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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 €390 EUR
$437 USD
As of October 30, 2026
Save €1,641 EUR (81%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,030 EUR at Diamond Exchange Canada · As of October 30, 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 October 30, 2026, with prices from €390 to €2,030, a €1,641 spread on the same certified stone. Diamond Exchange Canada lists it at €2,030. 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
Color
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: Oct 30
Current: €2,030 EUR|Low: €325 EUR|High: €2,030 EUR|Avg: €849 EUR
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 6€325 EUR
Retailer 2€390 EUR
Retailer 5€399 EUR
Retailer 3€432 EUR
Retailer 4€1,432 EUR
Diamond Exchange Canada€2,030 EUR

9 data points across 6 retailers

4 retailers€390 EUR to €2,030 EUR

A
Cheapest Retailer
-
€390 EUR
$437 USD
Retailer 2
-
€432 EUR
$484 USD
View
Price last confirmed 8 days ago
Retailer 3
-
€506 EUR
$568 USD
View
Price last confirmed 48 days ago
Most Expensive
B
Diamond Exchange Canada
1986530626 · Oct 30
€2,030 EUR
CA$3,163 CAD
View
3 more retailers have this diamond
Prices start from €390 EURSave up to €1,641 EUR

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
€390 EUR