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Cushion|Lab Grown|IGI

3.06ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG678501299

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG678501299

Diamond specifications and retailer prices

From $716 USD
£563 GBP
As of October 29, 2026
Save $4,614 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,330 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678501299 or 678501299. Listed at 13 retailers as of October 28, 2026, with prices from $716 to $5,330, a $4,614 spread on the same certified stone. Brilliant Earth lists it at $5,330. 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

3.06
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678501299
Dimensions8.44 × 8.27 × 5.57 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
8.44 mm8.27 mm3.06 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678501299
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 67.4%

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: $5,330 USD|Low: $595 USD|High: $5,500 USD|Avg: $1,687 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
Retailer 13
October 29, 2026
Retailer 11$595 USD
Retailer 7$716 USD
Retailer 9$830 USD
Retailer 2$860 USD
Retailer 4$928 USD
Retailer 12$966 USD
Retailer 8$983 USD
Retailer 13$1,215 USD
Retailer 3$1,940 USD
Retailer 6$2,196 USD
Retailer 5$2,225 USD
Retailer 10$2,345 USD
Brilliant Earth$5,330 USD

33 data points across 13 retailers

13 retailers$716 USD to $5,330 USD

A
Retailer 1
-
$595 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$716 USD
£563 GBP
View
A
Retailer 3
-
$830 USD
View
A
Retailer 4
-
$860 USD
€819 EUR
View
A
Retailer 5
-
$928 USD
View
A
Retailer 6
-
$966 USD
View
A
Retailer 7
-
$983 USD
£774 GBP
View
A
Retailer 8
-
$1,215 USD
View
B+
Retailer 9
-
$1,940 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$2,196 USD
£1,729 GBP
View
B
Retailer 11
-
$2,225 USD
View
B+
Retailer 12
-
$2,345 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
13025659A · Oct 28
$5,330 USD
View
12 more retailers have this diamond
Prices start from $716 USDSave up to $4,614 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
3.06ct Cushion
$716 USD