Heart|Lab Grown|IGI

3.10ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG615341592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG615341592

Diamond specifications and retailer prices

From $2,155 AUD
As of November 3, 2026
Save $11,706 AUD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $13,861 AUD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 3.1ct lab-grown heart diamond

This 3.1ct 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 LG615341592 or 615341592. Listed at 24 retailers as of November 3, 2026, with prices from $2,155 to $13,861, a $11,706 spread on the same certified stone. Brilliant Earth lists it at $13,861. 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

3.10
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615341592
Dimensions9.44 × 9.86 × 5.81 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
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
9.44 mm9.86 mm3.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615341592
Side View
Table 59.0%Crown 36.3°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 58.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $13,861 AUD|Low: $2,155 AUD|High: $18,013 AUD|Avg: $5,617 AUD|-23.1%
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
November 4, 2026
Retailer 13$2,155 AUD
Retailer 14$2,477 AUD
Retailer 8$2,666 AUD
Retailer 10$3,149 AUD
Retailer 7$3,358 AUD
Retailer 2$3,561 AUD
Retailer 15$3,757 AUD
Retailer 3$4,402 AUD
Retailer 12$5,043 AUD
Retailer 9$5,191 AUD
Retailer 5$5,785 AUD
Retailer 4$6,144 AUD
Retailer 16$6,939 AUD
Retailer 11$7,175 AUD
Retailer 6$7,847 AUD
Brilliant Earth$13,861 AUD

33 data points across 16 retailers

24 retailers$2,155 AUD to $13,861 AUD

Retailer 1
-
$2,010 AUD
Price last confirmed 27 days ago
A
Retailer 2
-
$2,155 AUD
View
Final sale: no returns
Retailer 3
-
$2,248 AUD
View
Price last confirmed 36 days ago
Retailer 4
-
$2,331 AUD
View
Price last confirmed 32 days ago
Retailer 5
-
$2,331 AUD
View
Price last confirmed 23 days ago
Retailer 6
-
$2,364 AUD
View
Price last confirmed 40 days ago
A
Retailer 7
-
$2,477 AUD
View
A
Retailer 8
-
$2,666 AUD
View
A
Retailer 9
-
$3,149 AUD
View
A
Retailer 10
-
$3,358 AUD
View
A
Retailer 11
-
$3,561 AUD
View
A
Retailer 12
-
$3,757 AUD
View
Retailer 13
-
$4,231 AUD
View
Price last confirmed 9 days ago
Retailer 14
-
$4,370 AUD
View
Price last confirmed 30 days ago
A
Retailer 15
-
$4,402 AUD
View
A
Retailer 16
-
$5,043 AUD
View
A
Retailer 17
-
$5,191 AUD
View
B+
Retailer 18
-
$5,785 AUD
View
B+
Retailer 19
-
$6,020 AUD
View
B+
Retailer 20
-
$6,144 AUD
View
B+
Retailer 21
-
$6,939 AUD
View
B+
Retailer 22
-
$7,175 AUD
View
B+
Retailer 23
-
$7,847 AUD
View
Most Expensive
B
Brilliant Earth
9264978A · Nov 3
$13,861 AUD
$9,680 USD
View
23 more retailers have this diamond
Prices start from $2,155 AUDSave up to $11,706 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
3.10ct Heart
$2,155 AUD