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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 €1,273 EUR
$1,422 USD
As of October 31, 2026
Save €4,402 EUR (78%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €5,675 EUR at Brilliant Earth · As of October 31, 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 31, 2026, with prices from €1,273 to €5,675, a €4,402 spread on the same certified stone. Brilliant Earth lists it at €5,675. 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
Dimensions9.32 × 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €5,675 EUR|Low: €1,273 EUR|High: €5,675 EUR|Avg: €2,817 EUR
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 11€1,273 EUR
Retailer 5€1,319 EUR
Retailer 15€1,472 EUR
Retailer 6€1,596 EUR
Retailer 12€1,844 EUR
Retailer 18€1,985 EUR
Retailer 2€2,102 EUR
Retailer 8€2,234 EUR
Retailer 13€2,282 EUR
Retailer 3€2,811 EUR
Retailer 17€2,984 EUR
Retailer 14€3,064 EUR
Retailer 7€3,413 EUR
Retailer 4€3,625 EUR
Retailer 10€4,127 EUR
Retailer 16€4,245 EUR
Retailer 9€4,630 EUR
Brilliant Earth€5,675 EUR

39 data points across 18 retailers

25 retailers€1,273 EUR to €5,675 EUR

Retailer 1
-
€1,138 EUR
$1,271 USD
Price last confirmed 23 days ago
Retailer 2
-
€1,237 EUR
$1,382 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
€1,273 EUR
$1,422 USD
View
Final sale: no returns
Retailer 4
-
€1,301 EUR
$1,454 USD
View
Price last confirmed 36 days ago
Retailer 5
-
€1,319 EUR
$1,474 USD
View
Price last confirmed 28 days ago
Retailer 6
-
€1,319 EUR
$1,474 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
€1,472 EUR
$1,645 USD
View
A
Retailer 8
-
€1,596 EUR
$1,783 USD
View
A
Retailer 9
-
€1,844 EUR
£1,622 GBP
View
Retailer 10
-
€1,911 EUR
£1,681 GBP
View
Price last confirmed 19 days ago
A
Retailer 11
-
€1,985 EUR
$2,218 USD
View
A
Retailer 12
-
€2,102 EUR
View
A
Retailer 13
-
€2,282 EUR
$2,549 USD
View
A
Retailer 14
-
€2,459 EUR
$2,747 USD
View
Retailer 15
-
€2,473 EUR
$2,763 USD
View
Price last confirmed 31 days ago
A
Retailer 16
-
€2,811 EUR
$3,141 USD
View
Retailer 17
-
€2,984 EUR
A$5,129 AUD
View
Price last confirmed 9 days ago
A
Retailer 18
-
€3,064 EUR
ZAR 55,292 ZAR
View
B+
Retailer 19
-
€3,413 EUR
$3,813 USD
View
B+
Retailer 20
-
€3,625 EUR
$4,050 USD
View
B+
Retailer 21
-
€3,785 EUR
$4,229 USD
View
B+
Retailer 22
-
€4,127 EUR
$4,610 USD
View
B+
Retailer 23
-
€4,245 EUR
£3,734 GBP
View
B+
Retailer 24
-
€4,630 EUR
$5,172 USD
View
Most Expensive
B
Brilliant Earth
10240530A · Oct 31
€5,675 EUR
$6,340 USD
View
24 more retailers have this diamond
Prices start from €1,273 EURSave up to €4,402 EUR

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
€1,273 EUR