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Round|Lab Grown|IGI

3.09ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729516984

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729516984

Diamond specifications and retailer prices

From €533 EUR
$596 USD
As of October 29, 2026
Save €4,202 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €4,883 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 LG729516984 or 729516984. Listed at 22 retailers as of October 29, 2026, with a 788% 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 angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729516984
Dimensions9.43 × 9.40 × 5.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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 mm9.40 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729516984
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.5%

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: €4,883 EUR|Low: €512 EUR|High: €4,932 EUR|Avg: €1,486 EUR|-1.0%
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
October 30, 2026
Retailer 14€533 EUR
Retailer 8€596 EUR
Retailer 6€597 EUR
Retailer 15€661 EUR
Retailer 12€779 EUR
Retailer 5€906 EUR
Retailer 3€1,016 EUR
Retailer 9€1,086 EUR
Retailer 2€1,542 EUR
Retailer 11€1,585 EUR
Retailer 13€1,641 EUR
Retailer 7€1,920 EUR
Retailer 16€2,111 EUR
Retailer 4€2,483 EUR
Retailer 10€2,892 EUR
Rare Carat€4,883 EUR

42 data points across 16 retailers

22 retailers€533 EUR to €4,735 EUR

A
Cheapest Retailer
-
€533 EUR
$596 USD
A
Retailer 2
-
€596 EUR
$666 USD
View
Final sale: no returns
A
Retailer 3
-
€597 EUR
$667 USD
View
A
Retailer 4
-
€661 EUR
$739 USD
View
Retailer 5
-
€661 EUR
$739 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
€779 EUR
$870 USD
View
A
Retailer 7
-
€859 EUR
HK$7,500 HKD
View
A
Retailer 8
-
€906 EUR
$1,012 USD
View
A
Retailer 9
-
€1,016 EUR
$1,135 USD
View
A
Retailer 10
-
€1,086 EUR
£955 GBP
View
A
Retailer 11
-
€1,474 EUR
$1,647 USD
View
A
Retailer 12
-
€1,542 EUR
A$2,651 AUD
View
A
Retailer 13
-
€1,585 EUR
ZAR 28,614 ZAR
View
A
Retailer 14
-
€1,641 EUR
$1,833 USD
View
A
Retailer 15
-
€1,920 EUR
$2,145 USD
View
A
Retailer 16
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€2,111 EUR
$2,358 USD
View
A
Retailer 17
-
€2,183 EUR
$2,439 USD
View
A
Retailer 18
-
€2,458 EUR
$2,746 USD
View
A
Retailer 19
-
€2,483 EUR
SGD 3,749 SGD
View
B+
Retailer 20
-
€2,892 EUR
£2,544 GBP
View
B
Retailer 21
-
€4,735 EUR
$5,290 USD
View
Most Expensive
Rare Carat
A3-12A · Oct 21
€4,883 EUR
$5,455 USD
View
Price last confirmed 10 days ago
21 more retailers have this diamond
Prices start from €533 EURSave up to €4,202 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
€533 EUR