Heart|Lab Grown|IGI

1.22ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG831690456

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831690456

Diamond specifications and retailer prices

From $394 USD
As of November 4, 2026
Save $2,176 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,570 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.22ct lab-grown heart diamond

This 1.22ct lab-grown heart 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 LG831690456 or 831690456. Listed at 13 retailers as of November 4, 2026, with prices from $394 to $2,570, a $2,176 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
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831690456
Dimensions6.71 × 7.41 × 4.17 mm
L/W Ratio1.10
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
6.71 mm7.41 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831690456
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 56.3%

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 4
Current: $707 USD|Low: $394 USD|High: $1,711 USD|Avg: $973 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2$394 USD
Retailer 6$422 USD
Retailer 8$555 USD
Retailer 9$638 USD
Retailer 7$648 USD
Retailer 1$707 USD
Retailer 10$823 USD
Retailer 11$1,173 USD
Retailer 12$1,331 USD
Retailer 3$1,494 USD
Retailer 5$1,598 USD
Retailer 4$1,711 USD

4 data points across 12 retailers

13 retailers$394 USD to $2,570 USD

A
Cheapest Retailer
-
$394 USD
Final sale: no returns
A
Retailer 2
-
$422 USD
View
A
Retailer 3
-
$555 USD
View
A
Retailer 4
-
$638 USD
View
A
Retailer 5
-
$648 USD
View
A
Retailer 6
-
$707 USD
View
B+
Retailer 7
-
$823 USD
View
B+
Retailer 8
-
$1,173 USD
View
B
Retailer 9
-
$1,331 USD
View
B
Retailer 10
-
$1,494 USD
View
B
Retailer 11
-
$1,598 USD
View
B
Retailer 12
-
$1,711 USD
View
Most Expensive
B
Brilliant Earth
22439131A · Nov 4
$2,570 USD
View
12 more retailers have this diamond
Prices start from $394 USDSave up to $2,176 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 Heart
$394 USD