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Cushion|Lab Grown|IGI

3.05ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG685578140

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG685578140

Diamond specifications and retailer prices

From $962 CAD
$687 USD
As of October 29, 2026
Save $9,619 CAD (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,581 CAD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

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 LG685578140 or 685578140. Listed at 16 retailers as of October 28, 2026, with prices from $962 to $10,581, a $9,619 spread on the same certified stone. Do Amore Diamonds lists it at $10,581. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685578140
Dimensions8.36 × 8.36 × 5.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.36 mm8.36 mm3.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685578140
Side View
Table 63.0%Crown 38.2°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 66.4%

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: $7,642 CAD|Low: $962 CAD|High: $10,861 CAD|Avg: $3,440 CAD|-11.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 14$962 CAD
Retailer 6$1,125 CAD
Retailer 11$1,246 CAD
Retailer 10$1,411 CAD
Retailer 2$1,764 CAD
Retailer 12$1,964 CAD
Retailer 4$2,495 CAD
Retailer 5$2,520 CAD
Retailer 8$2,558 CAD
Retailer 13$3,434 CAD
Retailer 3$3,957 CAD
Retailer 7$4,666 CAD
Do Amore Diamonds$7,642 CAD
Retailer 9$9,069 CAD

31 data points across 14 retailers

16 retailers$962 CAD to $10,581 CAD

A
Cheapest Retailer
-
$962 CAD
$687 USD
Final sale: no returns
A
Retailer 2
-
$1,125 CAD
$804 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,246 CAD
$890 USD
View
A
Retailer 4
-
$1,411 CAD
$1,008 USD
View
A
Retailer 5
-
$1,764 CAD
£992 GBP
View
A
Retailer 6
-
$1,964 CAD
$1,403 USD
View
A
Retailer 7
-
$2,495 CAD
$1,783 USD
View
A
Retailer 8
-
$2,520 CAD
A$2,770 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$2,558 CAD
ZAR 29,530 ZAR
View
B+
Retailer 10
-
$3,434 CAD
£1,932 GBP
View
B+
Retailer 11
-
$3,957 CAD
$2,828 USD
View
B+
Retailer 12
-
$4,666 CAD
£2,625 GBP
View
B
Retailer 13
-
$7,642 CAD
$5,460 USD
View
B
Retailer 14
-
$9,069 CAD
$6,480 USD
View
B
Retailer 15
-
$10,174 CAD
$7,269 USD
View
Most Expensive
B
Do Amore Diamonds
23-685578140 · Oct 28
$10,581 CAD
$7,560 USD
View
15 more retailers have this diamond
Prices start from $962 CADSave up to $9,619 CAD

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
$962 CAD