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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 $917 AUD
As of November 4, 2026
Save $3,111 AUD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,005 AUD 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 4, 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: $5,005 AUD|Low: $917 AUD|High: $5,005 AUD|Avg: $2,247 AUD|+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$917 AUD
Retailer 10$1,034 AUD
Retailer 7$1,080 AUD
Retailer 4$1,226 AUD
Retailer 11$1,534 AUD
Retailer 5$1,660 AUD
Retailer 3$2,251 AUD
Retailer 9$2,390 AUD
Retailer 6$2,670 AUD
Retailer 2$4,028 AUD
Novita Diamonds$5,005 AUD

45 data points across 11 retailers

12 retailers$917 AUD to $4,028 AUD

A
Cheapest Retailer
-
$917 AUD
A
Retailer 2
-
$1,034 AUD
View
A
Retailer 3
-
$1,080 AUD
View
A
Retailer 4
-
$1,226 AUD
View
A
Retailer 5
-
$1,534 AUD
View
B+
Retailer 6
-
$1,660 AUD
View
B+
Retailer 7
-
$2,251 AUD
View
B+
Retailer 8
-
$2,390 AUD
View
B+
Retailer 9
-
$2,670 AUD
View
B
Retailer 10
-
$4,028 AUD
View
B
Retailer 11
-
$4,028 AUD
View
Most Expensive
Novita Diamonds
cert_768650525 · Oct 8
$5,005 AUD
View
Price last confirmed 28 days ago
11 more retailers have this diamond
Prices start from $917 AUDSave up to $3,111 AUD

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
$917 AUD