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Round|Natural|GIA

0.53ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1543437554

Certificate GIA 1543437554

Diamond specifications and retailer prices

From $628 NZD
As of November 6, 2026
Save $2,650 NZD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,278 NZD at NZ Jewellers · As of November 6, 2026
View at NZ Jewellers

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543437554. Listed at 12 retailers as of November 6, 2026, with prices from $628 to $3,278, a $2,650 spread on the same certified stone. NZ Jewellers lists it at $3,278. 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

0.53
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1543437554
Dimensions5.15 × 5.18 × 3.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.15 mm5.18 mm0.53 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543437554
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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: $3,278 NZD|Low: $628 NZD|High: $3,278 NZD|Avg: $1,261 NZD
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
November 7, 2026
Retailer 6$628 NZD
Retailer 4$761 NZD
Retailer 10$767 NZD
Retailer 5$868 NZD
Retailer 2$1,050 NZD
Retailer 13$1,091 NZD
Retailer 7$1,100 NZD
Retailer 3$1,118 NZD
Retailer 8$1,164 NZD
Retailer 12$1,227 NZD
Retailer 9$1,326 NZD
Retailer 11$1,972 NZD
NZ Jewellers$3,278 NZD

19 data points across 13 retailers

12 retailers$628 NZD to $3,278 NZD

A
Cheapest Retailer
-
$628 NZD
Retailer 2
-
$761 NZD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$767 NZD
View
B+
Retailer 4
-
$1,050 NZD
View
B+
Retailer 5
-
$1,091 NZD
View
B+
Retailer 6
-
$1,100 NZD
View
B+
Retailer 7
-
$1,118 NZD
View
B+
Retailer 8
-
$1,164 NZD
View
B+
Retailer 9
-
$1,227 NZD
View
B+
Retailer 10
-
$1,326 NZD
View
B
Retailer 11
-
$1,972 NZD
View
Most Expensive
B
NZ Jewellers
8b9560bd-f81f-4de2-b317-33e2caaca756 · Nov 6
$3,278 NZD
$1,817 USD
View
11 more retailers have this diamond
Prices start from $628 NZDSave up to $2,650 NZD

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
0.53ct Round
$628 NZD