Cushion|Lab Grown|IGI

3.09ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG647438231

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG647438231

Diamond specifications and retailer prices

From $860 USD
As of October 30, 2026
2 retailers carry this diamond
Most expensive: $1,999 USD at Rare Carat · As of August 31, 2026
View at Rare Carat

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 LG647438231 or 647438231. Listed at 2 retailers as of October 30, 2026. 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 angle32.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647438231
Dimensions8.60 × 8.44 × 5.49 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.60 mm8.44 mm3.09 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647438231
Side View
Table 64.0%Crown 32.4°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 65.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,999 USD|Low: $710 USD|High: $4,870 USD|Avg: $1,943 USD|-11.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 2, 2026
Retailer 8$710 USD
Retailer 5$860 USD
Retailer 3$909 USD
Retailer 2$1,009 USD
Retailer 6$1,829 USD
Rare Carat$1,999 USD
Retailer 4$2,975 USD
Retailer 7$4,870 USD

69 data points across 8 retailers

2 retailers

A
Cheapest Retailer
-
$860 USD
Most Expensive
Rare Carat
LVA31-141A · Aug 31
$1,999 USD
View
Price last confirmed 61 days ago
1 more retailer has this diamond
Prices start from $860 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
$860 USD