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Cushion|Lab Grown|IGI

1.77ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG841678782

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG841678782

Diamond specifications and retailer prices

From $867 AUD
£479 GBP
As of October 30, 2026
Save $4,429 AUD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,296 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.77ct lab-grown cushion diamond

This 1.77ct 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 LG841678782 or 841678782. Listed at 12 retailers as of October 30, 2026, with prices from $867 to $5,296, a $4,429 spread on the same certified stone. Do Amore Diamonds lists it at $5,296. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678782
Dimensions9.09 × 5.98 × 4.18 mm
L/W Ratio1.52
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
9.09 mm5.98 mm1.77 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678782
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 69.9%

Caratlytics Score

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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: $5,296 AUD|Low: $865 AUD|High: $7,889 AUD|Avg: $3,266 AUD|-19.5%
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
October 31, 2026
Retailer 7$867 AUD
Retailer 11$1,068 AUD
Retailer 10$1,166 AUD
Retailer 9$1,284 AUD
Retailer 13$1,566 AUD
Retailer 8$1,902 AUD
Retailer 12$3,005 AUD
Retailer 4$3,721 AUD
Retailer 3$3,837 AUD
Retailer 5$4,094 AUD
Retailer 2$4,173 AUD
Retailer 6$4,726 AUD
Do Amore Diamonds$5,296 AUD

23 data points across 13 retailers

12 retailers$867 AUD to $5,296 AUD

A
Cheapest Retailer
-
$867 AUD
£479 GBP
A
Retailer 2
-
$1,068 AUD
$750 USD
View
A
Retailer 3
-
$1,166 AUD
$819 USD
View
A
Retailer 4
-
$1,284 AUD
€859 EUR
View
A
Retailer 5
-
$1,566 AUD
$1,100 USD
View
A
Retailer 6
-
$1,902 AUD
View
B+
Retailer 7
-
$3,005 AUD
£1,662 GBP
View
Retailer 8
-
$3,721 AUD
$2,614 USD
View
Price last confirmed 15 days ago
Retailer 9
-
$3,837 AUD
$2,695 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$4,173 AUD
View
B+
Retailer 11
-
$4,726 AUD
$3,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-17A4E9947 · Oct 31
$5,296 AUD
$3,720 USD
View
11 more retailers have this diamond
Prices start from $867 AUDSave up to $4,429 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
1.77ct Cushion
$867 AUD