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Cushion|Lab Grown|IGI

1.67ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • IGI LG534226050

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG534226050

Diamond specifications and retailer prices

From $2,803 NZD
$1,580 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $2,803 NZD at Do Amore Diamonds
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Do Amore Diamonds

About this 1.67ct lab-grown cushion diamond

This 1.67ct 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 LG534226050 or 534226050. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.67
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534226050
Dimensions7.74 × 6.63 × 4.25 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.74 mm6.63 mm1.67 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534226050
Side View
Table 62.5%Crown 34.5°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 64.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $2,803 NZD|Low: $609 NZD|High: $3,549 NZD|Avg: $1,541 NZD|-21.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
June 23, 2026
Retailer 4$609 NZD
Retailer 5$782 NZD
Retailer 7$784 NZD
Retailer 3$936 NZD
Retailer 6$1,112 NZD
Retailer 2$1,699 NZD
Do Amore Diamonds$2,803 NZD

30 data points across 7 retailers

1 retailer

B
Do Amore Diamonds
19-403456 · Nov 1
$2,803 NZD
$1,580 USD
View

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
1.67ct Cushion
$2,803 NZD