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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 €687 EUR
$770 USD
As of November 1, 2026
Save €4,583 EUR (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €5,269 EUR at Brilliant Earth · As of October 31, 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 31, 2026, with prices from €687 to €5,269, a €4,583 spread on the same certified stone. Brilliant Earth lists it at €5,269. 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
Colour
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: Nov 1
Current: €5,269 EUR|Low: €659 EUR|High: €7,471 EUR|Avg: €1,950 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
November 1, 2026
Retailer 19€687 EUR
Retailer 10€746 EUR
Retailer 20€769 EUR
Retailer 3€796 EUR
Retailer 11€924 EUR
Retailer 17€954 EUR
Retailer 5€1,063 EUR
Retailer 7€1,139 EUR
Retailer 2€1,205 EUR
Retailer 13€1,395 EUR
Retailer 18€1,724 EUR
Retailer 14€1,798 EUR
Retailer 16€1,848 EUR
Retailer 4€2,153 EUR
Retailer 6€2,238 EUR
Retailer 12€2,675 EUR
Retailer 8€2,691 EUR
Retailer 9€2,749 EUR
Retailer 15€2,999 EUR
Brilliant Earth€5,269 EUR

41 data points across 20 retailers

21 retailers€687 EUR to €5,269 EUR

A
Cheapest Retailer
-
€687 EUR
$770 USD
A
Retailer 2
-
€746 EUR
$837 USD
View
A
Retailer 3
-
€769 EUR
$862 USD
View
Final sale: no returns
Retailer 4
-
€796 EUR
$893 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
€796 EUR
$893 USD
View
A
Retailer 6
-
€924 EUR
HK$8,100 HKD
View
A
Retailer 7
-
€954 EUR
$1,070 USD
View
A
Retailer 8
-
€1,063 EUR
$1,192 USD
View
A
Retailer 9
-
€1,139 EUR
$1,278 USD
View
A
Retailer 10
-
€1,205 EUR
£1,065 GBP
View
A
Retailer 11
-
€1,395 EUR
View
B+
Retailer 12
-
€1,724 EUR
$1,934 USD
View
B+
Retailer 13
-
€1,798 EUR
A$3,102 AUD
View
B+
Retailer 14
-
€1,848 EUR
ZAR 33,485 ZAR
View
B+
Retailer 15
-
€2,153 EUR
$2,415 USD
View
B+
Retailer 16
-
€2,238 EUR
$2,510 USD
View
B+
Retailer 17
-
€2,675 EUR
SGD 4,055 SGD
View
B+
Retailer 18
-
€2,691 EUR
$3,018 USD
View
B+
Retailer 19
-
€2,749 EUR
$3,083 USD
View
B+
Retailer 20
-
€2,999 EUR
£2,649 GBP
View
Most Expensive
B
Brilliant Earth
15028441A · Oct 31
€5,269 EUR
$5,910 USD
View
20 more retailers have this diamond
Prices start from €687 EURSave up to €4,583 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
€687 EUR