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Marquise|Lab Grown|IGI

1.22ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG784645164

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645164

Diamond specifications and retailer prices

From $206 USD
As of October 30, 2026
Save $2,099 USD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,305 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645164 or 784645164. Listed at 14 retailers as of October 28, 2026, with prices from $206 to $2,305, a $2,099 spread on the same certified stone. Rare Carat lists it at $2,305. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645164
Dimensions11.58 × 5.68 × 3.27 mm
L/W Ratio2.04
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
11.58 mm5.68 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645164
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 37.1°Culet: NoneDepth 57.6%

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: Oct 30
Current: $2,305 USD|Low: $206 USD|High: $2,719 USD|Avg: $1,247 USD|+6.2%
Rare Carat
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 18
October 30, 2026
Retailer 14$206 USD
Retailer 4$239 USD
Retailer 6$330 USD
Retailer 15$410 USD
Retailer 18$442 USD
Retailer 11$494 USD
Retailer 7$510 USD
Retailer 5$629 USD
Retailer 13$727 USD
Retailer 16$824 USD
Retailer 3$906 USD
Retailer 12$1,135 USD
Retailer 9$1,168 USD
Retailer 17$1,980 USD
Retailer 2$2,170 USD
Rare Carat$2,305 USD
Retailer 10$2,369 USD
Retailer 8$2,719 USD

26 data points across 18 retailers

14 retailers$206 USD to $2,305 USD

A+
Cheapest Retailer
-
$206 USD
A
Retailer 2
-
$239 USD
View
A
Retailer 3
-
$330 USD
View
Final sale: no returns
A
Retailer 4
-
$410 USD
View
A
Retailer 5
-
$442 USD
View
A
Retailer 6
-
$494 USD
€470 EUR
View
A
Retailer 7
-
$629 USD
View
A
Retailer 8
-
$727 USD
A$1,118 AUD
View
B+
Retailer 9
-
$824 USD
View
B+
Retailer 10
-
$906 USD
View
B+
Retailer 11
-
$1,135 USD
£894 GBP
View
B
Retailer 12
-
$1,980 USD
View
B
Retailer 13
-
$2,170 USD
View
Most Expensive
B
Rare Carat
B85-20B · Oct 28
$2,305 USD
View
13 more retailers have this diamond
Prices start from $206 USDSave up to $2,099 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
$206 USD