Radiant|Lab Grown|IGI

0.99ct G VVS1 Radiant Lab Grown Diamond

VG • G/VVS1 • IGI LG847688630

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

Certificate IGI LG847688630

Diamond specifications and retailer prices

From £245 GBP
As of October 31, 2026
Save £367 GBP (60%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £612 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 0.99ct lab-grown radiant diamond

This 0.99ct lab-grown radiant sits in the just-under-one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG847688630 or 847688630. Listed at 2 retailers as of October 30, 2026, with prices from £245 to £612, a £367 spread on the same certified stone. Brilliant Earth lists it at £612. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.99
Carat
G
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847688630
Dimensions6.75 × 4.95 × 3.43 mm
L/W Ratio1.36
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.75 mm4.95 mm0.99 ctG / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847688630
Side View
Table 65.0%Crown 46.7°Girdle: MediumPavilion 36.3°Culet: NoneDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £612 GBP|Low: £245 GBP|High: £776 GBP|Avg: £478 GBP|-21.2%
Brilliant Earth
Retailer 2
October 31, 2026
Retailer 2£245 GBP
Brilliant Earth£612 GBP

5 data points across 2 retailers

2 retailers£245 GBP to £612 GBP

A
Cheapest Retailer
-
£245 GBP
Most Expensive
B
Brilliant Earth
22320829A · Oct 30
£612 GBP
$820 USD
View
1 more retailer has this diamond
Prices start from £245 GBPSave up to £367 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
0.99ct Radiant
£245 GBP