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Cushion|Lab Grown|IGI

1.87ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG833640328

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833640328

Diamond specifications and retailer prices

From £329 GBP
€420 EUR
As of October 31, 2026
Save £490 GBP (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £825 GBP at Michael Trio · As of October 13, 2026
View at Michael Trio

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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833640328 or 833640328. Listed at 7 retailers as of October 30, 2026, with a 149% 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
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833640328
Dimensions9.14 × 6.22 × 4.16 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.14 mm6.22 mm1.87 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833640328
Side View
Table 64.0%Crown 34.2°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
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 31
Current: £825 GBP|Low: £241 GBP|High: £876 GBP|Avg: £641 GBP|+2.2%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4£241 GBP
Retailer 2£329 GBP
Retailer 7£453 GBP
Retailer 6£711 GBP
Retailer 3£787 GBP
Retailer 5£819 GBP
Michael Trio£825 GBP

27 data points across 7 retailers

7 retailers£329 GBP to £819 GBP

Retailer 1
-
£241 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
£329 GBP
€420 EUR
View
A
Retailer 3
-
£453 GBP
$607 USD
View
B+
Retailer 4
-
£711 GBP
$952 USD
View
Retailer 5
-
£787 GBP
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£819 GBP
$1,097 USD
View
Most Expensive
Michael Trio
1960781892 · Oct 13
£825 GBP
SGD 1,493 SGD
View
Price last confirmed 19 days ago
6 more retailers have this diamond
Prices start from £329 GBPSave up to £490 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
£329 GBP