Round|Natural|GIA

0.45ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1503101550

Certificate GIA 1503101550

Diamond specifications and retailer prices

From €211 EUR
As of November 6, 2026
Save €940 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,151 EUR at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1503101550. Listed at 15 retailers as of November 4, 2026, with prices from €211 to €1,151, a €940 spread on the same certified stone. NZ Jewellers lists it at €1,151. 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

0.45
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1503101550
Dimensions4.91 × 4.94 × 3.04 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Crystal
Top View
4.91 mm4.94 mm0.45 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1503101550
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €211 EUR|Low: €211 EUR|High: €701 EUR|Avg: €430 EUR|-3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1€211 EUR
Retailer 6€356 EUR
Retailer 2€382 EUR
Retailer 3€403 EUR
Retailer 4€493 EUR
Retailer 5€693 EUR

41 data points across 6 retailers

15 retailers€211 EUR to €1,151 EUR

A
Cheapest Retailer
-
€211 EUR
A
Retailer 2
-
€300 EUR
View
Retailer 3
-
€323 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€330 EUR
View
B+
Retailer 5
-
€334 EUR
View
B+
Retailer 6
-
€335 EUR
View
B+
Retailer 7
-
€356 EUR
View
B+
Retailer 8
-
€382 EUR
View
B+
Retailer 9
-
€403 EUR
View
B+
Retailer 10
-
€404 EUR
View
B+
Retailer 11
-
€441 EUR
View
B+
Retailer 12
-
€474 EUR
View
B+
Retailer 13
-
€493 EUR
View
B
Retailer 14
-
€693 EUR
View
Most Expensive
C
NZ Jewellers
40551fbb-139f-461a-9534-dc504a8d4965 · Nov 4
€1,151 EUR
$1,285 USD
View
14 more retailers have this diamond
Prices start from €211 EURSave up to €940 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
0.45ct Round
€211 EUR