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Heart|Lab Grown|IGI

3.09ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG631459350

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG631459350

Diamond specifications and retailer prices

From $2,342 AUD
$1,645 USD
As of October 31, 2026
Save $6,684 AUD (74%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $9,026 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG631459350 or 631459350. Listed at 25 retailers as of October 30, 2026, with prices from $2,342 to $9,026, a $6,684 spread on the same certified stone. Brilliant Earth lists it at $9,026. 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
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631459350
Dimensions9.32 × 9.87 × 5.95 mm
L/W Ratio1.06
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
9.32 mm9.87 mm3.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631459350
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $9,026 AUD|Low: $453 AUD|High: $9,026 AUD|Avg: $4,474 AUD
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 5$2,098 AUD
Retailer 15$2,342 AUD
Retailer 6$2,538 AUD
Retailer 2$2,932 AUD
Retailer 12$3,062 AUD
Retailer 18$3,158 AUD
Retailer 14$3,369 AUD
Retailer 8$3,554 AUD
Retailer 11$3,629 AUD
Retailer 3$4,472 AUD
Retailer 17$4,746 AUD
Retailer 13$4,872 AUD
Retailer 7$5,429 AUD
Retailer 4$5,766 AUD
Retailer 10$6,563 AUD
Retailer 16$6,751 AUD
Retailer 9$7,363 AUD
Brilliant Earth$9,026 AUD

40 data points across 18 retailers

25 retailers$2,342 AUD to $9,026 AUD

Retailer 1
-
$1,809 AUD
$1,271 USD
Price last confirmed 23 days ago
Retailer 2
-
$1,967 AUD
$1,382 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$2,070 AUD
$1,454 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$2,098 AUD
$1,474 USD
View
Price last confirmed 28 days ago
Retailer 5
-
$2,098 AUD
$1,474 USD
View
Price last confirmed 18 days ago
A
Retailer 6
-
$2,342 AUD
$1,645 USD
View
A
Retailer 7
-
$2,538 AUD
$1,783 USD
View
A
Retailer 8
-
$2,932 AUD
£1,622 GBP
View
Retailer 9
-
$3,040 AUD
£1,681 GBP
View
Price last confirmed 19 days ago
A
Retailer 10
-
$3,062 AUD
$2,151 USD
View
Final sale: no returns
A
Retailer 11
-
$3,158 AUD
$2,218 USD
View
A
Retailer 12
-
$3,369 AUD
€2,254 EUR
View
A
Retailer 13
-
$3,629 AUD
$2,549 USD
View
A
Retailer 14
-
$3,911 AUD
$2,747 USD
View
Retailer 15
-
$3,933 AUD
$2,763 USD
View
Price last confirmed 30 days ago
A
Retailer 16
-
$4,472 AUD
$3,141 USD
View
Retailer 17
-
$4,746 AUD
View
Price last confirmed 9 days ago
A
Retailer 18
-
$4,872 AUD
ZAR 55,292 ZAR
View
B+
Retailer 19
-
$5,429 AUD
$3,813 USD
View
B+
Retailer 20
-
$5,766 AUD
$4,050 USD
View
B+
Retailer 21
-
$6,020 AUD
$4,229 USD
View
B+
Retailer 22
-
$6,563 AUD
$4,610 USD
View
B+
Retailer 23
-
$6,751 AUD
£3,734 GBP
View
B+
Retailer 24
-
$7,363 AUD
$5,172 USD
View
Most Expensive
B
Brilliant Earth
10240530A · Oct 30
$9,026 AUD
$6,340 USD
View
24 more retailers have this diamond
Prices start from $2,342 AUDSave up to $6,684 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
$2,342 AUD