Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6461065516

Certificate GIA 6461065516

Diamond specifications and retailer prices

From $2,155 USD
As of November 1, 2026
Save $3,220 USD (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,375 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6461065516. Listed at 12 retailers as of November 1, 2026, with prices from $2,155 to $5,375, a $3,220 spread on the same certified stone. NZ Jewellers lists it at $5,375. 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

1.03
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6461065516
Dimensions6.45 × 6.40 × 4.03 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.45 mm6.40 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6461065516
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,375 USD|Low: $2,155 USD|High: $5,375 USD|Avg: $3,205 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$2,155 USD
Retailer 7$2,310 USD
Retailer 9$2,329 USD
Retailer 8$2,437 USD
Retailer 2$2,704 USD
Retailer 4$3,138 USD
Retailer 3$3,185 USD
Retailer 5$4,491 USD
NZ Jewellers$5,375 USD

43 data points across 9 retailers

12 retailers$2,155 USD to $5,375 USD

B+
Cheapest Retailer
-
$2,155 USD
B+
Retailer 2
-
$2,306 USD
View
B+
Retailer 3
-
$2,310 USD
View
B+
Retailer 4
-
$2,329 USD
View
Retailer 5
-
$2,329 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$2,437 USD
View
B
Retailer 7
-
$2,688 USD
View
B
Retailer 8
-
$2,704 USD
View
B
Retailer 9
-
$3,138 USD
View
B
Retailer 10
-
$3,185 USD
View
B
Retailer 11
-
$4,491 USD
View
Most Expensive
C
NZ Jewellers
55a41621-d0ae-48a8-baa9-27d75a5304a0 · Nov 5
$5,375 USD
View
11 more retailers have this diamond
Prices start from $2,155 USDSave up to $3,220 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.

B+
1.03ct Round
$2,155 USD