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Round|Lab Grown|IGI

3.08ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG735588301

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735588301

Diamond specifications and retailer prices

From $531 AUD
As of November 5, 2026
Save $2,654 AUD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,186 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.08ct lab-grown round diamond

This 3.08ct 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 LG735588301 or 735588301. Listed at 18 retailers as of November 5, 2026, with prices from $531 to $3,186, a $2,654 spread on the same certified stone. Brilliant Earth lists it at $3,186. 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

3.08
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735588301
Dimensions9.32 × 9.35 × 5.76 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
9.32 mm9.35 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735588301
Side View
Table 56.0%Crown 33.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.7%

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: $3,186 AUD|Low: $520 AUD|High: $3,186 AUD|Avg: $1,400 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 6$531 AUD
Retailer 9$607 AUD
Retailer 16$617 AUD
Retailer 4$659 AUD
Retailer 5$659 AUD
Retailer 14$871 AUD
Retailer 8$886 AUD
Retailer 13$1,060 AUD
Retailer 2$1,176 AUD
Retailer 3$1,217 AUD
Retailer 17$1,371 AUD
Retailer 15$1,623 AUD
Retailer 12$1,933 AUD
Retailer 7$2,118 AUD
Retailer 11$2,528 AUD
Retailer 10$2,568 AUD
Brilliant Earth$3,186 AUD

44 data points across 17 retailers

18 retailers$531 AUD to $3,186 AUD

A
Cheapest Retailer
-
$531 AUD
A
Retailer 2
-
$607 AUD
View
Final sale: no returns
A
Retailer 3
-
$617 AUD
View
A
Retailer 4
-
$659 AUD
View
Retailer 5
-
$659 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$871 AUD
View
B+
Retailer 7
-
$886 AUD
View
A
Retailer 8
-
$1,060 AUD
View
A
Retailer 9
-
$1,176 AUD
View
A
Retailer 10
-
$1,217 AUD
View
B+
Retailer 11
-
$1,371 AUD
View
B+
Retailer 12
-
$1,623 AUD
View
B+
Retailer 13
-
$1,676 AUD
View
B+
Retailer 14
-
$1,933 AUD
View
B+
Retailer 15
-
$2,118 AUD
View
B
Retailer 16
-
$2,528 AUD
View
B
Retailer 17
-
$2,568 AUD
View
Most Expensive
B
Brilliant Earth
15921516A · Nov 5
$3,186 AUD
$2,230 USD
View
17 more retailers have this diamond
Prices start from $531 AUDSave up to $2,654 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
3.08ct Round
$531 AUD