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Cushion|Lab Grown|IGI

1.87ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG691592978

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG691592978

Diamond specifications and retailer prices

From $330 USD
As of October 28, 2026
Save $1,710 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,040 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 LG691592978 or 691592978. Listed at 19 retailers as of October 28, 2026, with prices from $330 to $2,040, a $1,710 spread on the same certified stone. Brilliant Earth lists it at $2,040. 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 angle37.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691592978
Dimensions8.07 × 6.48 × 4.55 mm
L/W Ratio1.25
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
8.07 mm6.48 mm1.87 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691592978
Side View
Table 62.0%Crown 37.3°Girdle: MED-THKPavilion 41°Culet: NoneDepth 70.2%

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 28
Current: $2,040 USD|Low: $330 USD|High: $2,150 USD|Avg: $899 USD|-5.1%
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
October 30, 2026
Retailer 6$330 USD
Retailer 4$367 USD
Retailer 3$602 USD
Retailer 7$604 USD
Retailer 10$605 USD
Retailer 9$631 USD
Retailer 2$651 USD
Retailer 5$716 USD
Retailer 8$854 USD
Retailer 14$1,290 USD
Retailer 13$1,316 USD
Retailer 11$1,475 USD
Retailer 12$1,480 USD
Brilliant Earth$2,040 USD

44 data points across 14 retailers

19 retailers$330 USD to $2,040 USD

A
Cheapest Retailer
-
$330 USD
Final sale: no returns
A
Retailer 2
-
$367 USD
View
A
Retailer 3
-
$602 USD
View
A
Retailer 4
-
$604 USD
€575 EUR
View
A
Retailer 5
-
$605 USD
View
A
Retailer 6
-
$631 USD
ZAR 10,195 ZAR
View
A
Retailer 7
-
$651 USD
£513 GBP
View
A
Retailer 8
-
$716 USD
View
B+
Retailer 9
-
$773 USD
View
B+
Retailer 10
-
$854 USD
A$1,314 AUD
View
B
Retailer 11
-
$1,229 USD
View
B
Retailer 12
-
$1,290 USD
View
Retailer 13
-
$1,316 USD
A$2,024 AUD
View
Price last confirmed 21 days ago
B
Retailer 14
-
$1,413 USD
View
B
Retailer 15
-
$1,433 USD
£1,128 GBP
View
Retailer 16
-
$1,475 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$1,480 USD
£1,165 GBP
View
B
Retailer 18
-
$1,604 USD
View
Most Expensive
B
Brilliant Earth
13554911A · Oct 29
$2,040 USD
View
18 more retailers have this diamond
Prices start from $330 USDSave up to $1,710 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
$330 USD