Radiant|Lab Grown|IGI

3.09ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG705536707

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

Certificate IGI LG705536707

Diamond specifications and retailer prices

From $9,310 USD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: $9,310 USD at Zales · As of October 28, 2026
View at Zales

About this 3.09ct lab-grown radiant diamond

This 3.09ct 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 LG705536707 or 705536707. Listed at 2 retailers as of October 28, 2026, with a relatively tight 0% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.09
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705536707
Dimensions10.29 × 7.22 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.29 mm7.22 mm3.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG705536707
Side View
Table 63.0%Crown 42.9°Girdle: MediumPavilionCulet: NoneDepth 67.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $9,310 USD|Low: $5,770 USD|High: $9,880 USD|Avg: $8,519 USD|-5.8%
Retailer 1
Retailer 2
Zales
July 31, 2026
Retailer 2$5,770 USD
Retailer 1$9,310 USD
Zales$9,310 USD

7 data points across 3 retailers

2 retailers$9,310 USD to $9,310 USD

B
Cheapest Retailer
-
$9,310 USD
Most Expensive
B
Zales
527911972 · Oct 28
$9,310 USD
View
1 more retailer has this diamond
Prices start from $9,310 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
3.09ct Radiant
$9,310 USD