Round|Natural|GIA

1.01ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 5221756425

Certificate GIA 5221756425

Diamond specifications and retailer prices

From $1,729 USD
As of November 6, 2026
Save $2,783 USD (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,512 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5221756425. Listed at 18 retailers as of November 5, 2026, with prices from $1,729 to $4,512, a $2,783 spread on the same certified stone. NZ Jewellers lists it at $4,512. 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

1.01
Carat
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5221756425
Dimensions6.40 × 6.34 × 4.00 mm
L/W Ratio1.01
Top View
6.40 mm6.34 mm1.01 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5221756425
Side View
Table 57.0%Crown 36°Girdle: THN-THKPavilion 41°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 6
Current: $4,512 USD|Low: $1,729 USD|High: $4,512 USD|Avg: $2,609 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$1,729 USD
Retailer 8$1,767 USD
Retailer 9$1,820 USD
Retailer 3$1,995 USD
Retailer 10$2,046 USD
Retailer 2$2,331 USD
Retailer 4$2,514 USD
Retailer 6$2,634 USD
Retailer 5$2,737 USD
Retailer 7$3,771 USD
NZ Jewellers$4,512 USD

41 data points across 11 retailers

18 retailers$1,729 USD to $4,512 USD

B+
Cheapest Retailer
-
$1,729 USD
B+
Retailer 2
-
$1,762 USD
View
B+
Retailer 3
-
$1,767 USD
View
B+
Retailer 4
-
$1,820 USD
View
B+
Retailer 5
-
$1,838 USD
View
B+
Retailer 6
-
$1,903 USD
View
Retailer 7
-
$1,955 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,955 USD
View
B+
Retailer 9
-
$1,995 USD
View
B+
Retailer 10
-
$2,046 USD
View
B
Retailer 11
-
$2,256 USD
View
B
Retailer 12
-
$2,331 USD
View
B
Retailer 13
-
$2,514 USD
View
B
Retailer 14
-
$2,634 USD
View
B
Retailer 15
-
$2,737 USD
View
B
Retailer 16
-
$3,099 USD
View
B
Retailer 17
-
$3,771 USD
View
Most Expensive
C
NZ Jewellers
bc1e63d0-236f-45bb-85cb-fee2117aeba2 · Nov 5
$4,512 USD
View
17 more retailers have this diamond
Prices start from $1,729 USDSave up to $2,783 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+
1.01ct Round
$1,729 USD