Radiant|Lab Grown|IGI

3.07ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG662490903

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

Certificate IGI LG662490903

Diamond specifications and retailer prices

From $1,361 USD
£1,072 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,361 USD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 3.07ct lab-grown radiant diamond

This 3.07ct 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 LG662490903 or 662490903. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.07
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662490903
Dimensions10.33 × 7.17 × 4.68 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.33 mm7.17 mm3.07 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662490903
Side View
Table 63.0%Crown 46.4°Girdle: MediumPavilion 32.8°Culet: NoneDepth 65.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $698 USD|Low: $422 USD|High: $4,230 USD|Avg: $1,273 USD|-16.3%
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May 12, 2026
Retailer 7$422 USD
Retailer 3$589 USD
Retailer 13$604 USD
Retailer 4$615 USD
Retailer 8$630 USD
Retailer 1$698 USD
Retailer 10$855 USD
Retailer 12$929 USD
Retailer 11$1,233 USD
Retailer 2$1,272 USD
Retailer 5$2,164 USD
Retailer 6$2,556 USD
Retailer 9$4,230 USD

60 data points across 13 retailers

1 retailer

B
Diamond Quarter
3.07SI1ELG03C4BDN · Oct 29
$1,361 USD
£1,072 GBP
View

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
3.07ct Radiant
$1,361 USD