 12
-
$2,376 USD
View
Price last confirmed 113 days ago
Most Expensive
B
Brilliant Earth
19357120A · Nov 2
$2,570 USD
View
12 more retailers have this diamond
Prices start from $486 USDSave up to $2,084 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
$486 USD