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Round|Lab Grown|GIA

3.58ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 6485079432

Certificate GIA 6485079432

Diamond specifications and retailer prices

From $1,694 AUD
$1,190 USD
As of October 29, 2026
Save $4,840 AUD (74%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,533 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.58ct lab-grown round diamond

This 3.58ct 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 GIA 6485079432. Listed at 5 retailers as of October 29, 2026, with prices from $1,694 to $6,533, a $4,840 spread on the same certified stone. Brilliant Earth lists it at $6,533. 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

3.58
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6485079432
Dimensions9.85 × 9.83 × 6.00 mm
L/W Ratio1.00
Star length45%
Top View
9.85 mm9.83 mm3.58 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6485079432
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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: Oct 29
Current: $6,533 AUD|Low: $1,694 AUD|High: $6,903 AUD|Avg: $4,058 AUD|-5.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 4$1,694 AUD
Retailer 5$2,475 AUD
Retailer 2$2,739 AUD
Retailer 3$6,262 AUD
Brilliant Earth$6,533 AUD

20 data points across 5 retailers

5 retailers$1,694 AUD to $6,533 AUD

A
Cheapest Retailer
-
$1,694 AUD
$1,190 USD
Final sale: no returns
B+
Retailer 2
-
$2,739 AUD
£1,515 GBP
View
B
Retailer 3
-
$3,634 AUD
$2,553 USD
View
B
Retailer 4
-
$6,262 AUD
£3,464 GBP
View
Most Expensive
B
Brilliant Earth
8686684A · Oct 29
$6,533 AUD
$4,590 USD
View
4 more retailers have this diamond
Prices start from $1,694 AUDSave up to $4,840 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
3.58ct Round
$1,694 AUD