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Cushion|Lab Grown|IGI

1.87ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG786648222

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786648222

Diamond specifications and retailer prices

From $476 USD
As of October 30, 2026
Save $3,384 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,860 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 LG786648222 or 786648222. Listed at 19 retailers as of October 30, 2026, with prices from $476 to $3,860, a $3,384 spread on the same certified stone. Brilliant Earth lists it at $3,860. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786648222
Dimensions6.30 × 6.30 × 8.87 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
6.30 mm6.30 mm1.87 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786648222
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,860 USD|Low: $476 USD|High: $5,450 USD|Avg: $1,873 USD|-29.2%
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
Retailer 18
October 30, 2026
Retailer 6$476 USD
Retailer 17$800 USD
Retailer 7$833 USD
Retailer 12$847 USD
Retailer 4$858 USD
Retailer 2$871 USD
Retailer 14$908 USD
Retailer 11$1,230 USD
Retailer 16$1,250 USD
Retailer 5$1,528 USD
Retailer 8$1,681 USD
Retailer 3$1,731 USD
Retailer 13$1,951 USD
Retailer 18$1,978 USD
Retailer 10$2,545 USD
Retailer 9$3,239 USD
Retailer 15$3,385 USD
Brilliant Earth$3,860 USD

42 data points across 18 retailers

19 retailers$476 USD to $3,860 USD

A
Cheapest Retailer
-
$476 USD
Final sale: no returns
A
Retailer 2
-
$800 USD
View
A
Retailer 3
-
$833 USD
View
A
Retailer 4
-
$847 USD
€807 EUR
View
A
Retailer 5
-
$858 USD
View
A
Retailer 6
-
$871 USD
£686 GBP
View
A
Retailer 7
-
$908 USD
ZAR 14,666 ZAR
View
A
Retailer 8
-
$1,230 USD
A$1,893 AUD
View
A
Retailer 9
-
$1,250 USD
View
A
Retailer 10
-
$1,528 USD
View
A
Retailer 11
-
$1,681 USD
SGD 2,271 SGD
View
B+
Retailer 12
-
$1,731 USD
View
B+
Retailer 13
-
$1,844 USD
View
B+
Retailer 14
-
$1,951 USD
£1,536 GBP
View
B+
Retailer 15
-
$1,978 USD
View
Retailer 16
-
$2,545 USD
£2,004 GBP
View
Price last confirmed 22 days ago
Retailer 17
-
$3,239 USD
A$4,983 AUD
View
Price last confirmed 22 days ago
Retailer 18
-
$3,385 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
18398244A · Oct 30
$3,860 USD
View
18 more retailers have this diamond
Prices start from $476 USDSave up to $3,384 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
$476 USD