Round|Natural|GIA

0.45ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 6381753831

Certificate GIA 6381753831

Diamond specifications and retailer prices

From €281 EUR
As of November 4, 2026
Save €907 EUR (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,189 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6381753831. Listed at 15 retailers as of November 4, 2026, with prices from €281 to €1,189, a €907 spread on the same certified stone. NZ Jewellers lists it at €1,189. 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

0.45
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6381753831
Dimensions4.80 × 4.77 × 3.09 mm
L/W Ratio1.01
Top View
4.80 mm4.77 mm0.45 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6381753831
Side View
Table 55.0%Crown 38.5°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 64.6%

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 4
Current: €1,189 EUR|Low: €281 EUR|High: €1,189 EUR|Avg: €448 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 5€281 EUR
Retailer 11€282 EUR
Retailer 16€303 EUR
Retailer 14€313 EUR
Retailer 8€340 EUR
Retailer 15€360 EUR
Retailer 7€363 EUR
Retailer 6€378 EUR
Retailer 4€390 EUR
Retailer 3€426 EUR
Retailer 9€460 EUR
Retailer 13€479 EUR
Retailer 10€483 EUR
Retailer 2€570 EUR
Retailer 12€715 EUR
NZ Jewellers€1,189 EUR

33 data points across 16 retailers

15 retailers€281 EUR to €1,189 EUR

A
Cheapest Retailer
-
€281 EUR
A
Retailer 2
-
€282 EUR
View
Retailer 3
-
€303 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€313 EUR
View
B+
Retailer 5
-
€360 EUR
View
B+
Retailer 6
-
€363 EUR
View
B+
Retailer 7
-
€378 EUR
View
B+
Retailer 8
-
€390 EUR
View
B+
Retailer 9
-
€426 EUR
View
B+
Retailer 10
-
€460 EUR
View
B
Retailer 11
-
€479 EUR
View
B+
Retailer 12
-
€483 EUR
View
B
Retailer 13
-
€570 EUR
View
B
Retailer 14
-
€715 EUR
View
Most Expensive
C
NZ Jewellers
4b62d1b1-7972-4fc0-8517-acb5d204728c · Nov 4
€1,189 EUR
$1,327 USD
View
14 more retailers have this diamond
Prices start from €281 EURSave up to €907 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
€281 EUR