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Radiant|Lab Grown|IGI

0.67ct E SI1 Radiant Lab Grown Diamond

GD • E/SI1 • IGI LG614326156

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

Certificate IGI LG614326156

Diamond specifications and retailer prices

From £374 GBP
As of October 29, 2026
2 retailers carry this diamond
Most expensive: £374 GBP at MD Diamonds and Jewellers
View at MD Diamonds and Jewellers

About this 0.67ct lab-grown radiant diamond

This 0.67ct lab-grown radiant sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG614326156 or 614326156. Listed at 2 retailers as of October 29, 2026. 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

0.67
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.1°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614326156
Dimensions6.21 × 4.30 × 3.00 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.21 mm4.30 mm0.67 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG614326156
Side View
Table 59.0%Crown 38.1°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 69.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: £413 GBP|Low: £164 GBP|High: £502 GBP|Avg: £308 GBP|+5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
August 28, 2026
Retailer 6£164 GBP
Retailer 5£204 GBP
Retailer 2£216 GBP
Retailer 7£222 GBP
Retailer 3£236 GBP
Retailer 1£413 GBP
Retailer 4£502 GBP

20 data points across 7 retailers

2 retailers

Retailer 1
-
£236 GBP
Price last confirmed 63 days ago
Most Expensive
B
MD Diamonds and Jewellers
LG614326156 · Oct 29
£374 GBP
View
1 more retailer has this diamond

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.

B
0.67ct Radiant
£374 GBP