Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815611624

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815611624

Diamond specifications and retailer prices

From €940 EUR
$1,046 USD
As of October 29, 2026
Save €1,871 EUR (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €5,157 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round 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 LG815611624 or 815611624. Listed at 7 retailers as of October 29, 2026, with a 199% 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611624
Dimensions9.41 × 9.46 × 5.70 mm
L/W Ratio1.01
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
9.41 mm9.46 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611624
Side View
Table 59.0%Crown 33.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.4%

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: Oct 29
Current: €5,157 EUR|Low: €940 EUR|High: €5,157 EUR|Avg: €1,985 EUR
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 6€940 EUR
Retailer 4€972 EUR
Retailer 2€1,053 EUR
Retailer 5€1,905 EUR
Retailer 7€2,290 EUR
Retailer 3€2,810 EUR
Rare Carat€5,157 EUR

19 data points across 7 retailers

7 retailers€940 EUR to €2,810 EUR

A
Cheapest Retailer
-
€940 EUR
$1,046 USD
A
Retailer 2
-
€972 EUR
$1,082 USD
View
A
Retailer 3
-
€1,053 EUR
£923 GBP
View
A
Retailer 4
-
€1,905 EUR
$2,120 USD
View
A
Retailer 5
-
€2,290 EUR
$2,549 USD
View
B+
Retailer 6
-
€2,810 EUR
£2,463 GBP
View
Most Expensive
Rare Carat
KK462_l_815611624 · Oct 21
€5,157 EUR
$5,740 USD
View
Price last confirmed 8 days ago
6 more retailers have this diamond
Prices start from €940 EURSave up to €1,871 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 Round
€940 EUR