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Cushion|Lab Grown|IGI

1.87ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG780605558

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780605558

Diamond specifications and retailer prices

From £344 GBP
€440 EUR
As of October 31, 2026
Save £524 GBP (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £868 GBP at With Clarity · As of November 1, 2026
View at With Clarity

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780605558 or 780605558. Listed at 8 retailers as of October 31, 2026, with prices from £344 to £868, a £524 spread on the same certified stone. With Clarity lists it at £868. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780605558
Dimensions9.15 × 6.29 × 4.18 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm6.29 mm1.87 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780605558
Side View
Table 62.0%Crown 36.3°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £344 GBP|Low: £231 GBP|High: £912 GBP|Avg: £642 GBP|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 31, 2026
Retailer 5£231 GBP
Retailer 1£344 GBP
Retailer 9£418 GBP
Retailer 7£461 GBP
Retailer 4£481 GBP
Retailer 2£747 GBP
Retailer 10£747 GBP
Retailer 6£753 GBP
Retailer 3£831 GBP
Retailer 8£858 GBP
With Clarity£868 GBP

24 data points across 11 retailers

8 retailers£344 GBP to £868 GBP

Retailer 1
-
£231 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
£344 GBP
€440 EUR
View
A
Retailer 3
-
£461 GBP
$619 USD
View
A
Retailer 4
-
£481 GBP
A$994 AUD
View
B+
Retailer 5
-
£753 GBP
$1,010 USD
View
B+
Retailer 6
-
£831 GBP
View
Retailer 7
-
£858 GBP
SGD 1,556 SGD
View
Price last confirmed 20 days ago
Most Expensive
B+
With Clarity
780605558 · Nov 1
£868 GBP
$1,165 USD
View
7 more retailers have this diamond
Prices start from £344 GBPSave up to £524 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
£344 GBP