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Cushion|Lab Grown|IGI

1.53ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG12746517

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG12746517

Diamond specifications and retailer prices

From $1,452 NZD
As of November 5, 2026
Save $469 NZD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,921 NZD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12746517 or 12746517. Listed at 2 retailers as of November 5, 2026, with prices from $1,452 to $1,921, a $469 spread on the same certified stone. The Diamond Guys lists it at $1,921. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12746517
Dimensions6.61 × 6.40 × 4.25 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.61 mm6.40 mm1.53 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12746517
Side View
Table 62.5%Crown 35°Girdle: STK-UNDPavilion 34.7°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: $915 NZD|Low: $689 NZD|High: $5,697 NZD|Avg: $2,481 NZD|-59.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
The Diamond Guys
September 18, 2026
Retailer 4$709 NZD
Retailer 2$756 NZD
Retailer 1$915 NZD
Retailer 5$1,061 NZD
Retailer 3$1,452 NZD
The Diamond Guys$1,921 NZD
Retailer 6$2,581 NZD

49 data points across 7 retailers

2 retailers$1,452 NZD to $1,921 NZD

B+
Cheapest Retailer
-
$1,452 NZD
Most Expensive
B
The Diamond Guys
1779252864 · Nov 6
$1,921 NZD
$1,065 USD
View
1 more retailer has this diamond
Prices start from $1,452 NZDSave up to $469 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+
1.53ct Cushion
$1,452 NZD