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Radiant|Lab Grown|IGI

0.68ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG623409265

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

Certificate IGI LG623409265

Diamond specifications and retailer prices

From $493 USD
£388 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $493 USD at MD Diamonds and Jewellers
View at MD Diamonds and Jewellers

About this 0.68ct lab-grown radiant diamond

This 0.68ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG623409265 or 623409265. Listed at 2 retailers as of November 2, 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

0.68
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623409265
Dimensions6.19 × 4.22 × 3.07 mm
L/W Ratio1.47
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
6.19 mm4.22 mm0.68 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623409265
Side View
Table 60.0%Crown 44.1°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 72.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $540 USD|Low: $217 USD|High: $668 USD|Avg: $409 USD|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
August 28, 2026
Retailer 6$217 USD
Retailer 5$272 USD
Retailer 2$287 USD
Retailer 7$294 USD
Retailer 3$312 USD
Retailer 1$540 USD
Retailer 4$668 USD

19 data points across 7 retailers

2 retailers

Retailer 1
-
$312 USD
£246 GBP
Price last confirmed 66 days ago
Most Expensive
B
MD Diamonds and Jewellers
LG623409265 · Nov 2
$493 USD
£388 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
0.68ct Radiant
$493 USD