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Heart|Lab Grown|IGI

1.53ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG797643633

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797643633

Diamond specifications and retailer prices

From $1,174 AUD
$825 USD
As of November 2, 2026
Save $5,815 AUD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,990 AUD at Brilliant Earth · As of October 31, 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 LG797643633 or 797643633. Listed at 20 retailers as of October 31, 2026, with prices from $1,174 to $6,990, a $5,815 spread on the same certified stone. Brilliant Earth lists it at $6,990. 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 angle34.6°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643633
Dimensions6.86 × 8.07 × 4.64 mm
L/W Ratio1.18
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
6.86 mm8.07 mm1.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643633
Side View
Table 56.0%Crown 34.6°Girdle: STK-THKPavilion 37.3°Culet: NoneDepth 57.5%

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 2
Current: $6,990 AUD|Low: $1,174 AUD|High: $6,990 AUD|Avg: $2,879 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 9$1,174 AUD
Retailer 16$1,277 AUD
Retailer 6$1,362 AUD
Retailer 20$1,362 AUD
Retailer 7$1,405 AUD
Retailer 8$1,547 AUD
Retailer 18$1,616 AUD
Retailer 5$1,694 AUD
Retailer 19$1,725 AUD
Retailer 12$1,950 AUD
Retailer 2$2,092 AUD
Retailer 14$2,503 AUD
Retailer 17$3,130 AUD
Retailer 10$3,829 AUD
Retailer 15$4,262 AUD
Retailer 3$4,537 AUD
Retailer 11$4,716 AUD
Retailer 4$5,133 AUD
Retailer 13$6,510 AUD
Brilliant Earth$6,990 AUD

21 data points across 20 retailers

20 retailers$1,174 AUD to $6,990 AUD

A
Cheapest Retailer
-
$1,174 AUD
$825 USD
A
Retailer 2
-
$1,277 AUD
$897 USD
View
A
Retailer 3
-
$1,362 AUD
$957 USD
View
Retailer 4
-
$1,362 AUD
$957 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,405 AUD
$987 USD
View
Final sale: no returns
Retailer 6
-
$1,547 AUD
£856 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
$1,616 AUD
$1,135 USD
View
B+
Retailer 8
-
$1,694 AUD
$1,190 USD
View
B+
Retailer 9
-
$1,725 AUD
$1,212 USD
View
B+
Retailer 10
-
$1,950 AUD
$1,370 USD
View
B+
Retailer 11
-
$2,092 AUD
£1,157 GBP
View
B+
Retailer 12
-
$2,503 AUD
ZAR 28,409 ZAR
View
B
Retailer 13
-
$3,130 AUD
$2,199 USD
View
B
Retailer 14
-
$3,829 AUD
$2,690 USD
View
B
Retailer 15
-
$4,262 AUD
$2,994 USD
View
B
Retailer 16
-
$4,537 AUD
$3,187 USD
View
B
Retailer 17
-
$4,716 AUD
$3,313 USD
View
B
Retailer 18
-
$5,133 AUD
£2,839 GBP
View
B
Retailer 19
-
$6,510 AUD
$4,573 USD
View
Most Expensive
B
Brilliant Earth
21767800A · Oct 31
$6,990 AUD
$4,910 USD
View
19 more retailers have this diamond
Prices start from $1,174 AUDSave up to $5,815 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
$1,174 AUD