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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 $512 USD
As of October 30, 2026
Save $3,268 USD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,780 USD 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 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 $512 to $3,780, a $3,268 spread on the same certified stone. Brilliant Earth lists it at $3,780. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513211
Dimensions7.13 × 7.13 × 7.08 mm
L/W Ratio1.00
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 mm7.13 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: $3,780 USD|Low: $366 USD|High: $5,570 USD|Avg: $1,954 USD|-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
October 30, 2026
Retailer 5$512 USD
Retailer 7$664 USD
Retailer 13$715 USD
Retailer 9$788 USD
Retailer 6$863 USD
Retailer 3$1,208 USD
Retailer 2$1,279 USD
Retailer 11$1,469 USD
Retailer 10$2,019 USD
Retailer 4$3,239 USD
Retailer 12$3,275 USD
Retailer 8$3,560 USD
Brilliant Earth$3,780 USD

33 data points across 13 retailers

13 retailers$512 USD to $3,780 USD

A
Cheapest Retailer
-
$512 USD
Final sale: no returns
A
Retailer 2
-
$664 USD
View
A
Retailer 3
-
$715 USD
View
A
Retailer 4
-
$788 USD
View
A
Retailer 5
-
$863 USD
€822 EUR
View
A
Retailer 6
-
$1,208 USD
View
A
Retailer 7
-
$1,279 USD
A$1,967 AUD
View
A
Retailer 8
-
$1,469 USD
View
B+
Retailer 9
-
$2,019 USD
£1,590 GBP
View
Retailer 10
-
$3,239 USD
A$4,983 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$3,275 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$3,560 USD
View
Most Expensive
B
Brilliant Earth
16861319Y · Oct 30
$3,780 USD
View
12 more retailers have this diamond
Prices start from $512 USDSave up to $3,268 USD

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
$512 USD