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Round|Natural|GIA

1.00ct K I1 Round Natural Diamond

VG • K/I1 • GIA 3415873077

Certificate GIA 3415873077

Diamond specifications and retailer prices

From $1,638 USD
As of November 4, 2026
Save $2,922 USD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,560 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 3415873077. Listed at 12 retailers as of November 4, 2026, with prices from $1,638 to $4,560, a $2,922 spread on the same certified stone. NZ Jewellers lists it at $4,560. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 3415873077
Dimensions6.32 × 6.28 × 3.99 mm
L/W Ratio1.01
Top View
6.32 mm6.28 mm1.00 ctK / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 3415873077
Side View
Table 56.0%Crown 36.5°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.3%

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: $4,560 USD|Low: $1,625 USD|High: $4,560 USD|Avg: $2,368 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
November 4, 2026
Retailer 6$1,638 USD
Retailer 5$1,740 USD
Retailer 7$1,785 USD
Retailer 9$1,808 USD
Retailer 10$1,976 USD
Retailer 12$1,976 USD
Retailer 8$2,067 USD
Retailer 11$2,280 USD
Retailer 3$2,595 USD
Retailer 2$2,715 USD
Retailer 4$3,108 USD
NZ Jewellers$4,560 USD

24 data points across 12 retailers

12 retailers$1,638 USD to $4,560 USD

B+
Cheapest Retailer
-
$1,638 USD
B
Retailer 2
-
$1,740 USD
View
B
Retailer 3
-
$1,785 USD
View
B
Retailer 4
-
$1,808 USD
View
Retailer 5
-
$1,976 USD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$1,976 USD
View
B
Retailer 7
-
$2,067 USD
View
Retailer 8
-
$2,280 USD
View
Price last confirmed 60 days ago
B
Retailer 9
-
$2,280 USD
View
B
Retailer 10
-
$2,715 USD
View
Retailer 11
-
$4,560 USD
View
Price last confirmed 57 days ago
Most Expensive
C
NZ Jewellers
747e0698-a5df-4deb-917b-8a5415e50cd7 · Nov 5
$4,560 USD
View
11 more retailers have this diamond
Prices start from $1,638 USDSave up to $2,922 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
$1,638 USD