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Round|Lab Grown|IGI

3.09ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG761511058

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761511058

Diamond specifications and retailer prices

From €570 EUR
$637 USD
As of October 29, 2026
Save €2,232 EUR (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,531 EUR at Rare Carat · As of October 18, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761511058 or 761511058. Listed at 18 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
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761511058
Dimensions9.38 × 9.34 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm9.34 mm3.09 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761511058
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.5%

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: €3,531 EUR|Low: €548 EUR|High: €3,567 EUR|Avg: €1,415 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
October 31, 2026
Retailer 3€570 EUR
Retailer 6€620 EUR
Retailer 4€661 EUR
Retailer 12€819 EUR
Retailer 9€829 EUR
Retailer 14€958 EUR
Retailer 5€1,004 EUR
Retailer 2€1,053 EUR
Retailer 8€1,495 EUR
Retailer 11€1,537 EUR
Retailer 13€1,690 EUR
Retailer 7€1,861 EUR
Retailer 15€2,257 EUR
Retailer 10€2,802 EUR
Rare Carat€3,531 EUR

44 data points across 15 retailers

18 retailers€570 EUR to €2,802 EUR

A
Cheapest Retailer
-
€570 EUR
$637 USD
A
Retailer 2
-
€620 EUR
$693 USD
View
Retailer 3
-
€661 EUR
$739 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€661 EUR
$739 USD
View
A
Retailer 5
-
€819 EUR
$915 USD
View
A
Retailer 6
-
€829 EUR
£730 GBP
View
A
Retailer 7
-
€958 EUR
$1,070 USD
View
A
Retailer 8
-
€1,004 EUR
$1,122 USD
View
A
Retailer 9
-
€1,053 EUR
£927 GBP
View
A
Retailer 10
-
€1,495 EUR
A$2,569 AUD
View
A
Retailer 11
-
€1,537 EUR
ZAR 27,732 ZAR
View
B+
Retailer 12
-
€1,690 EUR
$1,888 USD
View
B+
Retailer 13
-
€1,861 EUR
$2,079 USD
View
B+
Retailer 14
-
€2,120 EUR
$2,369 USD
View
B+
Retailer 15
-
€2,257 EUR
$2,522 USD
View
B+
Retailer 16
-
€2,284 EUR
$2,551 USD
View
B+
Retailer 17
-
€2,802 EUR
£2,465 GBP
View
Most Expensive
Rare Carat
112342 · Oct 18
€3,531 EUR
$3,945 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from €570 EURSave up to €2,232 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