Round|Natural|GIA

0.53ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1543437554

Certificate GIA 1543437554

Diamond specifications and retailer prices

From $348 USD
As of November 6, 2026
Save $1,469 USD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,817 USD at NZ Jewellers · As of November 4, 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 4, 2026, with prices from $348 to $1,817, a $1,469 spread on the same certified stone. NZ Jewellers lists it at $1,817. 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
Color
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: $1,817 USD|Low: $348 USD|High: $1,817 USD|Avg: $699 USD
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 6, 2026
Retailer 2$348 USD
Retailer 4$422 USD
Retailer 10$425 USD
Retailer 5$481 USD
Retailer 8$583 USD
Retailer 13$605 USD
Retailer 6$610 USD
Retailer 3$620 USD
Retailer 7$645 USD
Retailer 12$680 USD
Retailer 9$735 USD
Retailer 11$1,093 USD
NZ Jewellers$1,817 USD

18 data points across 13 retailers

12 retailers$348 USD to $1,817 USD

A
Cheapest Retailer
-
$348 USD
Retailer 2
-
$422 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$425 USD
View
B+
Retailer 4
-
$583 USD
View
B+
Retailer 5
-
$605 USD
View
B+
Retailer 6
-
$610 USD
View
B+
Retailer 7
-
$620 USD
View
B+
Retailer 8
-
$645 USD
View
B+
Retailer 9
-
$680 USD
View
B+
Retailer 10
-
$735 USD
View
B
Retailer 11
-
$1,093 USD
View
Most Expensive
B
NZ Jewellers
8b9560bd-f81f-4de2-b317-33e2caaca756 · Nov 4
$1,817 USD
View
11 more retailers have this diamond
Prices start from $348 USDSave up to $1,469 USD

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
$348 USD