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Round|Lab Grown|IGI

2.06ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG778656513

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778656513

Diamond specifications and retailer prices

From $669 AUD
As of November 4, 2026
Save $2,760 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,428 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 2.06ct lab-grown round diamond

This 2.06ct lab-grown round 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 LG778656513 or 778656513. Listed at 15 retailers as of November 4, 2026, with prices from $669 to $3,428, a $2,760 spread on the same certified stone. Brilliant Earth lists it at $3,428. 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

2.06
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778656513
Dimensions8.09 × 8.13 × 5.06 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm8.13 mm2.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778656513
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $3,428 AUD|Low: $669 AUD|High: $3,428 AUD|Avg: $1,612 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 9$669 AUD
Retailer 10$740 AUD
Retailer 4$804 AUD
Retailer 11$941 AUD
Retailer 5$950 AUD
Retailer 8$1,167 AUD
Retailer 2$1,203 AUD
Retailer 7$2,077 AUD
Retailer 12$2,427 AUD
Retailer 3$2,698 AUD
Retailer 6$2,718 AUD
Brilliant Earth$3,428 AUD

40 data points across 12 retailers

15 retailers$669 AUD to $3,428 AUD

Retailer 1
-
$573 AUD
Price last confirmed 29 days ago
A
Retailer 2
-
$669 AUD
View
Final sale: no returns
Retailer 3
-
$669 AUD
View
Price last confirmed 31 days ago
Retailer 4
-
$740 AUD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$804 AUD
View
A
Retailer 6
-
$941 AUD
View
A
Retailer 7
-
$950 AUD
View
B+
Retailer 8
-
$1,167 AUD
View
B+
Retailer 9
-
$1,203 AUD
View
B
Retailer 10
-
$2,077 AUD
View
Retailer 11
-
$2,380 AUD
View
Price last confirmed 30 days ago
B
Retailer 12
-
$2,427 AUD
View
B
Retailer 13
-
$2,698 AUD
View
B
Retailer 14
-
$2,718 AUD
View
Most Expensive
B
Brilliant Earth
20165900A · Nov 5
$3,428 AUD
$2,400 USD
View
14 more retailers have this diamond
Prices start from $669 AUDSave up to $2,760 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
2.06ct Round
$669 AUD