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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 HK$3,866 HKD
£388 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: HK$3,866 HKD 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
Colour
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: HK$4,237 HKD|Low: HK$1,703 HKD|High: HK$5,242 HKD|Avg: HK$3,208 HKD|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
August 28, 2026
Retailer 6HK$1,703 HKD
Retailer 5HK$2,134 HKD
Retailer 2HK$2,250 HKD
Retailer 7HK$2,307 HKD
Retailer 3HK$2,451 HKD
Retailer 1HK$4,237 HKD
Retailer 4HK$5,242 HKD

19 data points across 7 retailers

2 retailers

Retailer 1
-
HK$2,451 HKD
£246 GBP
Price last confirmed 67 days ago
Most Expensive
B
MD Diamonds and Jewellers
LG623409265 · Nov 2
HK$3,866 HKD
£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
HK$3,866 HKD