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Cushion|Lab Grown|IGI

1.87ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG744513211

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

Certificate IGI LG744513211

Diamond specifications and retailer prices

From $729 AUD
$512 USD
As of October 30, 2026
Save $4,652 AUD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,381 AUD at Brilliant Earth · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744513211 or 744513211. Listed at 13 retailers as of October 30, 2026, with prices from $729 to $5,381, a $4,652 spread on the same certified stone. Brilliant Earth lists it at $5,381. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513211
Dimensions7.13 × 7.08 × 4.99 mm
L/W Ratio1.01
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
7.13 mm7.08 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513211
Side View
Table 59.0%Crown 37.3°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 70.5%

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: $5,381 AUD|Low: $729 AUD|High: $7,929 AUD|Avg: $2,773 AUD|-32.1%
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
November 1, 2026
Retailer 5$729 AUD
Retailer 9$945 AUD
Retailer 3$1,018 AUD
Retailer 11$1,122 AUD
Retailer 6$1,220 AUD
Retailer 4$1,720 AUD
Retailer 8$1,820 AUD
Retailer 12$2,091 AUD
Retailer 2$2,871 AUD
Retailer 7$4,560 AUD
Retailer 13$4,662 AUD
Retailer 10$5,068 AUD
Brilliant Earth$5,381 AUD

33 data points across 13 retailers

13 retailers$729 AUD to $5,381 AUD

A
Cheapest Retailer
-
$729 AUD
$512 USD
Final sale: no returns
A
Retailer 2
-
$945 AUD
$664 USD
View
A
Retailer 3
-
$1,018 AUD
$715 USD
View
A
Retailer 4
-
$1,122 AUD
$788 USD
View
A
Retailer 5
-
$1,220 AUD
€816 EUR
View
A
Retailer 6
-
$1,720 AUD
$1,208 USD
View
A
Retailer 7
-
$1,820 AUD
View
A
Retailer 8
-
$2,091 AUD
$1,469 USD
View
B+
Retailer 9
-
$2,871 AUD
£1,588 GBP
View
B+
Retailer 10
-
$4,560 AUD
View
Retailer 11
-
$4,662 AUD
$3,275 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$5,068 AUD
$3,560 USD
View
Most Expensive
B
Brilliant Earth
16861319Y · Oct 31
$5,381 AUD
$3,780 USD
View
12 more retailers have this diamond
Prices start from $729 AUDSave up to $4,652 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
$729 AUD