Round|Natural|GIA

1.00ct K I1 Round Natural Diamond

VG • K/I1 • GIA 1329430627

Certificate GIA 1329430627

Diamond specifications and retailer prices

From $1,190 USD
As of November 4, 2026
Save $2,733 USD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,923 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and I1 clarity (included), with a very-good cut grade and certified by GIA 1329430627. Listed at 10 retailers as of November 4, 2026, with prices from $1,190 to $3,923, a $2,733 spread on the same certified stone. NZ Jewellers lists it at $3,923. 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

1.00
Carat
K
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1329430627
Dimensions6.25 × 6.20 × 3.98 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud
Top View
6.25 mm6.20 mm1.00 ctK / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1329430627
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 64.0%

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 4
Current: $3,923 USD|Low: $1,177 USD|High: $3,923 USD|Avg: $1,894 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4$1,190 USD
Retailer 5$1,285 USD
Retailer 3$1,491 USD
Retailer 10$1,591 USD
Retailer 6$1,608 USD
Retailer 8$1,608 USD
Retailer 7$1,683 USD
Retailer 9$1,856 USD
Retailer 11$1,938 USD
Retailer 2$2,181 USD
NZ Jewellers$3,923 USD

21 data points across 11 retailers

10 retailers$1,190 USD to $3,923 USD

B+
Cheapest Retailer
-
$1,190 USD
B+
Retailer 2
-
$1,285 USD
View
B+
Retailer 3
-
$1,491 USD
View
B
Retailer 4
-
$1,591 USD
View
B
Retailer 5
-
$1,608 USD
View
Retailer 6
-
$1,608 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$1,683 USD
View
B
Retailer 8
-
$1,856 USD
View
B
Retailer 9
-
$2,181 USD
View
Most Expensive
C
NZ Jewellers
a308b5e3-fab8-487f-851e-bb3c4a952bc0 · Nov 5
$3,923 USD
View
9 more retailers have this diamond
Prices start from $1,190 USDSave up to $2,733 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+
1.00ct Round
$1,190 USD