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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG841678790

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841678790

Diamond specifications and retailer prices

From $653 NZD
As of November 4, 2026
Save $5,148 NZD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,801 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841678790 or 841678790. Listed at 16 retailers as of November 4, 2026, with prices from $653 to $5,801, a $5,148 spread on the same certified stone. Do Amore Diamonds lists it at $5,801. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678790
Dimensions7.54 × 7.71 × 4.65 mm
L/W Ratio1.02
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
7.54 mm7.71 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678790
Side View
Table 59.0%Crown 33.2°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A+
Exceptional
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: $5,801 NZD|Low: $653 NZD|High: $5,925 NZD|Avg: $2,399 NZD|+0.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 15$653 NZD
Retailer 5$757 NZD
Retailer 11$942 NZD
Retailer 16$1,102 NZD
Retailer 14$1,162 NZD
Retailer 3$1,297 NZD
Retailer 12$1,458 NZD
Retailer 7$1,506 NZD
Retailer 10$2,084 NZD
Retailer 17$2,375 NZD
Retailer 4$2,874 NZD
Retailer 8$3,346 NZD
Retailer 2$3,482 NZD
Retailer 9$4,142 NZD
Retailer 13$4,967 NZD
Retailer 6$4,985 NZD
Do Amore Diamonds$5,801 NZD

29 data points across 17 retailers

16 retailers$653 NZD to $5,801 NZD

A+
Cheapest Retailer
-
$653 NZD
A
Retailer 2
-
$757 NZD
View
A
Retailer 3
-
$942 NZD
View
A
Retailer 4
-
$1,102 NZD
View
A
Retailer 5
-
$1,162 NZD
View
A
Retailer 6
-
$1,297 NZD
View
A
Retailer 7
-
$1,458 NZD
View
A
Retailer 8
-
$1,506 NZD
View
A
Retailer 9
-
$2,084 NZD
View
B+
Retailer 10
-
$2,375 NZD
View
B+
Retailer 11
-
$2,874 NZD
View
Retailer 12
-
$3,346 NZD
View
Price last confirmed 20 days ago
B+
Retailer 13
-
$3,482 NZD
View
B
Retailer 14
-
$4,967 NZD
View
B
Retailer 15
-
$4,985 NZD
View
Most Expensive
B
Do Amore Diamonds
27-99015717E · Nov 4
$5,801 NZD
$3,270 USD
View
15 more retailers have this diamond
Prices start from $653 NZDSave up to $5,148 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+
1.54ct Heart
$653 NZD