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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 €295 EUR
$330 USD
As of October 30, 2026
Save €1,531 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,826 EUR 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 29, 2026, with prices from €295 to €1,826, a €1,531 spread on the same certified stone. Brilliant Earth lists it at €1,826. 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 30
Current: €1,826 EUR|Low: €295 EUR|High: €1,924 EUR|Avg: €809 EUR|-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 31, 2026
Retailer 6€295 EUR
Retailer 4€328 EUR
Retailer 2€536 EUR
Retailer 3€539 EUR
Retailer 10€542 EUR
Retailer 9€565 EUR
Retailer 7€583 EUR
Retailer 5€641 EUR
Retailer 8€764 EUR
Retailer 14€1,155 EUR
Retailer 13€1,178 EUR
Retailer 11€1,320 EUR
Retailer 12€1,324 EUR
Brilliant Earth€1,826 EUR

43 data points across 14 retailers

19 retailers€295 EUR to €1,826 EUR

A
Cheapest Retailer
-
€295 EUR
$330 USD
Final sale: no returns
A
Retailer 2
-
€328 EUR
$367 USD
View
A
Retailer 3
-
€536 EUR
View
A
Retailer 4
-
€539 EUR
$602 USD
View
A
Retailer 5
-
€542 EUR
$605 USD
View
A
Retailer 6
-
€565 EUR
ZAR 10,195 ZAR
View
A
Retailer 7
-
€583 EUR
£513 GBP
View
A
Retailer 8
-
€641 EUR
$716 USD
View
B+
Retailer 9
-
€692 EUR
$773 USD
View
B+
Retailer 10
-
€764 EUR
A$1,314 AUD
View
B
Retailer 11
-
€1,100 EUR
$1,229 USD
View
B
Retailer 12
-
€1,155 EUR
$1,290 USD
View
Retailer 13
-
€1,178 EUR
A$2,024 AUD
View
Price last confirmed 23 days ago
B
Retailer 14
-
€1,265 EUR
$1,413 USD
View
B
Retailer 15
-
€1,282 EUR
£1,128 GBP
View
Retailer 16
-
€1,320 EUR
$1,475 USD
View
Price last confirmed 13 days ago
B
Retailer 17
-
€1,324 EUR
£1,165 GBP
View
B
Retailer 18
-
€1,436 EUR
$1,604 USD
View
Most Expensive
B
Brilliant Earth
13554911A · Oct 29
€1,826 EUR
$2,040 USD
View
18 more retailers have this diamond
Prices start from €295 EURSave up to €1,531 EUR

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
€295 EUR