Radiant|Lab Grown|IGI

3.08ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG618433821

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

Certificate IGI LG618433821

Diamond specifications and retailer prices

From $2,198 USD
As of October 26, 2026
Save $5,012 USD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,210 USD at Brilliant Earth · As of October 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618433821 or 618433821. Listed at 3 retailers as of October 26, 2026, with prices from $2,198 to $7,210, a $5,012 spread on the same certified stone. Brilliant Earth lists it at $7,210. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.08
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618433821
Dimensions10.34 × 7.19 × 4.87 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.34 mm7.19 mm3.08 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618433821
Side View
Table 62.0%Crown 37.1°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 26
Current: $7,210 USD|Low: $2,029 USD|High: $10,159 USD|Avg: $7,434 USD|-11.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 19, 2026
Retailer 3$2,198 USD
Retailer 2$5,260 USD
Brilliant Earth$7,210 USD
Retailer 4$9,536 USD
Retailer 6$9,969 USD
Retailer 5$10,159 USD

13 data points across 6 retailers

3 retailers$2,198 USD to $7,210 USD

A
Cheapest Retailer
-
$2,198 USD
B+
Retailer 2
-
$5,260 USD
View
Most Expensive
B
Brilliant Earth
21409667Y · Oct 28
$7,210 USD
View
2 more retailers have this diamond
Prices start from $2,198 USDSave up to $5,012 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
$2,198 USD