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 $747 USD
As of October 30, 2026
Save $3,443 USD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,190 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 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 $747 to $4,190, a $3,443 spread on the same certified stone. Brilliant Earth lists it at $4,190. 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
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

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,190 USD|Low: $747 USD|High: $6,200 USD|Avg: $2,088 USD|-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$747 USD
Retailer 9$750 USD
Retailer 14$880 USD
Retailer 6$983 USD
Retailer 15$1,164 USD
Retailer 2$1,190 USD
Retailer 11$1,242 USD
Retailer 13$1,307 USD
Retailer 16$1,592 USD
Retailer 7$1,646 USD
Retailer 5$2,210 USD
Retailer 17$2,457 USD
Retailer 10$2,596 USD
Retailer 8$2,699 USD
Retailer 4$2,855 USD
Retailer 12$3,319 USD
Brilliant Earth$4,190 USD

33 data points across 17 retailers

17 retailers$747 USD to $4,190 USD

A+
Cheapest Retailer
-
$747 USD
Final sale: no returns
Retailer 2
-
$750 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$880 USD
View
A
Retailer 4
-
$983 USD
View
A
Retailer 5
-
$1,164 USD
View
A
Retailer 6
-
$1,190 USD
£937 GBP
View
A
Retailer 7
-
$1,242 USD
€1,183 EUR
View
A
Retailer 8
-
$1,307 USD
ZAR 21,107 ZAR
View
A
Retailer 9
-
$1,592 USD
View
A
Retailer 10
-
$1,646 USD
View
B+
Retailer 11
-
$2,210 USD
£1,740 GBP
View
B+
Retailer 12
-
$2,457 USD
View
B+
Retailer 13
-
$2,596 USD
View
B+
Retailer 14
-
$2,699 USD
SGD 3,647 SGD
View
B+
Retailer 15
-
$2,855 USD
View
B+
Retailer 16
-
$3,319 USD
£2,613 GBP
View
Most Expensive
B
Brilliant Earth
21434396A · Oct 30
$4,190 USD
View
16 more retailers have this diamond
Prices start from $747 USDSave up to $3,443 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
$747 USD