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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 $689 USD
As of October 29, 2026
Save $2,661 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,350 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $689 to $3,350, a $2,661 spread on the same certified stone. Brilliant Earth lists it at $3,350. 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

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: $3,350 USD|Low: $612 USD|High: $4,870 USD|Avg: $1,828 USD|-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 30, 2026
Retailer 10$689 USD
Retailer 5$880 USD
Retailer 9$1,035 USD
Retailer 7$1,120 USD
Retailer 6$1,171 USD
Retailer 2$1,196 USD
Retailer 8$2,225 USD
Retailer 3$2,467 USD
Retailer 11$2,520 USD
Retailer 4$3,332 USD
Brilliant Earth$3,350 USD

40 data points across 11 retailers

12 retailers$689 USD to $3,350 USD

A
Cheapest Retailer
-
$689 USD
Final sale: no returns
A
Retailer 2
-
$880 USD
View
A
Retailer 3
-
$1,035 USD
View
A
Retailer 4
-
$1,120 USD
View
A
Retailer 5
-
$1,171 USD
View
A
Retailer 6
-
$1,196 USD
£941 GBP
View
B
Retailer 7
-
$2,225 USD
£1,752 GBP
View
B+
Retailer 8
-
$2,394 USD
HK$18,700 HKD
View
B
Retailer 9
-
$2,467 USD
View
B
Retailer 10
-
$2,520 USD
View
B
Retailer 11
-
$3,332 USD
£2,624 GBP
View
Most Expensive
B
Brilliant Earth
17968904A · Oct 29
$3,350 USD
View
11 more retailers have this diamond
Prices start from $689 USDSave up to $2,661 USD

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
$689 USD