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Round|Lab Grown|IGI

3.09ct G IF Round Lab Grown Diamond

EX • G/IF • IGI LG669421282

Shape and cutting style on the report: Round brilliant

Certificate IGI LG669421282

Diamond specifications and retailer prices

From €689 EUR
$770 USD
As of October 29, 2026
Save €4,601 EUR (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €5,290 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG669421282 or 669421282. Listed at 21 retailers as of October 29, 2026, with prices from €689 to €5,290, a €4,601 spread on the same certified stone. Brilliant Earth lists it at €5,290. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669421282
Dimensions9.26 × 9.31 × 5.82 mm
L/W Ratio1.01
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 Faint Blue
Top View
9.26 mm9.31 mm3.09 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669421282
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.7%

Caratlytics Score

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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: €5,290 EUR|Low: €661 EUR|High: €7,501 EUR|Avg: €1,958 EUR|-29.5%
Brilliant Earth
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
Retailer 19
Retailer 20
October 31, 2026
Retailer 19€689 EUR
Retailer 10€749 EUR
Retailer 20€772 EUR
Retailer 3€799 EUR
Retailer 11€928 EUR
Retailer 17€958 EUR
Retailer 5€1,067 EUR
Retailer 7€1,144 EUR
Retailer 14€1,210 EUR
Retailer 2€1,400 EUR
Retailer 18€1,731 EUR
Retailer 13€1,805 EUR
Retailer 16€1,855 EUR
Retailer 4€2,162 EUR
Retailer 6€2,247 EUR
Retailer 12€2,686 EUR
Retailer 8€2,701 EUR
Retailer 9€2,759 EUR
Retailer 15€3,011 EUR
Brilliant Earth€5,290 EUR

41 data points across 20 retailers

21 retailers€689 EUR to €5,290 EUR

A
Cheapest Retailer
-
€689 EUR
$770 USD
A
Retailer 2
-
€749 EUR
$837 USD
View
A
Retailer 3
-
€772 EUR
$862 USD
View
Final sale: no returns
Retailer 4
-
€799 EUR
$893 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
€799 EUR
$893 USD
View
A
Retailer 6
-
€928 EUR
HK$8,100 HKD
View
A
Retailer 7
-
€958 EUR
$1,070 USD
View
A
Retailer 8
-
€1,067 EUR
$1,192 USD
View
A
Retailer 9
-
€1,144 EUR
$1,278 USD
View
A
Retailer 10
-
€1,210 EUR
£1,065 GBP
View
A
Retailer 11
-
€1,400 EUR
View
B+
Retailer 12
-
€1,731 EUR
$1,934 USD
View
B+
Retailer 13
-
€1,805 EUR
A$3,102 AUD
View
B+
Retailer 14
-
€1,855 EUR
ZAR 33,485 ZAR
View
B+
Retailer 15
-
€2,162 EUR
$2,415 USD
View
B+
Retailer 16
-
€2,247 EUR
$2,510 USD
View
B+
Retailer 17
-
€2,686 EUR
SGD 4,055 SGD
View
B+
Retailer 18
-
€2,701 EUR
$3,018 USD
View
B+
Retailer 19
-
€2,759 EUR
$3,083 USD
View
B+
Retailer 20
-
€3,011 EUR
£2,649 GBP
View
Most Expensive
B
Brilliant Earth
15028441A · Oct 30
€5,290 EUR
$5,910 USD
View
20 more retailers have this diamond
Prices start from €689 EURSave up to €4,601 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
€689 EUR