Heart|Lab Grown|IGI

1.22ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG627490059

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG627490059

Diamond specifications and retailer prices

From $374 USD
As of November 2, 2026
Save $1,646 USD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,020 USD at Brilliant Earth · As of November 2, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG627490059 or 627490059. Listed at 18 retailers as of November 2, 2026, with prices from $374 to $2,020, a $1,646 spread on the same certified stone. Brilliant Earth lists it at $2,020. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627490059
Dimensions6.77 × 7.47 × 4.22 mm
L/W Ratio1.10
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
6.77 mm7.47 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627490059
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 56.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $2,020 USD|Low: $365 USD|High: $2,020 USD|Avg: $931 USD
Brilliant Earth
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
Retailer 17
November 4, 2026
Retailer 8$374 USD
Retailer 10$419 USD
Retailer 5$434 USD
Retailer 16$464 USD
Retailer 6$615 USD
Retailer 4$622 USD
Retailer 17$705 USD
Retailer 14$743 USD
Retailer 13$800 USD
Retailer 7$823 USD
Retailer 2$830 USD
Retailer 12$1,174 USD
Retailer 3$1,492 USD
Retailer 9$1,530 USD
Retailer 15$1,693 USD
Retailer 11$1,813 USD
Brilliant Earth$2,020 USD

38 data points across 17 retailers

18 retailers$374 USD to $2,020 USD

A
Cheapest Retailer
-
$374 USD
A
Retailer 2
-
$419 USD
View
Final sale: no returns
A
Retailer 3
-
$434 USD
View
A
Retailer 4
-
$464 USD
View
Retailer 5
-
$471 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$615 USD
View
A
Retailer 7
-
$622 USD
View
B+
Retailer 8
-
$705 USD
View
B+
Retailer 9
-
$743 USD
View
B+
Retailer 10
-
$800 USD
View
B+
Retailer 11
-
$823 USD
View
B+
Retailer 12
-
$830 USD
View
B+
Retailer 13
-
$1,174 USD
View
B
Retailer 14
-
$1,492 USD
View
B
Retailer 15
-
$1,530 USD
View
B
Retailer 16
-
$1,693 USD
View
B
Retailer 17
-
$1,813 USD
View
Most Expensive
B
Brilliant Earth
11258394A · Nov 2
$2,020 USD
View
17 more retailers have this diamond
Prices start from $374 USDSave up to $1,646 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
$374 USD