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Heart|Lab Grown|IGI

1.03ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818671734

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818671734

Diamond specifications and retailer prices

From $553 AUD
$386 USD
As of November 3, 2026
Save $1,850 AUD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,402 AUD at MOH London · As of November 3, 2026
View at MOH London

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 LG818671734 or 818671734. Listed at 18 retailers as of November 3, 2026, with prices from $553 to $2,402, a $1,850 spread on the same certified stone. MOH London lists it at $2,402. 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 angle34.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818671734
Dimensions6.33 × 6.96 × 4.06 mm
L/W Ratio1.10
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
6.33 mm6.96 mm1.03 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818671734
Side View
Table 58.0%Crown 34.6°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 58.3%

Caratlytics Score

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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: $2,402 AUD|Low: $553 AUD|High: $2,762 AUD|Avg: $1,456 AUD|-12.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 3$553 AUD
Retailer 5$743 AUD
Retailer 8$831 AUD
Retailer 10$866 AUD
Retailer 12$886 AUD
Retailer 7$989 AUD
Retailer 6$1,060 AUD
Retailer 2$1,093 AUD
Retailer 13$1,398 AUD
Retailer 9$1,512 AUD
Retailer 4$2,036 AUD
Retailer 11$2,377 AUD
MOH London$2,402 AUD

38 data points across 13 retailers

18 retailers$553 AUD to $2,402 AUD

A
Cheapest Retailer
-
$553 AUD
$386 USD
Final sale: no returns
Retailer 2
-
$597 AUD
$417 USD
View
Price last confirmed 26 days ago
Retailer 3
-
$672 AUD
$469 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$733 AUD
$512 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$740 AUD
$517 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$740 AUD
$517 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
B
Retailer 16
-
$2,377 AUD
$1,660 USD
View
Retailer 17
-
$2,380 AUD
$1,662 USD
View
Price last confirmed 29 days ago
Most Expensive
B
MOH London
LG818671734 · Nov 3
$2,402 AUD
£1,321 GBP
View
17 more retailers have this diamond
Prices start from $553 AUDSave up to $1,850 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