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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 $534 AUD
As of November 4, 2026
Save $2,351 AUD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,886 AUD 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 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 19 retailers as of November 4, 2026, with prices from $534 to $2,886, a $2,351 spread on the same certified stone. Brilliant Earth lists it at $2,886. 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
Colour
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

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: $2,886 AUD|Low: $521 AUD|High: $2,886 AUD|Avg: $1,350 AUD
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 5, 2026
Retailer 8$534 AUD
Retailer 12$599 AUD
Retailer 5$620 AUD
Retailer 16$663 AUD
Retailer 6$879 AUD
Retailer 4$889 AUD
Retailer 17$1,007 AUD
Retailer 14$1,061 AUD
Retailer 13$1,143 AUD
Retailer 7$1,176 AUD
Retailer 2$1,186 AUD
Retailer 11$1,860 AUD
Retailer 3$2,131 AUD
Retailer 9$2,186 AUD
Retailer 15$2,418 AUD
Retailer 10$2,583 AUD
Brilliant Earth$2,886 AUD

38 data points across 17 retailers

19 retailers$534 AUD to $2,886 AUD

A
Cheapest Retailer
-
$534 AUD
A
Retailer 2
-
$599 AUD
View
Final sale: no returns
A
Retailer 3
-
$620 AUD
View
A
Retailer 4
-
$663 AUD
View
Retailer 5
-
$673 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$879 AUD
View
A
Retailer 7
-
$889 AUD
View
B+
Retailer 8
-
$1,007 AUD
View
B+
Retailer 9
-
$1,061 AUD
View
B+
Retailer 10
-
$1,143 AUD
View
B+
Retailer 11
-
$1,176 AUD
View
B+
Retailer 12
-
$1,186 AUD
View
B+
Retailer 13
-
$1,677 AUD
View
B
Retailer 14
-
$1,860 AUD
View
B
Retailer 15
-
$2,131 AUD
View
B
Retailer 16
-
$2,186 AUD
View
B
Retailer 17
-
$2,418 AUD
View
B
Retailer 18
-
$2,583 AUD
View
Most Expensive
B
Brilliant Earth
11258394A · Nov 4
$2,886 AUD
$2,020 USD
View
18 more retailers have this diamond
Prices start from $534 AUDSave up to $2,351 AUD

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
$534 AUD