Cushion|Lab Grown|IGI

3.09ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG813653424

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813653424

Diamond specifications and retailer prices

From $720 USD
As of October 31, 2026
Save $4,930 USD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,650 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813653424 or 813653424. Listed at 10 retailers as of October 29, 2026, with prices from $720 to $5,650, a $4,930 spread on the same certified stone. Brilliant Earth lists it at $5,650. 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
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813653424
Dimensions9.88 × 7.69 × 5.19 mm
L/W Ratio1.28
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.88 mm7.69 mm3.09 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813653424
Side View
Table 62.0%Crown 35.6°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 67.5%

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 31
Current: $5,650 USD|Low: $720 USD|High: $5,830 USD|Avg: $1,864 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 2$720 USD
Retailer 11$779 USD
Retailer 9$799 USD
Retailer 5$873 USD
Retailer 6$974 USD
Retailer 4$985 USD
Retailer 10$1,025 USD
Retailer 3$1,888 USD
Retailer 12$2,281 USD
Retailer 7$2,780 USD
Retailer 8$4,320 USD
Brilliant Earth$5,650 USD

24 data points across 12 retailers

10 retailers$720 USD to $5,650 USD

A
Cheapest Retailer
-
$720 USD
A
Retailer 2
-
$779 USD
View
B+
Retailer 3
-
$799 USD
View
A
Retailer 4
-
$873 USD
£687 GBP
View
A
Retailer 5
-
$974 USD
€928 EUR
View
A
Retailer 6
-
$1,025 USD
View
Retailer 7
-
$2,281 USD
A$3,509 AUD
View
Price last confirmed 22 days ago
B
Retailer 8
-
$2,780 USD
£2,189 GBP
View
B
Retailer 9
-
$4,320 USD
View
Most Expensive
B
Brilliant Earth
21652539A · Oct 29
$5,650 USD
View
9 more retailers have this diamond
Prices start from $720 USDSave up to $4,930 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
$720 USD