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Cushion|Lab Grown|IGI

1.79ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG787624177

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG787624177

Diamond specifications and retailer prices

From $1,285 NZD
$724 USD
As of November 1, 2026
Save $7,942 NZD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,226 NZD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.79ct lab-grown cushion diamond

This 1.79ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787624177 or 787624177. Listed at 4 retailers as of November 1, 2026, with prices from $1,285 to $9,226, a $7,942 spread on the same certified stone. Brilliant Earth lists it at $9,226. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.79
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787624177
Dimensions7.05 × 7.00 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.05 mm7.00 mm1.79 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787624177
Side View
Table 63.0%Crown 34.4°Girdle: THN-THKPavilion 34.4°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $9,226 NZD|Low: $1,285 NZD|High: $9,226 NZD|Avg: $3,249 NZD|+32.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$1,285 NZD
Retailer 4$1,304 NZD
Retailer 5$1,904 NZD
Retailer 6$2,683 NZD
Retailer 2$3,191 NZD
Brilliant Earth$9,226 NZD

12 data points across 6 retailers

4 retailers$1,285 NZD to $9,226 NZD

A
Cheapest Retailer
-
$1,285 NZD
$724 USD
A
Retailer 2
-
$1,304 NZD
$735 USD
View
B+
Retailer 3
-
$3,191 NZD
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
20473493A · Nov 1
$9,226 NZD
$5,200 USD
View
3 more retailers have this diamond
Prices start from $1,285 NZDSave up to $7,942 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
1.79ct Cushion
$1,285 NZD