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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 $1,054 NZD
$594 USD
As of October 29, 2026
Save $7,303 NZD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,357 NZD 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 29, 2026, with prices from $1,054 to $8,357, a $7,303 spread on the same certified stone. Do Amore Diamonds lists it at $8,357. 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
Colour
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 29
Current: $1,473 NZD|Low: $754 NZD|High: $8,446 NZD|Avg: $2,490 NZD|-0.1%
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 30, 2026
Retailer 6$754 NZD
Retailer 3$1,054 NZD
Retailer 14$1,166 NZD
Retailer 11$1,348 NZD
Retailer 1$1,473 NZD
Retailer 2$1,797 NZD
Retailer 13$1,804 NZD
Retailer 5$1,813 NZD
Retailer 8$2,012 NZD
Retailer 7$2,718 NZD
Retailer 4$3,759 NZD
Retailer 12$4,324 NZD
Retailer 10$4,631 NZD
Retailer 9$5,618 NZD

43 data points across 14 retailers

16 retailers$1,054 NZD to $8,357 NZD

A
Cheapest Retailer
-
$1,054 NZD
$594 USD
Final sale: no returns
Retailer 2
-
$1,166 NZD
$657 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,348 NZD
$760 USD
View
A
Retailer 4
-
$1,473 NZD
£654 GBP
View
A
Retailer 5
-
$1,797 NZD
$1,013 USD
View
A
Retailer 6
-
$1,804 NZD
$1,017 USD
View
A
Retailer 7
-
$1,813 NZD
$1,022 USD
View
A
Retailer 8
-
$2,012 NZD
£893 GBP
View
A
Retailer 9
-
$2,718 NZD
A$2,357 AUD
View
B+
Retailer 10
-
$3,759 NZD
£1,668 GBP
View
B+
Retailer 11
-
$3,960 NZD
$2,232 USD
View
B+
Retailer 12
-
$4,324 NZD
$2,437 USD
View
B+
Retailer 13
-
$4,374 NZD
$2,465 USD
View
Retailer 14
-
$4,631 NZD
$2,610 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$5,618 NZD
£2,493 GBP
View
Most Expensive
B
Do Amore Diamonds
27-65C9DB818 · Oct 29
$8,357 NZD
$4,710 USD
View
15 more retailers have this diamond
Prices start from $1,054 NZDSave up to $7,303 NZD

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
$1,054 NZD