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Radiant|Lab Grown|GCAL

3.03ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • GCAL 323000128

Shape and cutting style on the report: Radiant brilliant

Certificate GCAL 323000128

Diamond specifications and retailer prices

From $546 CAD
As of November 6, 2026
Save $2,305 CAD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,851 CAD at Riddles Jewelry · As of November 6, 2026
View at Riddles Jewelry

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 323000128. Listed at 11 retailers as of November 6, 2026, with prices from $546 to $2,851, a $2,305 spread on the same certified stone. Riddles Jewelry lists it at $2,851. 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

3.03
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.5°
Pavilion angle56.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 323000128
Dimensions9.86 × 6.99 × 4.88 mm
L/W Ratio1.41
Culet sizeNone
Top View
9.86 mm6.99 mm3.03 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 323000128
Side View
Table 61.0%Crown 40.5°Girdle: THK-VTKPavilion 56.8°Culet: NoneDepth 69.7%

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 6
Current: $1,976 CAD|Low: $482 CAD|High: $2,851 CAD|Avg: $1,651 CAD|+7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Riddles Jewelry
November 6, 2026
Retailer 8$546 CAD
Retailer 4$610 CAD
Retailer 7$677 CAD
Retailer 10$999 CAD
Retailer 6$1,155 CAD
Retailer 1$1,976 CAD
Retailer 5$2,055 CAD
Retailer 9$2,400 CAD
Retailer 2$2,601 CAD
Retailer 3$2,734 CAD
Riddles Jewelry$2,851 CAD

33 data points across 11 retailers

11 retailers$546 CAD to $2,851 CAD

A
Cheapest Retailer
-
$546 CAD
A
Retailer 2
-
$610 CAD
View
A
Retailer 3
-
$677 CAD
View
B+
Retailer 4
-
$999 CAD
View
A
Retailer 5
-
$1,155 CAD
View
B+
Retailer 6
-
$1,976 CAD
View
B+
Retailer 7
-
$2,055 CAD
View
B+
Retailer 8
-
$2,400 CAD
View
B+
Retailer 9
-
$2,601 CAD
View
B+
Retailer 10
-
$2,734 CAD
View
Most Expensive
B
Riddles Jewelry
1966654647 · Nov 6
$2,851 CAD
$2,027 USD
View
10 more retailers have this diamond
Prices start from $546 CADSave up to $2,305 CAD

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
3.03ct Radiant
$546 CAD