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Radiant|Lab Grown|IGI

7.85ct H VS1 Radiant Lab Grown Diamond

EX • H/VS1 • IGI LG837697899

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

Certificate IGI LG837697899

Diamond specifications and retailer prices

From £717 GBP
$961 USD
As of October 31, 2026
Save £455 GBP (39%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,172 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 7.85ct lab-grown radiant diamond

This 7.85ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837697899 or 837697899. Listed at 2 retailers as of October 31, 2026, with prices from £717 to £1,172, a £455 spread on the same certified stone. 77 Diamonds lists it at £1,172. 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

7.85
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837697899
Dimensions14.21 × 9.75 × 6.61 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.21 mm9.75 mm7.85 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837697899
Side View
Table 65.0%Crown 45.8°Girdle: MediumPavilion 35.9°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,172 GBP|Low: £717 GBP|High: £1,300 GBP|Avg: £1,085 GBP|-6.1%
77 Diamonds
Retailer 2
November 1, 2026
Retailer 2£717 GBP
77 Diamonds£1,172 GBP

32 data points across 2 retailers

2 retailers£717 GBP to £1,172 GBP

A
Cheapest Retailer
-
£717 GBP
$961 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
RADTVSEF4VY454 · Nov 1
£1,172 GBP
View
1 more retailer has this diamond
Prices start from £717 GBPSave up to £455 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
7.85ct Radiant
£717 GBP