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Heart|Lab Grown|IGI

3.09ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG823673551

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823673551

Diamond specifications and retailer prices

From $1,987 AUD
As of November 3, 2026
Save $12,847 AUD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $14,834 AUD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG823673551 or 823673551. Listed at 11 retailers as of November 3, 2026, with prices from $1,987 to $14,834, a $12,847 spread on the same certified stone. Do Amore Diamonds lists it at $14,834. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823673551
Dimensions10.10 × 9.04 × 5.80 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
10.10 mm9.04 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823673551
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 57.4%

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: $14,834 AUD|Low: $1,734 AUD|High: $17,813 AUD|Avg: $5,781 AUD|+6.0%
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
Retailer 13
Retailer 14
Retailer 15
November 3, 2026
Retailer 7$1,734 AUD
Retailer 2$1,987 AUD
Retailer 3$2,030 AUD
Retailer 12$2,212 AUD
Retailer 14$2,824 AUD
Retailer 15$2,848 AUD
Retailer 8$3,774 AUD
Retailer 4$3,817 AUD
Retailer 5$4,505 AUD
Retailer 10$4,827 AUD
Retailer 13$5,871 AUD
Retailer 9$6,867 AUD
Retailer 6$9,418 AUD
Retailer 11$12,830 AUD
Do Amore Diamonds$14,834 AUD

24 data points across 15 retailers

11 retailers$1,987 AUD to $14,834 AUD

A
Cheapest Retailer
-
$1,987 AUD
A
Retailer 2
-
$2,030 AUD
View
Final sale: no returns
A
Retailer 3
-
$2,212 AUD
View
A
Retailer 4
-
$2,824 AUD
View
A
Retailer 5
-
$2,848 AUD
View
A
Retailer 6
-
$3,774 AUD
View
A
Retailer 7
-
$4,827 AUD
View
B+
Retailer 8
-
$5,871 AUD
View
B+
Retailer 9
-
$6,867 AUD
View
B
Retailer 10
-
$12,830 AUD
View
Most Expensive
B
Do Amore Diamonds
27-85C6602FC · Nov 3
$14,834 AUD
$10,360 USD
View
10 more retailers have this diamond
Prices start from $1,987 AUDSave up to $12,847 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
3.09ct Heart
$1,987 AUD