Marquise|Lab Grown|IGI

1.22ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG848608663

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG848608663

Diamond specifications and retailer prices

From $284 USD
As of November 4, 2026
Save $1,706 USD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,990 USD at Brilliant Earth · As of November 4, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG848608663 or 848608663. Listed at 11 retailers as of November 4, 2026, with prices from $284 to $1,990, a $1,706 spread on the same certified stone. Brilliant Earth lists it at $1,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848608663
Dimensions11.27 × 5.68 × 3.48 mm
L/W Ratio1.98
Girdle conditionFaceted
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
11.27 mm5.68 mm1.22 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848608663
Side View
Table 60.0%Crown 34.2°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 61.3%

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: Nov 4
Current: $1,990 USD|Low: $284 USD|High: $1,990 USD|Avg: $828 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 11$284 USD
Retailer 2$333 USD
Retailer 4$425 USD
Retailer 6$475 USD
Retailer 5$596 USD
Retailer 9$773 USD
Retailer 7$799 USD
Retailer 8$970 USD
Retailer 3$1,017 USD
Retailer 10$1,066 USD
Brilliant Earth$1,990 USD

2 data points across 11 retailers

11 retailers$284 USD to $1,990 USD

A
Cheapest Retailer
-
$284 USD
Final sale: no returns
A
Retailer 2
-
$333 USD
View
A
Retailer 3
-
$425 USD
View
A
Retailer 4
-
$475 USD
View
A
Retailer 5
-
$596 USD
View
B+
Retailer 6
-
$773 USD
View
B+
Retailer 7
-
$799 USD
View
B+
Retailer 8
-
$970 USD
View
B+
Retailer 9
-
$1,017 USD
View
B+
Retailer 10
-
$1,066 USD
View
Most Expensive
B
Brilliant Earth
22440438A · Nov 4
$1,990 USD
View
10 more retailers have this diamond
Prices start from $284 USDSave up to $1,706 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
$284 USD