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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG836626577

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836626577

Diamond specifications and retailer prices

From $280 USD
As of October 27, 2026
Save $1,470 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,750 USD at Brilliant Earth · As of October 29, 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 LG836626577 or 836626577. Listed at 18 retailers as of October 27, 2026, with prices from $280 to $1,750, a $1,470 spread on the same certified stone. Brilliant Earth lists it at $1,750. 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
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836626577
Dimensions8.38 × 6.41 × 4.00 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.38 mm6.41 mm1.87 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG836626577
Side View
Table 65.0%Crown 33.2°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 62.4%

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 27
Current: $1,750 USD|Low: $280 USD|High: $1,830 USD|Avg: $845 USD|-4.4%
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 29, 2026
Retailer 8$280 USD
Retailer 17$346 USD
Retailer 13$348 USD
Retailer 3$470 USD
Retailer 2$494 USD
Retailer 4$522 USD
Retailer 16$526 USD
Retailer 10$589 USD
Retailer 14$589 USD
Retailer 9$757 USD
Retailer 12$995 USD
Retailer 7$1,052 USD
Retailer 5$1,225 USD
Retailer 15$1,250 USD
Retailer 11$1,264 USD
Retailer 6$1,356 USD
Retailer 18$1,440 USD
Brilliant Earth$1,750 USD

24 data points across 18 retailers

18 retailers$280 USD to $1,750 USD

A
Cheapest Retailer
-
$280 USD
Final sale: no returns
A
Retailer 2
-
$346 USD
HK$2,700 HKD
View
A
Retailer 3
-
$348 USD
£274 GBP
View
A
Retailer 4
-
$470 USD
View
A
Retailer 5
-
$494 USD
€470 EUR
View
B+
Retailer 6
-
$522 USD
View
A
Retailer 7
-
$526 USD
ZAR 8,504 ZAR
View
A
Retailer 8
-
$589 USD
View
A
Retailer 9
-
$589 USD
£464 GBP
View
A
Retailer 10
-
$757 USD
View
B+
Retailer 11
-
$995 USD
SGD 1,344 SGD
View
B+
Retailer 12
-
$1,052 USD
View
B+
Retailer 13
-
$1,225 USD
View
B+
Retailer 14
-
$1,250 USD
£984 GBP
View
B
Retailer 15
-
$1,264 USD
View
B
Retailer 16
-
$1,356 USD
View
Retailer 17
-
$1,440 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21807572A · Oct 29
$1,750 USD
View
17 more retailers have this diamond
Prices start from $280 USDSave up to $1,470 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
$280 USD