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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 $1,422 USD
As of October 29, 2026
Save $4,918 USD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,340 USD at Brilliant Earth · As of October 28, 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 24 retailers as of October 28, 2026, with prices from $1,422 to $6,340, a $4,918 spread on the same certified stone. Brilliant Earth lists it at $6,340. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631459350
Dimensions9.87 × 9.87 × 9.32 mm
L/W Ratio1.00
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
9.87 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,340 USD|Low: $318 USD|High: $6,340 USD|Avg: $3,198 USD
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
October 29, 2026
Retailer 12$1,422 USD
Retailer 13$1,645 USD
Retailer 5$1,783 USD
Retailer 2$2,077 USD
Retailer 16$2,218 USD
Retailer 11$2,367 USD
Retailer 7$2,496 USD
Retailer 4$2,747 USD
Retailer 17$3,141 USD
Retailer 15$3,334 USD
Retailer 10$3,423 USD
Retailer 6$3,813 USD
Retailer 3$4,050 USD
Retailer 9$4,610 USD
Retailer 14$4,742 USD
Retailer 8$5,172 USD
Brilliant Earth$6,340 USD

40 data points across 17 retailers

24 retailers$1,422 USD to $6,340 USD

Retailer 1
-
$1,271 USD
Price last confirmed 21 days ago
Retailer 2
-
$1,382 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$1,422 USD
View
Final sale: no returns
Retailer 4
-
$1,454 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$1,474 USD
View
Price last confirmed 26 days ago
Retailer 6
-
$1,474 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$1,645 USD
View
A
Retailer 8
-
$1,783 USD
View
A
Retailer 9
-
$2,077 USD
£1,635 GBP
View
Retailer 10
-
$2,135 USD
£1,681 GBP
View
Price last confirmed 17 days ago
A
Retailer 11
-
$2,218 USD
View
A
Retailer 12
-
$2,367 USD
€2,254 EUR
View
A
Retailer 13
-
$2,747 USD
View
Retailer 14
-
$2,763 USD
View
Price last confirmed 29 days ago
A
Retailer 15
-
$3,141 USD
View
Retailer 16
-
$3,334 USD
A$5,129 AUD
View
Price last confirmed 7 days ago
A
Retailer 17
-
$3,423 USD
ZAR 55,292 ZAR
View
B+
Retailer 18
-
$3,813 USD
View
B+
Retailer 19
-
$4,050 USD
View
B+
Retailer 20
-
$4,229 USD
View
B+
Retailer 21
-
$4,610 USD
View
B+
Retailer 22
-
$4,742 USD
£3,734 GBP
View
B+
Retailer 23
-
$5,172 USD
View
Most Expensive
B
Brilliant Earth
10240530A · Oct 28
$6,340 USD
View
23 more retailers have this diamond
Prices start from $1,422 USDSave up to $4,918 USD

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
$1,422 USD