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Round|Lab Grown|GCAL

3.00ct G SI1 Round Lab Grown Diamond

ID • G/SI1

Diamond specifications and retailer prices

From $624 AUD
As of November 5, 2026
Save $2,629 AUD (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,253 AUD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL. Listed at 4 retailers as of November 5, 2026, with prices from $624 to $3,253, a $2,629 spread on the same certified stone. Diamond Exchange Canada lists it at $3,253. 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

3.00
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions9.22 × 9.26 × 5.75 mm
L/W Ratio1.00
Top View
9.22 mm9.26 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCuletDepth 62.2%

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: $3,253 AUD|Low: $521 AUD|High: $3,253 AUD|Avg: $1,347 AUD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 6$521 AUD
Retailer 2$624 AUD
Retailer 5$639 AUD
Retailer 3$691 AUD
Retailer 4$2,294 AUD
Diamond Exchange Canada$3,253 AUD

7 data points across 6 retailers

4 retailers$624 AUD to $3,253 AUD

A
Cheapest Retailer
-
$624 AUD
Retailer 2
-
$691 AUD
View
Price last confirmed 12 days ago
Retailer 3
-
$811 AUD
View
Price last confirmed 52 days ago
Most Expensive
B
Diamond Exchange Canada
1986530626 · Nov 5
$3,253 AUD
CA$3,163 CAD
View
3 more retailers have this diamond
Prices start from $624 AUDSave up to $2,629 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
3.00ct Round
$624 AUD