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Cushion|Lab Grown|IGI

1.87ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG825667157

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

Certificate IGI LG825667157

Diamond specifications and retailer prices

From $1,063 AUD
$747 USD
As of October 30, 2026
Save $4,901 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,965 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.87ct lab-grown cushion diamond

This 1.87ct 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 LG825667157 or 825667157. Listed at 17 retailers as of October 30, 2026, with prices from $1,063 to $5,965, a $4,901 spread on the same certified stone. Brilliant Earth lists it at $5,965. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825667157
Dimensions6.94 × 6.94 × 4.55 mm
L/W Ratio1.00
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
6.94 mm6.94 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825667157
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 65.6%

Caratlytics Score

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A+
Exceptional
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: $5,965 AUD|Low: $1,063 AUD|High: $8,826 AUD|Avg: $2,973 AUD|-30.1%
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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 3$1,063 AUD
Retailer 9$1,068 AUD
Retailer 14$1,253 AUD
Retailer 6$1,399 AUD
Retailer 15$1,657 AUD
Retailer 10$1,695 AUD
Retailer 2$1,756 AUD
Retailer 13$1,860 AUD
Retailer 16$2,266 AUD
Retailer 7$2,343 AUD
Retailer 5$3,146 AUD
Retailer 17$3,497 AUD
Retailer 11$3,696 AUD
Retailer 8$3,842 AUD
Retailer 4$4,064 AUD
Retailer 12$4,724 AUD
Brilliant Earth$5,965 AUD

33 data points across 17 retailers

17 retailers$1,063 AUD to $5,965 AUD

A+
Cheapest Retailer
-
$1,063 AUD
$747 USD
Final sale: no returns
Retailer 2
-
$1,068 AUD
$750 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,253 AUD
$880 USD
View
A
Retailer 4
-
$1,399 AUD
$983 USD
View
A
Retailer 5
-
$1,657 AUD
$1,164 USD
View
A
Retailer 6
-
$1,695 AUD
£937 GBP
View
A
Retailer 7
-
$1,756 AUD
€1,175 EUR
View
A
Retailer 8
-
$1,860 AUD
ZAR 21,107 ZAR
View
A
Retailer 9
-
$2,266 AUD
$1,592 USD
View
A
Retailer 10
-
$2,343 AUD
$1,646 USD
View
B+
Retailer 11
-
$3,146 AUD
£1,740 GBP
View
B+
Retailer 12
-
$3,497 AUD
$2,457 USD
View
B+
Retailer 13
-
$3,696 AUD
$2,596 USD
View
B+
Retailer 14
-
$3,842 AUD
SGD 3,647 SGD
View
B+
Retailer 15
-
$4,064 AUD
$2,855 USD
View
B+
Retailer 16
-
$4,724 AUD
£2,613 GBP
View
Most Expensive
B
Brilliant Earth
21434396A · Oct 30
$5,965 AUD
$4,190 USD
View
16 more retailers have this diamond
Prices start from $1,063 AUDSave up to $4,901 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+
1.87ct Cushion
$1,063 AUD