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Radiant|Lab Grown|IGI

2.01ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG591378447

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

Certificate IGI LG591378447

Diamond specifications and retailer prices

From $307 AUD
$216 USD
As of October 30, 2026
Save $1,814 AUD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,121 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.01ct lab-grown radiant diamond

This 2.01ct lab-grown radiant sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591378447 or 591378447. Listed at 15 retailers as of October 29, 2026, with prices from $307 to $2,121, a $1,814 spread on the same certified stone. Brilliant Earth lists it at $2,121. 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

2.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591378447
Dimensions9.06 × 6.14 × 4.21 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.06 mm6.14 mm2.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591378447
Side View
Table 64.0%Crown 44.1°Girdle: MediumPavilion 35.2°Culet: NoneDepth 68.6%

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 30
Current: $2,121 AUD|Low: $249 AUD|High: $2,890 AUD|Avg: $832 AUD|-26.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 15$307 AUD
Retailer 8$345 AUD
Retailer 10$357 AUD
Retailer 4$382 AUD
Retailer 6$382 AUD
Retailer 14$481 AUD
Retailer 5$653 AUD
Retailer 7$669 AUD
Retailer 2$708 AUD
Retailer 12$709 AUD
Retailer 13$863 AUD
Retailer 3$880 AUD
Retailer 16$1,229 AUD
Retailer 11$1,233 AUD
Retailer 9$1,539 AUD
Brilliant Earth$2,121 AUD

31 data points across 16 retailers

15 retailers$307 AUD to $2,121 AUD

A
Cheapest Retailer
-
$307 AUD
$216 USD
A
Retailer 2
-
$357 AUD
$251 USD
View
A
Retailer 3
-
$382 AUD
$268 USD
View
A
Retailer 4
-
$382 AUD
$268 USD
View
Retailer 5
-
$481 AUD
£266 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$653 AUD
$459 USD
View
A
Retailer 7
-
$708 AUD
£392 GBP
View
A
Retailer 8
-
$709 AUD
€474 EUR
View
A
Retailer 9
-
$863 AUD
$606 USD
View
A
Retailer 10
-
$880 AUD
$618 USD
View
B+
Retailer 11
-
$1,229 AUD
$863 USD
View
B+
Retailer 12
-
$1,233 AUD
$866 USD
View
B+
Retailer 13
-
$1,294 AUD
£716 GBP
View
B
Retailer 14
-
$1,539 AUD
£851 GBP
View
Most Expensive
B
Brilliant Earth
7753016A · Oct 29
$2,121 AUD
$1,490 USD
View
14 more retailers have this diamond
Prices start from $307 AUDSave up to $1,814 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
2.01ct Radiant
$307 AUD