CaratHunter
Plans
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 £253 GBP
$339 USD
As of October 29, 2026
Save £968 GBP (79%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,263 GBP 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 22 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,263 GBP|Low: £201 GBP|High: £1,295 GBP|Avg: £704 GBP|+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£253 GBP
Retailer 12£282 GBP
Retailer 8£313 GBP
Retailer 6£387 GBP
Retailer 5£508 GBP
Retailer 2£562 GBP
Retailer 3£587 GBP
Retailer 7£730 GBP
Retailer 9£919 GBP
Retailer 11£1,184 GBP
Retailer 4£1,221 GBP
MOH London£1,263 GBP

41 data points across 12 retailers

22 retailers£253 GBP to £1,221 GBP

Retailer 1
-
£253 GBP
$339 USD
Price last confirmed 32 days ago
Retailer 2
-
£253 GBP
$339 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£253 GBP
$339 USD
View
A
Retailer 4
-
£282 GBP
$378 USD
View
Final sale: no returns
Retailer 5
-
£293 GBP
$393 USD
View
Price last confirmed 37 days ago
Retailer 6
-
£309 GBP
$414 USD
View
Price last confirmed 32 days ago
Retailer 7
-
£313 GBP
$420 USD
View
Price last confirmed 10 days ago
Retailer 8
-
£313 GBP
$420 USD
View
Price last confirmed 19 days ago
A
Retailer 9
-
£313 GBP
$420 USD
View
Retailer 10
-
£313 GBP
$420 USD
View
Price last confirmed 14 days ago
Retailer 11
-
£313 GBP
$420 USD
View
Price last confirmed 19 days ago
B+
Retailer 12
-
£387 GBP
$518 USD
View
A
Retailer 13
-
£508 GBP
$680 USD
View
A
Retailer 14
-
£562 GBP
View
B+
Retailer 15
-
£587 GBP
$787 USD
View
B+
Retailer 16
-
£730 GBP
A$1,505 AUD
View
B
Retailer 17
-
£919 GBP
$1,231 USD
View
Retailer 18
-
£1,007 GBP
$1,349 USD
View
Price last confirmed 31 days ago
Retailer 19
-
£1,007 GBP
$1,349 USD
View
Price last confirmed 19 days ago
B
Retailer 20
-
£1,184 GBP
$1,587 USD
View
B
Retailer 21
-
£1,221 GBP
$1,636 USD
View
Most Expensive
MOH London
LG818676094 · Oct 21
£1,263 GBP
View
Price last confirmed 10 days ago
21 more retailers have this diamond
Prices start from £253 GBPSave up to £968 GBP

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
£253 GBP