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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 €1,269 EUR
$1,418 USD
As of October 31, 2026
Save €8,004 EUR (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €9,273 EUR at Do Amore Diamonds · As of October 30, 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 October 30, 2026, with prices from €1,269 to €9,273, a €8,004 spread on the same certified stone. Do Amore Diamonds lists it at €9,273. 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
Color
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

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A+
Exceptional
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: €9,273 EUR|Low: €1,084 EUR|High: €11,135 EUR|Avg: €3,652 EUR|+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
October 30, 2026
Retailer 7€1,084 EUR
Retailer 3€1,269 EUR
Retailer 11€1,383 EUR
Retailer 8€1,595 EUR
Retailer 13€1,765 EUR
Retailer 15€1,781 EUR
Retailer 14€2,334 EUR
Retailer 4€2,387 EUR
Retailer 5€2,816 EUR
Retailer 10€3,023 EUR
Retailer 12€3,670 EUR
Retailer 9€4,300 EUR
Retailer 6€5,887 EUR
Retailer 2€8,020 EUR
Do Amore Diamonds€9,273 EUR

21 data points across 15 retailers

11 retailers€1,269 EUR to €9,273 EUR

A+
Cheapest Retailer
-
€1,269 EUR
$1,418 USD
Final sale: no returns
A
Retailer 2
-
€1,383 EUR
$1,545 USD
View
A
Retailer 3
-
€1,595 EUR
£1,403 GBP
View
A
Retailer 4
-
€1,765 EUR
$1,972 USD
View
A
Retailer 5
-
€1,781 EUR
$1,990 USD
View
A
Retailer 6
-
€2,334 EUR
$2,608 USD
View
Retailer 7
-
€3,023 EUR
A$5,196 AUD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€3,670 EUR
$4,100 USD
View
B+
Retailer 9
-
€4,300 EUR
£3,783 GBP
View
B+
Retailer 10
-
€8,020 EUR
$8,960 USD
View
Most Expensive
B
Do Amore Diamonds
27-85C6602FC · Oct 30
€9,273 EUR
$10,360 USD
View
10 more retailers have this diamond
Prices start from €1,269 EURSave up to €8,004 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
€1,269 EUR