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Cushion|Lab Grown|IGI

1.86ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG794625116

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

Certificate IGI LG794625116

Diamond specifications and retailer prices

From $2,350 AUD
$1,651 USD
As of October 31, 2026
Save $3,543 AUD (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,894 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.86ct lab-grown cushion diamond

This 1.86ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794625116 or 794625116. Listed at 5 retailers as of October 30, 2026, with prices from $2,350 to $5,894, a $3,543 spread on the same certified stone. Brilliant Earth lists it at $5,894. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794625116
Dimensions7.05 × 6.94 × 4.62 mm
L/W Ratio1.02
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 mm6.94 mm1.86 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794625116
Side View
Table 65.0%Crown 33°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 66.6%

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 31
Current: $5,894 AUD|Low: $1,338 AUD|High: $10,165 AUD|Avg: $4,205 AUD|-32.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 31, 2026
Retailer 16$1,338 AUD
Retailer 11$1,515 AUD
Retailer 2$2,350 AUD
Retailer 5$2,463 AUD
Retailer 9$2,592 AUD
Retailer 17$2,791 AUD
Retailer 14$2,883 AUD
Retailer 3$3,033 AUD
Retailer 13$3,229 AUD
Retailer 6$3,960 AUD
Retailer 7$4,643 AUD
Retailer 10$5,096 AUD
Retailer 15$5,558 AUD
Retailer 8$5,869 AUD
Brilliant Earth$5,894 AUD
Retailer 4$5,969 AUD
Retailer 12$7,033 AUD

19 data points across 17 retailers

5 retailers$2,350 AUD to $5,894 AUD

Retailer 1
-
$1,515 AUD
$1,064 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$2,350 AUD
$1,651 USD
View
Retailer 3
-
$5,096 AUD
$3,580 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$5,558 AUD
£3,074 GBP
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
21414001Y · Oct 30
$5,894 AUD
$4,140 USD
View
4 more retailers have this diamond
Prices start from $2,350 AUDSave up to $3,543 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
1.86ct Cushion
$2,350 AUD