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Cushion|Lab Grown|IGI

1.76ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG802608048

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

Certificate IGI LG802608048

Diamond specifications and retailer prices

From $1,021 AUD
$717 USD
As of October 30, 2026
Save $3,706 AUD (78%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,726 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.76ct lab-grown cushion diamond

This 1.76ct 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 LG802608048 or 802608048. Listed at 6 retailers as of October 30, 2026, with prices from $1,021 to $4,726, a $3,706 spread on the same certified stone. Brilliant Earth lists it at $4,726. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802608048
Dimensions6.96 × 6.92 × 4.53 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
6.96 mm6.92 mm1.76 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802608048
Side View
Table 62.0%Crown 33.6°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,726 AUD|Low: $992 AUD|High: $6,691 AUD|Avg: $2,302 AUD|-29.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$1,021 AUD
Retailer 5$1,031 AUD
Retailer 6$1,454 AUD
Retailer 2$1,647 AUD
Retailer 3$2,533 AUD
Brilliant Earth$4,726 AUD

31 data points across 6 retailers

6 retailers$1,021 AUD to $4,726 AUD

A
Cheapest Retailer
-
$1,021 AUD
$717 USD
A
Retailer 2
-
$1,031 AUD
$724 USD
View
A
Retailer 3
-
$1,454 AUD
€973 EUR
View
A
Retailer 4
-
$1,647 AUD
$1,157 USD
View
B+
Retailer 5
-
$2,533 AUD
£1,401 GBP
View
Most Expensive
B
Brilliant Earth
20556361A · Oct 31
$4,726 AUD
$3,320 USD
View
5 more retailers have this diamond
Prices start from $1,021 AUDSave up to $3,706 AUD

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
1.76ct Cushion
$1,021 AUD