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Radiant|Lab Grown|IGI

3.06ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG645471122

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

Certificate IGI LG645471122

Diamond specifications and retailer prices

From $403 USD
As of October 27, 2026
Save $3,177 USD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,580 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.06ct lab-grown radiant diamond

This 3.06ct 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 LG645471122 or 645471122. Listed at 14 retailers as of October 27, 2026, with prices from $403 to $3,580, a $3,177 spread on the same certified stone. Do Amore Diamonds lists it at $3,580. 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

3.06
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645471122
Dimensions10.38 × 7.30 × 4.86 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm7.30 mm3.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645471122
Side View
Table 63.0%Crown 39.9°Girdle: MediumPavilion 34.8°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $3,580 USD|Low: $494 USD|High: $3,580 USD|Avg: $1,211 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11$500 USD
Retailer 12$661 USD
Retailer 6$665 USD
Retailer 5$680 USD
Retailer 9$791 USD
Retailer 4$799 USD
Retailer 2$910 USD
Retailer 10$1,212 USD
Retailer 8$1,403 USD
Retailer 3$1,774 USD
Retailer 7$2,031 USD
Do Amore Diamonds$3,580 USD

35 data points across 12 retailers

14 retailers$403 USD to $3,580 USD

A
Cheapest Retailer
-
$403 USD
A
Retailer 2
-
$500 USD
View
A
Retailer 3
-
$500 USD
View
B+
Retailer 4
-
$661 USD
View
A
Retailer 5
-
$665 USD
View
A
Retailer 6
-
$680 USD
£535 GBP
View
A
Retailer 7
-
$791 USD
View
A
Retailer 8
-
$910 USD
£716 GBP
View
B+
Retailer 9
-
$1,212 USD
View
B+
Retailer 10
-
$1,403 USD
View
B
Retailer 11
-
$1,774 USD
View
B
Retailer 12
-
$2,031 USD
£1,599 GBP
View
B
Retailer 13
-
$2,493 USD
£1,963 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F2F30CE89 · Oct 29
$3,580 USD
View
13 more retailers have this diamond
Prices start from $403 USDSave up to $3,177 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
3.06ct Radiant
$403 USD