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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 $498 USD
£392 GBP
As of October 29, 2026
2 retailers carry this diamond
Most expensive: $498 USD 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
Color
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

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $550 USD|Low: $219 USD|High: $669 USD|Avg: $410 USD|+5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
August 28, 2026
Retailer 6$219 USD
Retailer 5$272 USD
Retailer 2$288 USD
Retailer 7$295 USD
Retailer 3$314 USD
Retailer 1$550 USD
Retailer 4$669 USD

20 data points across 7 retailers

2 retailers

B+
Retailer 1
-
$314 USD
£247 GBP
Price last confirmed 62 days ago
Most Expensive
B
MD Diamonds and Jewellers
LG614326156 · Oct 29
$498 USD
£392 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
$498 USD