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Heart|Lab Grown|IGI

3.09ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG732518485

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG732518485

Diamond specifications and retailer prices

From €1,890 EUR
$2,120 USD
As of October 31, 2026
Save €4,969 EUR (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,859 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG732518485 or 732518485. Listed at 17 retailers as of October 30, 2026, with prices from €1,890 to €6,859, a €4,969 spread on the same certified stone. Taylor and Hart lists it at €6,859. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732518485
Dimensions9.24 × 9.85 × 5.81 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.24 mm9.85 mm3.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732518485
Side View
Table 58.0%Crown 37.2°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 59.0%

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: €2,337 EUR|Low: €1,890 EUR|High: €11,871 EUR|Avg: €4,465 EUR|-42.7%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 4€1,890 EUR
Retailer 13€2,109 EUR
Retailer 15€2,155 EUR
Retailer 2€2,260 EUR
Retailer 1€2,337 EUR
Retailer 9€2,693 EUR
Retailer 16€2,887 EUR
Retailer 11€3,059 EUR
Retailer 5€3,069 EUR
Retailer 14€3,216 EUR
Retailer 8€3,390 EUR
Retailer 10€4,547 EUR
Retailer 3€5,276 EUR
Retailer 7€5,520 EUR
Retailer 12€5,623 EUR
Retailer 6€6,539 EUR
Taylor and Hart€6,859 EUR

21 data points across 17 retailers

17 retailers€1,890 EUR to €6,859 EUR

A
Cheapest Retailer
-
€1,890 EUR
$2,120 USD
Final sale: no returns
A
Retailer 2
-
€2,109 EUR
$2,365 USD
View
A
Retailer 3
-
€2,155 EUR
$2,417 USD
View
A
Retailer 4
-
€2,260 EUR
HK$19,800 HKD
View
A
Retailer 5
-
€2,337 EUR
£2,064 GBP
View
A
Retailer 6
-
€2,693 EUR
£2,378 GBP
View
A
Retailer 7
-
€2,887 EUR
$3,238 USD
View
A
Retailer 8
-
€3,059 EUR
View
A
Retailer 9
-
€3,069 EUR
$3,442 USD
View
A
Retailer 10
-
€3,216 EUR
$3,607 USD
View
Retailer 11
-
€3,390 EUR
$3,802 USD
View
Price last confirmed 21 days ago
B+
Retailer 12
-
€4,547 EUR
ZAR 82,396 ZAR
View
B+
Retailer 13
-
€5,276 EUR
$5,918 USD
View
Retailer 14
-
€5,520 EUR
A$9,525 AUD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
€5,623 EUR
£4,966 GBP
View
B
Retailer 16
-
€6,539 EUR
SGD 9,911 SGD
View
Most Expensive
B
Taylor and Hart
HLM0SB4 · Oct 30
€6,859 EUR
$7,693 USD
View
16 more retailers have this diamond
Prices start from €1,890 EURSave up to €4,969 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
€1,890 EUR