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Radiant|Lab Grown|IGI

6.87ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG834616879

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG834616879

Diamond specifications and retailer prices

From £714 GBP
$958 USD
As of November 1, 2026
Save £3,720 GBP (84%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,434 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 6.87ct lab-grown radiant diamond

This 6.87ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834616879 or 834616879. Listed at 3 retailers as of November 1, 2026, with prices from £714 to £4,434, a £3,720 spread on the same certified stone. Brilliant Earth lists it at £4,434. 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

6.87
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834616879
Dimensions13.57 × 9.30 × 6.19 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.57 mm9.30 mm6.87 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834616879
Side View
Table 68.0%Crown 45.6°Girdle: MediumPavilion 35.2°Culet: NoneDepth 66.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £4,434 GBP|Low: £714 GBP|High: £8,368 GBP|Avg: £3,460 GBP|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£714 GBP
Retailer 2£1,174 GBP
Brilliant Earth£4,434 GBP

37 data points across 3 retailers

3 retailers£714 GBP to £4,434 GBP

A
Cheapest Retailer
-
£714 GBP
$958 USD
Final sale: no returns
A
Retailer 2
-
£1,174 GBP
View
Most Expensive
B
Brilliant Earth
21300893A · Nov 2
£4,434 GBP
$5,950 USD
View
2 more retailers have this diamond
Prices start from £714 GBPSave up to £3,720 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
6.87ct Radiant
£714 GBP