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Round|Natural|GIA

0.45ct K VS1 Round Natural Diamond

EX • K/VS1 • GIA 2556151212

Certificate GIA 2556151212

Diamond specifications and retailer prices

From $530 AUD
As of November 6, 2026
Save $1,920 AUD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,450 AUD 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2556151212. Listed at 14 retailers as of November 4, 2026, with prices from $530 to $2,450, a $1,920 spread on the same certified stone. NZ Jewellers lists it at $2,450. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2556151212
Dimensions4.91 × 4.87 × 3.07 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Pinpoint
Top View
4.91 mm4.87 mm0.45 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556151212
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NDepth 62.6%

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: $2,450 AUD|Low: $593 AUD|High: $2,450 AUD|Avg: $1,010 AUD
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
November 6, 2026
Retailer 12$593 AUD
Retailer 2$663 AUD
Retailer 3$689 AUD
Retailer 14$689 AUD
Retailer 4$703 AUD
Retailer 7$724 AUD
Retailer 5$737 AUD
Retailer 11$789 AUD
Retailer 6$901 AUD
Retailer 8$961 AUD
Retailer 9$996 AUD
Retailer 13$1,287 AUD
Retailer 10$1,476 AUD
NZ Jewellers$2,450 AUD

42 data points across 14 retailers

14 retailers$530 AUD to $2,450 AUD

A
Cheapest Retailer
-
$530 AUD
A
Retailer 2
-
$593 AUD
View
A
Retailer 3
-
$663 AUD
View
A
Retailer 4
-
$689 AUD
View
Retailer 5
-
$689 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$724 AUD
View
B+
Retailer 7
-
$737 AUD
View
B+
Retailer 8
-
$789 AUD
View
B+
Retailer 9
-
$867 AUD
View
B+
Retailer 10
-
$901 AUD
View
B+
Retailer 11
-
$961 AUD
View
B
Retailer 12
-
$996 AUD
View
B
Retailer 13
-
$1,476 AUD
View
Most Expensive
B
NZ Jewellers
abd41bc2-ddda-4d57-b34c-2353a4d8e8b7 · Nov 4
$2,450 AUD
$1,715 USD
View
13 more retailers have this diamond
Prices start from $530 AUDSave up to $1,920 AUD

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
$530 AUD