Round|Lab Grown|GCAL

3.00ct G SI1 Round Lab Grown Diamond

VG • G/SI1 • GCAL 330310223

Shape and cutting style on the report: Round brilliant

Certificate GCAL 330310223

Diamond specifications and retailer prices

From €349 EUR
$391 USD
As of November 1, 2026
Save €1,482 EUR (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,830 EUR at Riddles Jewelry · As of November 2, 2026
View at Riddles Jewelry

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 330310223. Listed at 17 retailers as of November 1, 2026, with prices from €349 to €1,830, a €1,482 spread on the same certified stone. Riddles Jewelry lists it at €1,830. 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
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 330310223
Dimensions9.14 × 9.20 × 5.72 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.14 mm9.20 mm3.00 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 330310223
Side View
Table 60.0%Crown 36.5°Girdle: STK-STKPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

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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 1
Current: €1,481 EUR|Low: €312 EUR|High: €1,830 EUR|Avg: €948 EUR|+8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Riddles Jewelry
November 2, 2026
Retailer 8€349 EUR
Retailer 11€390 EUR
Retailer 2€432 EUR
Retailer 12€432 EUR
Retailer 3€640 EUR
Retailer 9€670 EUR
Retailer 5€686 EUR
Retailer 7€1,319 EUR
Retailer 1€1,481 EUR
Retailer 10€1,532 EUR
Retailer 4€1,667 EUR
Retailer 6€1,751 EUR
Riddles Jewelry€1,830 EUR

42 data points across 13 retailers

17 retailers€349 EUR to €1,830 EUR

Retailer 1
-
€325 EUR
$365 USD
Price last confirmed 41 days ago
A
Retailer 2
-
€349 EUR
$391 USD
View
Retailer 3
-
€377 EUR
$423 USD
View
Price last confirmed 40 days ago
A
Retailer 4
-
€390 EUR
$437 USD
View
Final sale: no returns
Retailer 5
-
€399 EUR
$447 USD
View
Price last confirmed 42 days ago
Retailer 6
-
€432 EUR
$484 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€432 EUR
$484 USD
View
B+
Retailer 8
-
€640 EUR
$718 USD
View
B+
Retailer 9
-
€670 EUR
$752 USD
View
B+
Retailer 10
-
€686 EUR
£606 GBP
View
B
Retailer 11
-
€1,319 EUR
CA$2,055 CAD
View
Retailer 12
-
€1,432 EUR
$1,606 USD
View
Price last confirmed 42 days ago
B
Retailer 13
-
€1,481 EUR
£1,308 GBP
View
B
Retailer 14
-
€1,532 EUR
$1,718 USD
View
B
Retailer 15
-
€1,667 EUR
$1,869 USD
View
B
Retailer 16
-
€1,751 EUR
£1,546 GBP
View
Most Expensive
B
Riddles Jewelry
1966654835 · Nov 2
€1,830 EUR
$2,053 USD
View
16 more retailers have this diamond
Prices start from €349 EURSave up to €1,482 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
€349 EUR