Radiant|Lab Grown|IGI

3.08ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG660465933

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

Certificate IGI LG660465933

Diamond specifications and retailer prices

From $1,295 USD
£1,020 GBP
As of October 31, 2026
2 retailers carry this diamond
Most expensive: $2,838 USD at Rare Carat
View at Rare Carat

About this 3.08ct lab-grown radiant diamond

This 3.08ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660465933 or 660465933. Listed at 2 retailers as of October 31, 2026. 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

3.08
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660465933
Dimensions10.44 × 7.20 × 4.80 mm
L/W Ratio1.45
Culet sizePointed
Top View
10.44 mm7.20 mm3.08 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660465933
Side View
Table 64.0%Crown 42.2°Girdle: MediumPavilion 36.1°Culet: NoneDepth 66.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $2,838 USD|Low: $447 USD|High: $2,838 USD|Avg: $1,255 USD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
April 7, 2026
Retailer 5$533 USD
Retailer 8$598 USD
Retailer 3$646 USD
Retailer 2$794 USD
Retailer 4$1,040 USD
Retailer 7$1,055 USD
Retailer 6$1,256 USD
Rare Carat$2,838 USD

52 data points across 8 retailers

2 retailers

B+
Cheapest Retailer
-
$1,295 USD
£1,020 GBP
Most Expensive
Rare Carat
660465933
$2,838 USD
View
1 more retailer has this diamond
Prices start from $1,295 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+
3.08ct Radiant
$1,295 USD