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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG768650525

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG768650525

Diamond specifications and retailer prices

From $1,139 NZD
As of November 4, 2026
Save $3,864 NZD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,215 NZD at Novita Diamonds · As of October 8, 2026
View at Novita 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 LG768650525 or 768650525. Listed at 12 retailers as of November 3, 2026, with a 339% 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

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768650525
Dimensions7.07 × 7.76 × 4.74 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
7.07 mm7.76 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768650525
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

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: $6,215 NZD|Low: $1,139 NZD|High: $6,215 NZD|Avg: $2,790 NZD|+2.9%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8$1,139 NZD
Retailer 10$1,284 NZD
Retailer 7$1,341 NZD
Retailer 2$1,522 NZD
Retailer 11$1,905 NZD
Retailer 4$2,061 NZD
Retailer 3$2,796 NZD
Retailer 9$2,968 NZD
Retailer 6$3,316 NZD
Retailer 5$5,003 NZD
Novita Diamonds$6,215 NZD

45 data points across 11 retailers

12 retailers$1,139 NZD to $5,003 NZD

A
Cheapest Retailer
-
$1,139 NZD
A
Retailer 2
-
$1,284 NZD
View
A
Retailer 3
-
$1,341 NZD
View
A
Retailer 4
-
$1,522 NZD
View
A
Retailer 5
-
$1,905 NZD
View
B+
Retailer 6
-
$2,061 NZD
View
B+
Retailer 7
-
$2,796 NZD
View
B+
Retailer 8
-
$2,968 NZD
View
B+
Retailer 9
-
$3,316 NZD
View
B
Retailer 10
-
$5,003 NZD
View
B
Retailer 11
-
$5,003 NZD
View
Most Expensive
Novita Diamonds
cert_768650525 · Oct 8
$6,215 NZD
A$5,390 AUD
View
Price last confirmed 27 days ago
11 more retailers have this diamond
Prices start from $1,139 NZDSave up to $3,864 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
$1,139 NZD