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Round|Lab Grown|GCAL

3.00ct H SI2 Round Lab Grown Diamond

VG • H/SI2

Diamond specifications and retailer prices

From €392 EUR
$438 USD
As of October 30, 2026
Save €1,966 EUR (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €2,358 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GCAL. Listed at 4 retailers as of October 30, 2026, with prices from €392 to €2,358, a €1,966 spread on the same certified stone. Diamond Exchange Canada lists it at €2,358. 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
H
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions9.21 × 9.27 × 5.73 mm
L/W Ratio1.01
Top View
9.21 mm9.27 mm3.00 ctH / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCuletDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €2,358 EUR|Low: €312 EUR|High: €2,358 EUR|Avg: €918 EUR
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 20, 2026
Retailer 3€350 EUR
Retailer 2€392 EUR
Retailer 5€434 EUR
Retailer 6€434 EUR
Retailer 4€1,540 EUR
Diamond Exchange Canada€2,358 EUR

16 data points across 6 retailers

4 retailers€392 EUR to €2,358 EUR

B+
Cheapest Retailer
-
€392 EUR
$438 USD
B+
Retailer 2
-
€434 EUR
$485 USD
View
Retailer 3
-
€508 EUR
$568 USD
View
Price last confirmed 46 days ago
Most Expensive
B
Diamond Exchange Canada
1986530618 · Oct 30
€2,358 EUR
CA$3,660 CAD
View
3 more retailers have this diamond
Prices start from €392 EURSave up to €1,966 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
€392 EUR