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Cushion|Lab Grown|IGI

3.09ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG577391214

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG577391214

Diamond specifications and retailer prices

From €617 EUR
$689 USD
As of October 31, 2026
Save €2,382 EUR (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,999 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577391214 or 577391214. Listed at 12 retailers as of October 31, 2026, with prices from €617 to €2,999, a €2,382 spread on the same certified stone. Brilliant Earth lists it at €2,999. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577391214
Dimensions9.26 × 7.74 × 4.93 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.26 mm7.74 mm3.09 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577391214
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 31.3°Culet: NoneDepth 63.7%

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 31
Current: €2,999 EUR|Low: €548 EUR|High: €4,359 EUR|Avg: €1,640 EUR|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10€617 EUR
Retailer 5€788 EUR
Retailer 9€926 EUR
Retailer 7€1,003 EUR
Retailer 6€1,048 EUR
Retailer 2€1,070 EUR
Retailer 8€1,992 EUR
Retailer 3€2,208 EUR
Retailer 11€2,256 EUR
Retailer 4€2,983 EUR
Brilliant Earth€2,999 EUR

40 data points across 11 retailers

12 retailers€617 EUR to €2,999 EUR

A
Cheapest Retailer
-
€617 EUR
$689 USD
Final sale: no returns
A
Retailer 2
-
€788 EUR
$880 USD
View
A
Retailer 3
-
€926 EUR
$1,035 USD
View
A
Retailer 4
-
€1,003 EUR
$1,120 USD
View
A
Retailer 5
-
€1,048 EUR
$1,171 USD
View
A
Retailer 6
-
€1,070 EUR
£942 GBP
View
B
Retailer 7
-
€1,992 EUR
£1,752 GBP
View
B+
Retailer 8
-
€2,142 EUR
HK$18,700 HKD
View
B
Retailer 9
-
€2,208 EUR
$2,467 USD
View
B
Retailer 10
-
€2,256 EUR
$2,520 USD
View
B
Retailer 11
-
€2,983 EUR
£2,624 GBP
View
Most Expensive
B
Brilliant Earth
17968904A · Oct 31
€2,999 EUR
$3,350 USD
View
11 more retailers have this diamond
Prices start from €617 EURSave up to €2,382 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 Cushion
€617 EUR