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Cushion|Lab Grown|IGI

1.28ct G VS1 Cushion Lab Grown Diamond

GD • G/VS1 • IGI LG617452452

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG617452452

Diamond specifications and retailer prices

From $960 NZD
A$832 AUD
As of October 26, 2026
Save $1,791 NZD (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,750 NZD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG617452452 or 617452452. Listed at 6 retailers as of October 26, 2026, with prices from $960 to $2,750, a $1,791 spread on the same certified stone. Do Amore Diamonds lists it at $2,750. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617452452
Dimensions6.26 × 6.26 × 4.24 mm
L/W Ratio1.00
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
6.26 mm6.26 mm1.28 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617452452
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $2,750 NZD|Low: $247 NZD|High: $2,963 NZD|Avg: $1,323 NZD|-7.2%
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
Retailer 15
October 26, 2026
Retailer 11$339 NZD
Retailer 9$646 NZD
Retailer 12$723 NZD
Retailer 3$755 NZD
Retailer 14$843 NZD
Retailer 5$930 NZD
Retailer 2$960 NZD
Retailer 4$1,108 NZD
Retailer 6$1,282 NZD
Retailer 13$1,680 NZD
Retailer 15$1,703 NZD
Retailer 7$1,839 NZD
Retailer 8$1,841 NZD
Retailer 10$2,449 NZD
Do Amore Diamonds$2,750 NZD

15 data points across 15 retailers

6 retailers$960 NZD to $2,750 NZD

Retailer 1
-
$646 NZD
$364 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$960 NZD
A$832 AUD
View
B
Retailer 3
-
$1,703 NZD
$960 USD
View
Retailer 4
-
$1,841 NZD
£817 GBP
View
Price last confirmed 7 days ago
C
Retailer 5
-
$2,449 NZD
$1,380 USD
View
Most Expensive
C
Do Amore Diamonds
27-F2DCEF05C · Oct 27
$2,750 NZD
$1,550 USD
View
5 more retailers have this diamond
Prices start from $960 NZDSave up to $1,791 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.

B+
1.28ct Cushion
$960 NZD