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Round|Lab Grown|GCAL

3.00ct G SI1 Round Lab Grown Diamond

VG • G/SI1

Diamond specifications and retailer prices

From €389 EUR
As of November 5, 2026
Save €1,639 EUR (81%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €2,029 EUR 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 very-good cut grade and certified by GCAL. Listed at 3 retailers as of November 5, 2026, with prices from €389 to €2,029, a €1,639 spread on the same certified stone. Diamond Exchange Canada lists it at €2,029. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.00
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions9.14 × 9.20 × 5.72 mm
L/W Ratio1.01
Top View
9.14 mm9.20 mm3.00 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCuletDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €2,029 EUR|Low: €325 EUR|High: €2,029 EUR|Avg: €846 EUR
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 5€325 EUR
Retailer 2€389 EUR
Retailer 4€398 EUR
Retailer 6€513 EUR
Retailer 3€1,431 EUR
Diamond Exchange Canada€2,029 EUR

5 data points across 6 retailers

3 retailers€389 EUR to €2,029 EUR

B+
Cheapest Retailer
-
€389 EUR
Retailer 2
-
€506 EUR
View
Price last confirmed 52 days ago
Most Expensive
C
Diamond Exchange Canada
1986530615 · Nov 5
€2,029 EUR
CA$3,163 CAD
View
2 more retailers have this diamond
Prices start from €389 EURSave up to €1,639 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.

B+
3.00ct Round
€389 EUR