Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG815611581

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815611581

Diamond specifications and retailer prices

From €570 EUR
$637 USD
As of October 29, 2026
Save €2,230 EUR (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €5,138 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 LG815611581 or 815611581. Listed at 20 retailers as of October 29, 2026, with a 391% 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815611581
Dimensions9.43 × 9.39 × 5.70 mm
L/W Ratio1.00
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
9.43 mm9.39 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815611581
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €5,138 EUR|Low: €547 EUR|High: €5,214 EUR|Avg: €1,487 EUR|-1.5%
Rare Carat
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 3€570 EUR
Retailer 6€620 EUR
Retailer 9€638 EUR
Retailer 4€661 EUR
Retailer 18€661 EUR
Retailer 12€809 EUR
Retailer 10€936 EUR
Retailer 17€968 EUR
Retailer 15€971 EUR
Retailer 2€1,052 EUR
Retailer 11€1,493 EUR
Retailer 14€1,535 EUR
Retailer 16€1,688 EUR
Retailer 5€1,858 EUR
Retailer 8€2,256 EUR
Retailer 7€2,316 EUR
Retailer 13€2,800 EUR
Rare Carat€5,138 EUR

42 data points across 18 retailers

20 retailers€570 EUR to €2,800 EUR

A
Cheapest Retailer
-
€570 EUR
$637 USD
A
Retailer 2
-
€620 EUR
$693 USD
View
A
Retailer 3
-
€638 EUR
$713 USD
View
Final sale: no returns
Retailer 4
-
€661 EUR
$739 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€661 EUR
$739 USD
View
A
Retailer 6
-
€809 EUR
£711 GBP
View
A
Retailer 7
-
€936 EUR
$1,046 USD
View
A
Retailer 8
-
€968 EUR
$1,082 USD
View
A
Retailer 9
-
€971 EUR
$1,085 USD
View
A
Retailer 10
-
€1,052 EUR
£926 GBP
View
A
Retailer 11
-
€1,493 EUR
A$2,566 AUD
View
A
Retailer 12
-
€1,535 EUR
ZAR 27,701 ZAR
View
A
Retailer 13
-
€1,688 EUR
$1,886 USD
View
A
Retailer 14
-
€1,858 EUR
$2,076 USD
View
A
Retailer 15
-
€1,898 EUR
$2,120 USD
View
A
Retailer 16
-
€2,256 EUR
$2,520 USD
View
A
Retailer 17
-
€2,281 EUR
$2,549 USD
View
A
Retailer 18
-
€2,316 EUR
$2,587 USD
View
B+
Retailer 19
-
€2,800 EUR
£2,463 GBP
View
Most Expensive
Rare Carat
VK 4974_l_815611581 · Oct 21
€5,138 EUR
$5,740 USD
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from €570 EURSave up to €2,230 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
€570 EUR