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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 $3,129 AUD
$2,198 USD
As of October 26, 2026
Save $7,134 AUD (70%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $10,263 AUD at Brilliant Earth · As of October 29, 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 $3,129 to $10,263, a $7,134 spread on the same certified stone. Brilliant Earth lists it at $10,263. 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
Colour
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: $10,263 AUD|Low: $2,888 AUD|High: $14,460 AUD|Avg: $10,581 AUD|-11.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 19, 2026
Retailer 3$3,129 AUD
Retailer 2$7,487 AUD
Brilliant Earth$10,263 AUD
Retailer 4$13,574 AUD
Retailer 6$14,190 AUD
Retailer 5$14,460 AUD

13 data points across 6 retailers

3 retailers$3,129 AUD to $10,263 AUD

A
Cheapest Retailer
-
$3,129 AUD
$2,198 USD
B+
Retailer 2
-
$7,487 AUD
$5,260 USD
View
Most Expensive
B
Brilliant Earth
21409667Y · Oct 29
$10,263 AUD
$7,210 USD
View
2 more retailers have this diamond
Prices start from $3,129 AUDSave up to $7,134 AUD

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
$3,129 AUD