Radiant|Lab Grown|IGI

0.75ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG614309994

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

Certificate IGI LG614309994

Diamond specifications and retailer prices

From $457 USD
£360 GBP
As of October 29, 2026
Save $123 USD (21%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $580 USD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 0.75ct lab-grown radiant diamond

This 0.75ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614309994 or 614309994. Listed at 2 retailers as of October 29, 2026, with prices from $457 to $580, a $123 spread on the same certified stone. Diamond Quarter lists it at $580. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.75
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614309994
Dimensions6.54 × 4.45 × 3.00 mm
L/W Ratio1.47
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
6.54 mm4.45 mm0.75 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614309994
Side View
Table 63.0%Crown 39.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 67.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $457 USD|Low: $457 USD|High: $580 USD|Avg: $527 USD
Retailer 1
Retailer 2
December 30, 2025
Retailer 1$457 USD
Retailer 2$580 USD

4 data points across 2 retailers

2 retailers$457 USD to $580 USD

B+
Cheapest Retailer
-
$457 USD
£360 GBP
Most Expensive
B
Diamond Quarter
0.75SI1FLG94D081N · Oct 31
$580 USD
£456 GBP
View
1 more retailer has this diamond
Prices start from $457 USDSave up to $123 USD

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+
0.75ct Radiant
$457 USD