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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG818676094

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG818676094

Diamond specifications and retailer prices

From $339 USD
As of October 29, 2026
Save $1,297 USD (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,692 USD at MOH London · As of October 21, 2026
View at MOH London

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 LG818676094 or 818676094. Listed at 21 retailers as of October 29, 2026, with a 382% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle37.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818676094
Dimensions8.80 × 6.67 × 4.06 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.80 mm6.67 mm1.87 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818676094
Side View
Table 56.0%Crown 37.6°Girdle: MED-STKPavilion 38.1°Culet: LargeDepth 60.9%

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 29
Current: $1,692 USD|Low: $269 USD|High: $1,735 USD|Avg: $943 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$339 USD
Retailer 12$378 USD
Retailer 8$420 USD
Retailer 6$518 USD
Retailer 5$680 USD
Retailer 2$753 USD
Retailer 3$787 USD
Retailer 7$978 USD
Retailer 9$1,231 USD
Retailer 11$1,587 USD
Retailer 4$1,636 USD
MOH London$1,692 USD

41 data points across 12 retailers

21 retailers$339 USD to $1,636 USD

Retailer 1
-
$339 USD
Price last confirmed 32 days ago
Retailer 2
-
$339 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$339 USD
View
A
Retailer 4
-
$378 USD
View
Final sale: no returns
Retailer 5
-
$393 USD
View
Price last confirmed 37 days ago
Retailer 6
-
$414 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$420 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$420 USD
View
Price last confirmed 19 days ago
Retailer 9
-
$420 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$420 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$518 USD
View
A
Retailer 12
-
$680 USD
View
A
Retailer 13
-
$753 USD
£593 GBP
View
B+
Retailer 14
-
$787 USD
View
B+
Retailer 15
-
$978 USD
A$1,505 AUD
View
B
Retailer 16
-
$1,231 USD
View
Retailer 17
-
$1,349 USD
View
Price last confirmed 31 days ago
Retailer 18
-
$1,349 USD
View
Price last confirmed 19 days ago
B
Retailer 19
-
$1,587 USD
View
B
Retailer 20
-
$1,636 USD
View
Most Expensive
MOH London
LG818676094 · Oct 21
$1,692 USD
£1,332 GBP
View
Price last confirmed 10 days ago
20 more retailers have this diamond
Prices start from $339 USDSave up to $1,297 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
$339 USD