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Round|Lab Grown|IGI

3.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG680586853

Shape and cutting style on the report: Round brilliant

Certificate IGI LG680586853

Diamond specifications and retailer prices

From $489 AUD
As of November 5, 2026
Save $2,047 AUD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,536 AUD at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round 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 LG680586853 or 680586853. Listed at 15 retailers as of November 4, 2026, with prices from $489 to $2,536, a $2,047 spread on the same certified stone. Rare Carat lists it at $2,536. 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

3.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680586853
Dimensions9.37 × 9.43 × 5.74 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.37 mm9.43 mm3.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680586853
Side View
Table 57.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.1%

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: Nov 5
Current: $2,536 AUD|Low: $489 AUD|High: $6,074 AUD|Avg: $1,564 AUD|-23.0%
Rare Carat
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
November 5, 2026
Retailer 12$489 AUD
Retailer 7$567 AUD
Retailer 6$606 AUD
Retailer 16$676 AUD
Retailer 2$804 AUD
Retailer 13$821 AUD
Retailer 14$973 AUD
Retailer 4$977 AUD
Retailer 15$1,061 AUD
Retailer 10$1,074 AUD
Retailer 3$1,363 AUD
Retailer 11$1,777 AUD
Retailer 5$1,947 AUD
Retailer 9$2,421 AUD
Rare Carat$2,536 AUD
Retailer 8$6,074 AUD

10 data points across 16 retailers

15 retailers$489 AUD to $2,536 AUD

A
Cheapest Retailer
-
$489 AUD
A
Retailer 2
-
$567 AUD
View
A
Retailer 3
-
$606 AUD
View
A
Retailer 4
-
$676 AUD
View
A
Retailer 5
-
$804 AUD
View
A
Retailer 6
-
$821 AUD
View
Retailer 7
-
$973 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$977 AUD
View
A
Retailer 9
-
$1,061 AUD
View
A
Retailer 10
-
$1,074 AUD
View
A
Retailer 11
-
$1,363 AUD
View
B+
Retailer 12
-
$1,777 AUD
View
B+
Retailer 13
-
$1,947 AUD
View
B
Retailer 14
-
$2,421 AUD
View
Most Expensive
B
Rare Carat
KI8535868KF680 · Nov 4
$2,536 AUD
$1,775 USD
View
14 more retailers have this diamond
Prices start from $489 AUDSave up to $2,047 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
3.09ct Round
$489 AUD