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Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG816624834

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG816624834

Diamond specifications and retailer prices

From $553 AUD
$386 USD
As of November 3, 2026
Save $2,870 AUD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,422 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.03ct lab-grown heart diamond

This 1.03ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816624834 or 816624834. Listed at 19 retailers as of November 2, 2026, with prices from $553 to $3,422, a $2,870 spread on the same certified stone. Brilliant Earth lists it at $3,422. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816624834
Dimensions6.95 × 6.42 × 3.95 mm
L/W Ratio1.08
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
6.95 mm6.42 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816624834
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 56.8%

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 3
Current: $3,422 AUD|Low: $553 AUD|High: $3,880 AUD|Avg: $1,578 AUD|-11.8%
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
November 3, 2026
Retailer 4$553 AUD
Retailer 6$730 AUD
Retailer 10$831 AUD
Retailer 12$866 AUD
Retailer 14$886 AUD
Retailer 9$989 AUD
Retailer 7$1,060 AUD
Retailer 2$1,093 AUD
Retailer 3$1,398 AUD
Retailer 11$1,512 AUD
Retailer 5$2,036 AUD
Retailer 13$2,377 AUD
Retailer 8$2,402 AUD
Brilliant Earth$3,422 AUD

35 data points across 14 retailers

19 retailers$553 AUD to $3,422 AUD

A
Cheapest Retailer
-
$553 AUD
$386 USD
Final sale: no returns
Retailer 2
-
$589 AUD
$411 USD
View
Price last confirmed 26 days ago
Retailer 3
-
$660 AUD
$461 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$720 AUD
$503 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$730 AUD
$510 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$730 AUD
$510 USD
View
Price last confirmed 22 days ago
A
Retailer 7
-
$831 AUD
$580 USD
View
B+
Retailer 8
-
$866 AUD
$605 USD
View
B+
Retailer 9
-
$886 AUD
$619 USD
View
B+
Retailer 10
-
$989 AUD
€658 EUR
View
B+
Retailer 11
-
$1,060 AUD
ZAR 11,957 ZAR
View
B+
Retailer 12
-
$1,093 AUD
£601 GBP
View
B+
Retailer 13
-
$1,398 AUD
$976 USD
View
B+
Retailer 14
-
$1,512 AUD
$1,056 USD
View
B
Retailer 15
-
$2,036 AUD
$1,422 USD
View
Retailer 16
-
$2,347 AUD
$1,639 USD
View
Price last confirmed 33 days ago
B
Retailer 17
-
$2,377 AUD
$1,660 USD
View
B
Retailer 18
-
$2,402 AUD
£1,321 GBP
View
Most Expensive
B
Brilliant Earth
21019228A · Nov 2
$3,422 AUD
$2,390 USD
View
18 more retailers have this diamond
Prices start from $553 AUDSave up to $2,870 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
1.03ct Heart
$553 AUD