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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 $1,516 NZD
$853 USD
As of November 2, 2026
Save $12,365 NZD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,881 NZD 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 14 retailers as of November 2, 2026, with prices from $1,516 to $13,881, a $12,365 spread on the same certified stone. Do Amore Diamonds lists it at $13,881. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $13,881 NZD|Low: $1,516 NZD|High: $13,881 NZD|Avg: $4,563 NZD
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 1, 2026
Retailer 5$1,516 NZD
Retailer 15$1,749 NZD
Retailer 10$2,124 NZD
Retailer 13$2,302 NZD
Retailer 12$2,453 NZD
Retailer 7$2,580 NZD
Retailer 3$2,909 NZD
Retailer 11$3,235 NZD
Retailer 8$4,646 NZD
Retailer 4$5,526 NZD
Retailer 9$5,538 NZD
Retailer 2$6,785 NZD
Retailer 14$7,038 NZD
Retailer 6$7,126 NZD
Do Amore Diamonds$13,881 NZD

10 data points across 15 retailers

14 retailers$1,516 NZD to $13,881 NZD

A
Cheapest Retailer
-
$1,516 NZD
$853 USD
A
Retailer 2
-
$1,749 NZD
$984 USD
View
Final sale: no returns
A
Retailer 3
-
$2,124 NZD
$1,195 USD
View
A
Retailer 4
-
$2,302 NZD
$1,295 USD
View
Retailer 5
-
$2,453 NZD
£1,087 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$2,909 NZD
$1,637 USD
View
B+
Retailer 7
-
$3,235 NZD
$1,820 USD
View
B+
Retailer 8
-
$4,646 NZD
ZAR 42,233 ZAR
View
B
Retailer 9
-
$5,526 NZD
£2,448 GBP
View
B
Retailer 10
-
$5,538 NZD
CA$4,327 CAD
View
B
Retailer 11
-
$6,785 NZD
£3,006 GBP
View
Retailer 12
-
$7,038 NZD
$3,960 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$7,126 NZD
$4,009 USD
View
Most Expensive
B
Do Amore Diamonds
27-761F9FB84 · Nov 2
$13,881 NZD
$7,810 USD
View
13 more retailers have this diamond
Prices start from $1,516 NZDSave up to $12,365 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
$1,516 NZD