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Round|Lab Grown|IGI

3.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG536293055

Shape and cutting style on the report: Round brilliant

Certificate IGI LG536293055

Diamond specifications and retailer prices

From $789 AUD
As of November 4, 2026
Save $4,854 AUD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,643 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG536293055 or 536293055. Listed at 25 retailers as of November 4, 2026, with prices from $789 to $5,643, a $4,854 spread on the same certified stone. Do Amore Diamonds lists it at $5,643. 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 angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536293055
Dimensions9.35 × 9.29 × 5.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.35 mm9.29 mm3.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536293055
Side View
Table 55.5%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.9%

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: $3,623 AUD|Low: $789 AUD|High: $3,677 AUD|Avg: $1,867 AUD|-1.3%
Retailer 1
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
November 5, 2026
Retailer 5$789 AUD
Retailer 4$1,093 AUD
Retailer 10$1,093 AUD
Retailer 3$1,219 AUD
Retailer 13$1,229 AUD
Retailer 9$1,337 AUD
Retailer 7$1,429 AUD
Retailer 11$1,984 AUD
Retailer 6$2,038 AUD
Retailer 12$2,120 AUD
Retailer 8$2,443 AUD
Retailer 14$3,171 AUD
Retailer 2$3,190 AUD
Retailer 1$3,623 AUD

44 data points across 14 retailers

25 retailers$789 AUD to $5,643 AUD

Retailer 1
-
$636 AUD
Price last confirmed 39 days ago
Retailer 2
-
$711 AUD
View
Price last confirmed 44 days ago
Retailer 3
-
$711 AUD
View
Price last confirmed 31 days ago
Retailer 4
-
$779 AUD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$789 AUD
View
Final sale: no returns
Retailer 6
-
$789 AUD
View
Price last confirmed 27 days ago
Retailer 7
-
$789 AUD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$789 AUD
View
A
Retailer 9
-
$1,093 AUD
View
A
Retailer 10
-
$1,093 AUD
View
A
Retailer 11
-
$1,097 AUD
View
A
Retailer 12
-
$1,219 AUD
View
B+
Retailer 13
-
$1,229 AUD
View
A
Retailer 14
-
$1,337 AUD
View
A
Retailer 15
-
$1,429 AUD
View
B+
Retailer 16
-
$1,984 AUD
View
B+
Retailer 17
-
$2,038 AUD
View
B+
Retailer 18
-
$2,120 AUD
View
Retailer 19
-
$2,288 AUD
View
Price last confirmed 27 days ago
Retailer 20
-
$2,288 AUD
View
Price last confirmed 37 days ago
B+
Retailer 21
-
$2,443 AUD
View
B
Retailer 22
-
$3,171 AUD
View
B
Retailer 23
-
$3,190 AUD
View
B
Retailer 24
-
$3,623 AUD
View
Most Expensive
B
Do Amore Diamonds
27-7DFE8C2D1 · Nov 4
$5,643 AUD
$3,950 USD
View
24 more retailers have this diamond
Prices start from $789 AUDSave up to $4,854 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
$789 AUD