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Heart|Lab Grown|IGI

1.22ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837646991

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837646991

Diamond specifications and retailer prices

From $458 NZD
As of November 4, 2026
Save $3,605 NZD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,062 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG837646991 or 837646991. Listed at 13 retailers as of November 4, 2026, with prices from $458 to $4,062, a $3,605 spread on the same certified stone. Do Amore Diamonds lists it at $4,062. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837646991
Dimensions7.21 × 6.32 × 4.63 mm
L/W Ratio1.14
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
7.21 mm6.32 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837646991
Side View
Table 56.0%Crown 34.4°Girdle: STK-THKPavilion 41.9°Culet: NoneDepth 64.2%

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: $4,062 NZD|Low: $449 NZD|High: $4,151 NZD|Avg: $1,864 NZD|-2.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 10$458 NZD
Retailer 2$644 NZD
Retailer 8$887 NZD
Retailer 12$946 NZD
Retailer 4$1,111 NZD
Retailer 5$1,465 NZD
Retailer 6$1,538 NZD
Retailer 11$1,744 NZD
Retailer 13$2,015 NZD
Retailer 7$2,512 NZD
Retailer 9$3,005 NZD
Retailer 3$3,530 NZD
Do Amore Diamonds$4,062 NZD

33 data points across 13 retailers

13 retailers$458 NZD to $4,062 NZD

A
Cheapest Retailer
-
$458 NZD
A
Retailer 2
-
$644 NZD
View
A
Retailer 3
-
$887 NZD
View
A
Retailer 4
-
$946 NZD
View
A
Retailer 5
-
$1,111 NZD
View
B+
Retailer 6
-
$1,465 NZD
View
B+
Retailer 7
-
$1,538 NZD
View
B+
Retailer 8
-
$1,744 NZD
View
B+
Retailer 9
-
$2,015 NZD
View
B+
Retailer 10
-
$2,512 NZD
View
B
Retailer 11
-
$3,005 NZD
View
B
Retailer 12
-
$3,530 NZD
View
Most Expensive
B
Do Amore Diamonds
27-4A63AF22A · Nov 4
$4,062 NZD
$2,290 USD
View
12 more retailers have this diamond
Prices start from $458 NZDSave up to $3,605 NZD

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
$458 NZD