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Cushion|Lab Grown|IGI

1.85ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG791631980

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG791631980

Diamond specifications and retailer prices

From $608 AUD
$427 USD
As of October 30, 2026
Save $4,218 AUD (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,826 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.85ct lab-grown cushion diamond

This 1.85ct 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 LG791631980 or 791631980. Listed at 17 retailers as of October 30, 2026, with prices from $608 to $4,826, a $4,218 spread on the same certified stone. Do Amore Diamonds lists it at $4,826. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791631980
Dimensions8.25 × 6.58 × 4.39 mm
L/W Ratio1.25
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
8.25 mm6.58 mm1.85 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791631980
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 39°Culet: NoneDepth 66.7%

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: $4,826 AUD|Low: $608 AUD|High: $4,897 AUD|Avg: $2,557 AUD
Do Amore Diamonds
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 5$608 AUD
Retailer 10$1,018 AUD
Retailer 6$1,075 AUD
Retailer 17$1,149 AUD
Retailer 2$1,217 AUD
Retailer 13$1,279 AUD
Retailer 3$1,656 AUD
Retailer 11$1,734 AUD
Retailer 15$1,760 AUD
Retailer 16$2,525 AUD
Retailer 4$2,610 AUD
Retailer 7$2,658 AUD
Retailer 12$2,750 AUD
Retailer 9$3,580 AUD
Retailer 8$4,560 AUD
Retailer 14$4,641 AUD
Do Amore Diamonds$4,826 AUD

42 data points across 17 retailers

17 retailers$608 AUD to $4,826 AUD

A
Cheapest Retailer
-
$608 AUD
$427 USD
Final sale: no returns
A
Retailer 2
-
$1,018 AUD
$715 USD
View
A
Retailer 3
-
$1,075 AUD
$755 USD
View
A
Retailer 4
-
$1,149 AUD
$807 USD
View
A
Retailer 5
-
$1,217 AUD
£673 GBP
View
A
Retailer 6
-
$1,279 AUD
ZAR 14,519 ZAR
View
A
Retailer 7
-
$1,656 AUD
$1,163 USD
View
A
Retailer 8
-
$1,734 AUD
View
A
Retailer 9
-
$1,760 AUD
$1,236 USD
View
A
Retailer 10
-
$2,525 AUD
$1,774 USD
View
A
Retailer 11
-
$2,610 AUD
$1,833 USD
View
A
Retailer 12
-
$2,658 AUD
SGD 2,523 SGD
View
B+
Retailer 13
-
$2,750 AUD
£1,521 GBP
View
Retailer 14
-
$3,580 AUD
£1,980 GBP
View
Price last confirmed 23 days ago
Retailer 15
-
$4,560 AUD
View
Price last confirmed 23 days ago
Retailer 16
-
$4,641 AUD
$3,260 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-13FD845E7 · Oct 30
$4,826 AUD
$3,390 USD
View
16 more retailers have this diamond
Prices start from $608 AUDSave up to $4,218 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
1.85ct Cushion
$608 AUD