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Cushion|Lab Grown|IGI

1.89ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG677580292

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG677580292

Diamond specifications and retailer prices

From £460 GBP
$616 USD
As of November 1, 2026
Save £1,018 GBP (69%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,478 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.89ct lab-grown cushion diamond

This 1.89ct 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 LG677580292 or 677580292. Listed at 2 retailers as of October 31, 2026, with prices from £460 to £1,478, a £1,018 spread on the same certified stone. Brilliant Earth lists it at £1,478. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677580292
Dimensions8.07 × 6.67 × 4.43 mm
L/W Ratio1.21
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm6.67 mm1.89 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677580292
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 37°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £1,478 GBP|Low: £449 GBP|High: £1,478 GBP|Avg: £881 GBP|+6.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 23, 2026
Retailer 2£460 GBP
Retailer 3£487 GBP
Retailer 4£716 GBP
Retailer 6£723 GBP
Retailer 5£1,081 GBP
Brilliant Earth£1,478 GBP

23 data points across 6 retailers

2 retailers£460 GBP to £1,478 GBP

A
Cheapest Retailer
-
£460 GBP
$616 USD
Most Expensive
B
Brilliant Earth
15258674Y · Oct 31
£1,478 GBP
$1,980 USD
View
1 more retailer has this diamond
Prices start from £460 GBPSave up to £1,018 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
1.89ct Cushion
£460 GBP