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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG836692198

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836692198

Diamond specifications and retailer prices

From $639 NZD
As of November 4, 2026
Save $4,435 NZD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,074 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 LG836692198 or 836692198. Listed at 14 retailers as of November 4, 2026, with prices from $639 to $5,074, a $4,435 spread on the same certified stone. Do Amore Diamonds lists it at $5,074. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836692198
Dimensions8.05 × 7.26 × 4.61 mm
L/W Ratio1.11
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
8.05 mm7.26 mm1.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836692198
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 57.3%

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: $5,074 NZD|Low: $639 NZD|High: $5,074 NZD|Avg: $1,973 NZD
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
November 5, 2026
Retailer 13$639 NZD
Retailer 8$825 NZD
Retailer 14$944 NZD
Retailer 10$985 NZD
Retailer 12$1,348 NZD
Retailer 2$1,394 NZD
Retailer 5$1,460 NZD
Retailer 9$1,838 NZD
Retailer 11$1,925 NZD
Retailer 4$2,723 NZD
Retailer 6$2,796 NZD
Retailer 3$2,856 NZD
Retailer 7$3,050 NZD
Do Amore Diamonds$5,074 NZD

16 data points across 14 retailers

14 retailers$639 NZD to $5,074 NZD

A
Cheapest Retailer
-
$639 NZD
Final sale: no returns
A
Retailer 2
-
$825 NZD
View
A
Retailer 3
-
$944 NZD
View
A
Retailer 4
-
$985 NZD
View
A
Retailer 5
-
$1,348 NZD
View
A
Retailer 6
-
$1,394 NZD
View
A
Retailer 7
-
$1,460 NZD
View
A
Retailer 8
-
$1,838 NZD
View
A
Retailer 9
-
$1,925 NZD
View
B+
Retailer 10
-
$2,723 NZD
View
B+
Retailer 11
-
$2,796 NZD
View
B+
Retailer 12
-
$2,856 NZD
View
B+
Retailer 13
-
$3,050 NZD
View
Most Expensive
B
Do Amore Diamonds
27-3913573C8 · Nov 4
$5,074 NZD
$2,860 USD
View
13 more retailers have this diamond
Prices start from $639 NZDSave up to $4,435 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
$639 NZD