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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 $497 SGD
As of November 6, 2026
Save $2,101 SGD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,598 SGD 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 $497 to $2,598, a $2,101 spread on the same certified stone. Riddles Jewelry lists it at $2,598. 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
Colour
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: $1,801 SGD|Low: $440 SGD|High: $2,598 SGD|Avg: $1,504 SGD|+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$497 SGD
Retailer 4$556 SGD
Retailer 7$616 SGD
Retailer 10$910 SGD
Retailer 6$1,052 SGD
Retailer 1$1,801 SGD
Retailer 5$1,872 SGD
Retailer 9$2,186 SGD
Retailer 2$2,370 SGD
Retailer 3$2,491 SGD
Riddles Jewelry$2,598 SGD

33 data points across 11 retailers

11 retailers$497 SGD to $2,598 SGD

A
Cheapest Retailer
-
$497 SGD
A
Retailer 2
-
$556 SGD
View
A
Retailer 3
-
$616 SGD
View
B+
Retailer 4
-
$910 SGD
View
A
Retailer 5
-
$1,052 SGD
View
B+
Retailer 6
-
$1,801 SGD
View
B+
Retailer 7
-
$1,872 SGD
View
B+
Retailer 8
-
$2,186 SGD
View
B+
Retailer 9
-
$2,370 SGD
View
B+
Retailer 10
-
$2,491 SGD
View
Most Expensive
B
Riddles Jewelry
1966654647 · Nov 6
$2,598 SGD
$2,027 USD
View
10 more retailers have this diamond
Prices start from $497 SGDSave up to $2,101 SGD

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
$497 SGD