Heart|Lab Grown|IGI

1.53ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG830620125

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830620125

Diamond specifications and retailer prices

From $1,029 AUD
$721 USD
As of November 1, 2026
Save $4,222 AUD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,251 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830620125 or 830620125. Listed at 16 retailers as of November 1, 2026, with prices from $1,029 to $5,251, a $4,222 spread on the same certified stone. Brilliant Earth lists it at $5,251. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620125
Dimensions7.04 × 7.94 × 4.68 mm
L/W Ratio1.13
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
7.04 mm7.94 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620125
Side View
Table 57.0%Crown 36.8°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.9%

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 1
Current: $5,251 AUD|Low: $1,029 AUD|High: $5,251 AUD|Avg: $2,654 AUD
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
November 2, 2026
Retailer 10$1,029 AUD
Retailer 5$1,097 AUD
Retailer 6$1,196 AUD
Retailer 2$1,241 AUD
Retailer 13$1,348 AUD
Retailer 4$1,651 AUD
Retailer 9$1,755 AUD
Retailer 15$1,788 AUD
Retailer 14$2,804 AUD
Retailer 12$3,086 AUD
Retailer 8$3,613 AUD
Retailer 3$3,786 AUD
Retailer 7$4,299 AUD
Retailer 16$4,568 AUD
Retailer 11$4,623 AUD
Brilliant Earth$5,251 AUD

5 data points across 16 retailers

16 retailers$1,029 AUD to $5,251 AUD

A
Cheapest Retailer
-
$1,029 AUD
$721 USD
A
Retailer 2
-
$1,097 AUD
$769 USD
View
A
Retailer 3
-
$1,196 AUD
$838 USD
View
Final sale: no returns
A
Retailer 4
-
$1,241 AUD
£685 GBP
View
A
Retailer 5
-
$1,348 AUD
$945 USD
View
B+
Retailer 6
-
$1,651 AUD
$1,157 USD
View
B+
Retailer 7
-
$1,755 AUD
£969 GBP
View
B+
Retailer 8
-
$1,788 AUD
$1,253 USD
View
B+
Retailer 9
-
$2,804 AUD
$1,965 USD
View
B
Retailer 10
-
$3,086 AUD
$2,163 USD
View
B
Retailer 11
-
$3,613 AUD
$2,532 USD
View
B
Retailer 12
-
$3,786 AUD
$2,653 USD
View
B
Retailer 13
-
$4,299 AUD
SGD 4,071 SGD
View
B
Retailer 14
-
$4,568 AUD
$3,201 USD
View
B
Retailer 15
-
$4,623 AUD
£2,551 GBP
View
Most Expensive
B
Brilliant Earth
22348757A · Nov 2
$5,251 AUD
$3,680 USD
View
15 more retailers have this diamond
Prices start from $1,029 AUDSave up to $4,222 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
1.53ct Heart
$1,029 AUD