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Heart|Lab Grown|IGI

1.16ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818681473

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818681473

Diamond specifications and retailer prices

From $413 AUD
As of November 4, 2026
Save $3,250 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,664 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.16ct lab-grown heart diamond

This 1.16ct 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 LG818681473 or 818681473. Listed at 11 retailers as of November 4, 2026, with prices from $413 to $3,664, a $3,250 spread on the same certified stone. Do Amore Diamonds lists it at $3,664. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.16
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681473
Dimensions6.40 × 7.18 × 4.40 mm
L/W Ratio1.12
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
6.40 mm7.18 mm1.16 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681473
Side View
Table 56.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.3%

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 4
Current: $3,664 AUD|Low: $413 AUD|High: $5,360 AUD|Avg: $1,893 AUD|-31.6%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7$413 AUD
Retailer 11$479 AUD
Retailer 5$748 AUD
Retailer 3$830 AUD
Retailer 9$842 AUD
Retailer 12$1,294 AUD
Retailer 8$1,572 AUD
Retailer 10$1,816 AUD
Retailer 2$2,257 AUD
Retailer 6$3,008 AUD
Retailer 4$3,408 AUD
Do Amore Diamonds$3,664 AUD

26 data points across 12 retailers

11 retailers$413 AUD to $3,664 AUD

A
Cheapest Retailer
-
$413 AUD
A
Retailer 2
-
$479 AUD
View
A
Retailer 3
-
$748 AUD
View
A
Retailer 4
-
$830 AUD
View
A
Retailer 5
-
$842 AUD
View
B+
Retailer 6
-
$1,294 AUD
View
B
Retailer 7
-
$1,572 AUD
View
B+
Retailer 8
-
$1,816 AUD
View
B+
Retailer 9
-
$2,257 AUD
View
B
Retailer 10
-
$3,008 AUD
View
Most Expensive
B
Do Amore Diamonds
27-E1364BCC6 · Nov 4
$3,664 AUD
$2,570 USD
View
10 more retailers have this diamond
Prices start from $413 AUDSave up to $3,250 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
1.16ct Heart
$413 AUD