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Heart|Lab Grown|IGI

3.09ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG718506840

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG718506840

Diamond specifications and retailer prices

From €622 EUR
As of November 3, 2026
Save €3,175 EUR (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,879 EUR at Queensmith · As of October 13, 2026
View at Queensmith

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG718506840 or 718506840. Listed at 13 retailers as of November 2, 2026, with a 510% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG718506840
Dimensions8.88 × 10.36 × 5.86 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
8.88 mm10.36 mm3.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG718506840
Side View
Table 62.0%Crown 34.3°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 56.6%

Caratlytics Score

How it works →
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: Nov 3
Current: €3,879 EUR|Low: €313 EUR|High: €5,231 EUR|Avg: €1,722 EUR
Queensmith
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
November 2, 2026
Retailer 5€315 EUR
Retailer 4€440 EUR
Retailer 17€622 EUR
Retailer 9€641 EUR
Retailer 12€686 EUR
Retailer 13€704 EUR
Retailer 8€884 EUR
Retailer 18€900 EUR
Retailer 15€1,019 EUR
Retailer 16€1,345 EUR
Retailer 2€1,426 EUR
Retailer 3€1,844 EUR
Retailer 6€1,877 EUR
Retailer 11€2,442 EUR
Retailer 10€2,536 EUR
Retailer 14€3,798 EUR
Queensmith€3,879 EUR
Retailer 7€5,231 EUR

18 data points across 18 retailers

13 retailers€622 EUR to €3,798 EUR

A
Cheapest Retailer
-
€622 EUR
A
Retailer 2
-
€686 EUR
View
B+
Retailer 3
-
€704 EUR
View
Retailer 4
-
€900 EUR
View
Price last confirmed 26 days ago
A
Retailer 5
-
€1,019 EUR
View
Retailer 6
-
€1,345 EUR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€1,426 EUR
View
Retailer 8
-
€1,844 EUR
View
Price last confirmed 26 days ago
Retailer 9
-
€1,877 EUR
View
Price last confirmed 26 days ago
B
Retailer 10
-
€2,442 EUR
View
Retailer 11
-
€2,536 EUR
View
Price last confirmed 126 days ago
B
Retailer 12
-
€3,798 EUR
View
Most Expensive
Queensmith
LG718506840 · Oct 13
€3,879 EUR
£3,410 GBP
View
Price last confirmed 24 days ago
12 more retailers have this diamond
Prices start from €622 EURSave up to €3,175 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
€622 EUR