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Cushion|Lab Grown|IGI

3.05ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG459117375

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG459117375

Diamond specifications and retailer prices

From $1,221 AUD
$853 USD
As of November 3, 2026
Save $9,962 AUD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $11,183 AUD at Do Amore Diamonds · As of November 2, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG459117375 or 459117375. Listed at 13 retailers as of November 2, 2026, with prices from $1,221 to $11,183, a $9,962 spread on the same certified stone. Do Amore Diamonds lists it at $11,183. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459117375
Dimensions9.15 × 8.19 × 5.46 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.15 mm8.19 mm3.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG459117375
Side View
Table 60.5%Crown 33.9°Girdle: THN-STKPavilion 39.7°Culet: NoneDepth 66.7%

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: Nov 3
Current: $11,183 AUD|Low: $1,221 AUD|High: $11,183 AUD|Avg: $3,681 AUD
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
Retailer 15
November 3, 2026
Retailer 5$1,221 AUD
Retailer 15$1,409 AUD
Retailer 10$1,711 AUD
Retailer 13$1,854 AUD
Retailer 12$1,976 AUD
Retailer 7$2,079 AUD
Retailer 3$2,344 AUD
Retailer 11$2,606 AUD
Retailer 2$3,747 AUD
Retailer 4$4,452 AUD
Retailer 9$4,461 AUD
Retailer 8$5,466 AUD
Retailer 14$5,670 AUD
Retailer 6$5,741 AUD
Do Amore Diamonds$11,183 AUD

11 data points across 15 retailers

13 retailers$1,221 AUD to $11,183 AUD

A
Cheapest Retailer
-
$1,221 AUD
$853 USD
A
Retailer 2
-
$1,409 AUD
$984 USD
View
Final sale: no returns
A
Retailer 3
-
$1,711 AUD
$1,195 USD
View
A
Retailer 4
-
$1,854 AUD
$1,295 USD
View
B+
Retailer 5
-
$2,344 AUD
$1,637 USD
View
B+
Retailer 6
-
$2,606 AUD
$1,820 USD
View
B+
Retailer 7
-
$3,747 AUD
ZAR 42,271 ZAR
View
B
Retailer 8
-
$4,452 AUD
£2,448 GBP
View
B
Retailer 9
-
$4,461 AUD
CA$4,327 CAD
View
B
Retailer 10
-
$5,466 AUD
£3,006 GBP
View
Retailer 11
-
$5,670 AUD
$3,960 USD
View
Price last confirmed 18 days ago
B
Retailer 12
-
$5,741 AUD
$4,009 USD
View
Most Expensive
B
Do Amore Diamonds
27-761F9FB84 · Nov 2
$11,183 AUD
$7,810 USD
View
12 more retailers have this diamond
Prices start from $1,221 AUDSave up to $9,962 AUD

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
$1,221 AUD