Cushion|Lab Grown|IGI

3.05ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG805674308

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG805674308

Diamond specifications and retailer prices

From $1,095 USD
As of October 23, 2026
Save $6,715 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,810 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805674308 or 805674308. Listed at 17 retailers as of October 23, 2026, with prices from $1,095 to $7,810, a $6,715 spread on the same certified stone. Brilliant Earth lists it at $7,810. 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

3.05
Carat
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805674308
Dimensions8.46 × 8.40 × 5.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm8.40 mm3.05 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805674308
Side View
Table 64.0%Crown 34.7°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 23
Current: $7,810 USD|Low: $676 USD|High: $8,050 USD|Avg: $2,120 USD|-3.0%
Brilliant Earth
Retailer 2
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Retailer 18
October 25, 2026
Retailer 5$676 USD
Retailer 18$749 USD
Retailer 13$813 USD
Retailer 17$865 USD
Retailer 7$1,095 USD
Retailer 6$1,148 USD
Retailer 11$1,155 USD
Retailer 12$1,281 USD
Retailer 14$1,592 USD
Retailer 15$1,609 USD
Retailer 9$1,799 USD
Retailer 8$2,179 USD
Retailer 4$2,391 USD
Retailer 10$2,422 USD
Retailer 3$2,483 USD
Retailer 2$3,256 USD
Retailer 16$3,380 USD
Brilliant Earth$7,810 USD

33 data points across 18 retailers

17 retailers$1,095 USD to $7,810 USD

A
Retailer 1
-
$749 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$813 USD
£640 GBP
View
Price last confirmed 7 days ago
A
Retailer 3
-
$865 USD
View
Price last confirmed 6 days ago
A
Retailer 4
-
$1,095 USD
View
A
Retailer 5
-
$1,148 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$1,155 USD
£909 GBP
View
A
Retailer 7
-
$1,281 USD
€1,220 EUR
View
A
Retailer 8
-
$1,592 USD
A$2,449 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,609 USD
ZAR 25,994 ZAR
View
Price last confirmed 10 days ago
A
Retailer 10
-
$1,799 USD
View
B+
Retailer 11
-
$2,179 USD
£1,716 GBP
View
Price last confirmed 18 days ago
B+
Retailer 12
-
$2,391 USD
View
B+
Retailer 13
-
$2,422 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$2,483 USD
View
B+
Retailer 15
-
$3,256 USD
£2,564 GBP
View
B
Retailer 16
-
$3,380 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20374713A · Oct 23
$7,810 USD
View
16 more retailers have this diamond
Prices start from $1,095 USDSave up to $6,715 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
3.05ct Cushion
$1,095 USD