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Cushion|Lab Grown|IGI

11.87ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG845659681

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG845659681

Diamond specifications and retailer prices

From £2,212 GBP
$2,968 USD
As of November 2, 2026
Save £6,809 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £9,021 GBP at With Clarity · As of November 3, 2026
View at With Clarity

About this 11.87ct lab-grown cushion diamond

This 11.87ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845659681 or 845659681. Listed at 5 retailers as of November 2, 2026, with prices from £2,212 to £9,021, a £6,809 spread on the same certified stone. With Clarity lists it at £9,021. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.87
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845659681
Dimensions16.01 × 11.73 × 7.93 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.01 mm11.73 mm11.87 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845659681
Side View
Table 62.0%Crown 37.1°Girdle: MED-THKPavilion 35.8°Culet: NoneDepth 67.6%

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: Nov 2
Current: £2,804 GBP|Low: £2,212 GBP|High: £9,021 GBP|Avg: £4,774 GBP|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
With Clarity
November 2, 2026
Retailer 4£2,212 GBP
Retailer 1£2,804 GBP
Retailer 3£4,434 GBP
Retailer 2£4,579 GBP
With Clarity£9,021 GBP

11 data points across 5 retailers

5 retailers£2,212 GBP to £9,021 GBP

A
Cheapest Retailer
-
£2,212 GBP
$2,968 USD
A
Retailer 2
-
£2,804 GBP
€3,584 EUR
View
Retailer 3
-
£4,434 GBP
$5,950 USD
View
Price last confirmed 12 days ago
B+
Retailer 4
-
£4,579 GBP
$6,145 USD
View
Most Expensive
B
With Clarity
845659681 · Nov 3
£9,021 GBP
$12,105 USD
View
4 more retailers have this diamond
Prices start from £2,212 GBPSave up to £6,809 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
11.87ct Cushion
£2,212 GBP