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Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG640416658

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG640416658

Diamond specifications and retailer prices

From $594 USD
As of October 28, 2026
Save $4,116 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,710 USD at Do Amore Diamonds · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640416658 or 640416658. Listed at 16 retailers as of October 28, 2026, with prices from $594 to $4,710, a $4,116 spread on the same certified stone. Do Amore Diamonds lists it at $4,710. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640416658
Dimensions8.46 × 8.30 × 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
8.46 mm8.30 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640416658
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 67.1%

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 28
Current: $3,166 USD|Low: $425 USD|High: $4,760 USD|Avg: $1,434 USD|+0.5%
Retailer 1
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 6$425 USD
Retailer 3$594 USD
Retailer 14$657 USD
Retailer 11$760 USD
Retailer 9$831 USD
Retailer 2$1,013 USD
Retailer 13$1,017 USD
Retailer 5$1,022 USD
Retailer 7$1,127 USD
Retailer 8$1,542 USD
Retailer 4$2,118 USD
Retailer 12$2,437 USD
Retailer 10$2,610 USD
Retailer 1$3,166 USD

42 data points across 14 retailers

16 retailers$594 USD to $4,710 USD

A
Cheapest Retailer
-
$594 USD
Final sale: no returns
A
Retailer 2
-
$657 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$760 USD
View
A
Retailer 4
-
$831 USD
£655 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
$1,013 USD
View
A
Retailer 6
-
$1,017 USD
View
A
Retailer 7
-
$1,022 USD
View
A
Retailer 8
-
$1,127 USD
£887 GBP
View
A
Retailer 9
-
$1,542 USD
A$2,372 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$2,118 USD
£1,668 GBP
View
B+
Retailer 11
-
$2,232 USD
View
B+
Retailer 12
-
$2,437 USD
View
B+
Retailer 13
-
$2,465 USD
View
B+
Retailer 14
-
$2,610 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
$3,166 USD
£2,493 GBP
View
Most Expensive
B
Do Amore Diamonds
27-65C9DB818 · Oct 29
$4,710 USD
View
15 more retailers have this diamond
Prices start from $594 USDSave up to $4,116 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
$594 USD