Heart|Lab Grown|IGI

1.04ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG591351353

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591351353

Diamond specifications and retailer prices

From $653 NZD
As of November 4, 2026
Save $2,202 NZD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,417 NZD at Brilliant Earth · As of October 9, 2026
View at Brilliant Earth

About this 1.04ct lab-grown heart diamond

This 1.04ct 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 LG591351353 or 591351353. Listed at 20 retailers as of November 4, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591351353
Dimensions6.24 × 7.04 × 4.07 mm
L/W Ratio1.13
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
6.24 mm7.04 mm1.04 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591351353
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 57.8%

Caratlytics Score

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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: $4,417 NZD|Low: $564 NZD|High: $4,417 NZD|Avg: $1,451 NZD
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 9$564 NZD
Retailer 13$653 NZD
Retailer 7$729 NZD
Retailer 8$729 NZD
Retailer 11$733 NZD
Retailer 4$962 NZD
Retailer 14$985 NZD
Retailer 5$1,100 NZD
Retailer 3$1,137 NZD
Retailer 15$1,231 NZD
Retailer 2$1,263 NZD
Retailer 12$1,754 NZD
Retailer 16$2,095 NZD
Retailer 6$2,375 NZD
Retailer 17$2,574 NZD
Retailer 10$2,854 NZD
Brilliant Earth$4,417 NZD

38 data points across 17 retailers

20 retailers$653 NZD to $2,854 NZD

Retailer 1
-
$564 NZD
Price last confirmed 34 days ago
A
Retailer 2
-
$653 NZD
View
Final sale: no returns
Retailer 3
-
$683 NZD
View
Price last confirmed 37 days ago
Retailer 4
-
$729 NZD
View
Price last confirmed 33 days ago
Retailer 5
-
$729 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$733 NZD
View
A
Retailer 7
-
$962 NZD
View
A
Retailer 8
-
$985 NZD
View
B+
Retailer 9
-
$1,100 NZD
View
B+
Retailer 10
-
$1,137 NZD
View
B+
Retailer 11
-
$1,231 NZD
View
B+
Retailer 12
-
$1,263 NZD
View
B+
Retailer 13
-
$1,754 NZD
View
B
Retailer 14
-
$2,095 NZD
View
Retailer 15
-
$2,345 NZD
View
Price last confirmed 36 days ago
B
Retailer 16
-
$2,375 NZD
View
B
Retailer 17
-
$2,574 NZD
View
Retailer 18
-
$2,599 NZD
View
Price last confirmed 162 days ago
B
Retailer 19
-
$2,854 NZD
View
Most Expensive
Brilliant Earth
11242224A · Oct 9
$4,417 NZD
$2,490 USD
View
Price last confirmed 26 days ago
19 more retailers have this diamond
Prices start from $653 NZDSave up to $2,202 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
1.04ct Heart
$653 NZD