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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG662455746

Shape and cutting style on the report: Square cushion cut

Certificate IGI LG662455746

Diamond specifications and retailer prices

From $314 USD
As of October 29, 2026
Save $2,466 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,780 USD at Brilliant Earth · As of October 28, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662455746 or 662455746. Listed at 19 retailers as of October 28, 2026, with prices from $314 to $2,780, a $2,466 spread on the same certified stone. Brilliant Earth lists it at $2,780. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662455746
Dimensions7.18 × 7.05 × 4.75 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.18 mm7.05 mm1.87 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662455746
Side View
Table 61.0%Crown 36°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
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 29
Current: $2,780 USD|Low: $255 USD|High: $2,920 USD|Avg: $892 USD|-4.5%
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
Retailer 19
October 30, 2026
Retailer 4$314 USD
Retailer 9$350 USD
Retailer 15$364 USD
Retailer 18$389 USD
Retailer 19$389 USD
Retailer 17$435 USD
Retailer 14$545 USD
Retailer 12$580 USD
Retailer 10$633 USD
Retailer 2$693 USD
Retailer 7$779 USD
Retailer 16$1,141 USD
Retailer 3$1,250 USD
Retailer 8$1,296 USD
Retailer 6$1,495 USD
Retailer 11$1,556 USD
Retailer 13$1,567 USD
Retailer 5$1,767 USD
Brilliant Earth$2,780 USD

37 data points across 19 retailers

19 retailers$314 USD to $2,780 USD

A
Cheapest Retailer
-
$314 USD
A
Retailer 2
-
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$364 USD
View
A
Retailer 4
-
$389 USD
View
A
Retailer 5
-
$389 USD
View
Retailer 6
-
$435 USD
£343 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$545 USD
View
A
Retailer 8
-
$580 USD
€552 EUR
View
A
Retailer 9
-
$633 USD
View
A
Retailer 10
-
$693 USD
£546 GBP
View
A
Retailer 11
-
$779 USD
View
B+
Retailer 12
-
$1,141 USD
View
B
Retailer 13
-
$1,250 USD
View
B
Retailer 14
-
$1,296 USD
View
B
Retailer 15
-
$1,495 USD
View
B
Retailer 16
-
$1,556 USD
View
B
Retailer 17
-
$1,567 USD
£1,234 GBP
View
B
Retailer 18
-
$1,767 USD
View
Most Expensive
B
Brilliant Earth
20358781A · Oct 28
$2,780 USD
View
18 more retailers have this diamond
Prices start from $314 USDSave up to $2,466 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
$314 USD