Radiant|Lab Grown|IGI

3.08ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG773658205

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

Certificate IGI LG773658205

Diamond specifications and retailer prices

From $411 USD
As of October 29, 2026
Save $3,129 USD (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,540 USD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 3.08ct lab-grown radiant diamond

This 3.08ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG773658205 or 773658205. Listed at 3 retailers as of October 27, 2026, with prices from $411 to $3,540, a $3,129 spread on the same certified stone. Brilliant Earth lists it at $3,540. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773658205
Dimensions10.42 × 7.22 × 4.90 mm
L/W Ratio1.44
Culet sizePointed
Top View
10.42 mm7.22 mm3.08 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773658205
Side View
Table 65.0%Crown 42.4°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $3,540 USD|Low: $222 USD|High: $3,540 USD|Avg: $1,098 USD|+1.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 8$222 USD
Retailer 5$395 USD
Retailer 3$411 USD
Retailer 7$639 USD
Retailer 4$703 USD
Retailer 2$852 USD
Retailer 6$1,004 USD
Retailer 9$1,075 USD
Retailer 10$2,418 USD
Brilliant Earth$3,540 USD

26 data points across 10 retailers

3 retailers$411 USD to $3,540 USD

A
Cheapest Retailer
-
$411 USD
Final sale: no returns
A
Retailer 2
-
$852 USD
£671 GBP
View
Most Expensive
B
Brilliant Earth
19612241A · Oct 27
$3,540 USD
View
2 more retailers have this diamond
Prices start from $411 USDSave up to $3,129 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.

A
3.08ct Radiant
$411 USD