Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2567265892

Certificate GIA 2567265892

Diamond specifications and retailer prices

From $1,318 USD
As of November 6, 2026
Save $2,970 USD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,288 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2567265892. Listed at 20 retailers as of November 5, 2026, with prices from $1,318 to $4,288, a $2,970 spread on the same certified stone. NZ Jewellers lists it at $4,288. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 2567265892
Dimensions6.14 × 6.23 × 4.01 mm
L/W Ratio1.01
Top View
6.14 mm6.23 mm1.00 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567265892
Side View
Table 56.0%Crown 38°Girdle: ThickPavilion 40°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,288 USD|Low: $1,318 USD|High: $4,330 USD|Avg: $2,037 USD|-1.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 5$1,318 USD
Retailer 2$1,329 USD
Retailer 8$1,555 USD
Retailer 19$1,602 USD
Retailer 14$1,681 USD
Retailer 17$1,758 USD
Retailer 10$1,775 USD
Retailer 11$1,786 USD
Retailer 18$1,820 USD
Retailer 4$1,839 USD
Retailer 12$1,858 USD
Retailer 6$1,895 USD
Retailer 13$1,940 USD
Retailer 16$1,942 USD
Retailer 9$2,029 USD
Retailer 15$2,145 USD
Retailer 7$2,392 USD
Retailer 3$2,555 USD
Retailer 20$3,072 USD
NZ Jewellers$4,288 USD

17 data points across 20 retailers

20 retailers$1,318 USD to $4,288 USD

A
Cheapest Retailer
-
$1,318 USD
A
Retailer 2
-
$1,329 USD
View
A
Retailer 3
-
$1,555 USD
View
A
Retailer 4
-
$1,602 USD
View
A
Retailer 5
-
$1,681 USD
View
B+
Retailer 6
-
$1,758 USD
View
Retailer 7
-
$1,775 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,786 USD
View
B+
Retailer 9
-
$1,820 USD
View
B+
Retailer 10
-
$1,839 USD
View
Retailer 11
-
$1,858 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$1,895 USD
View
B+
Retailer 13
-
$1,940 USD
View
B+
Retailer 14
-
$1,942 USD
View
B+
Retailer 15
-
$2,029 USD
View
B+
Retailer 16
-
$2,145 USD
View
B
Retailer 17
-
$2,392 USD
View
B
Retailer 18
-
$2,555 USD
View
B
Retailer 19
-
$3,072 USD
View
Most Expensive
B
NZ Jewellers
686a5fa4-0f8c-42a8-840b-4f20de2dafd9 · Nov 5
$4,288 USD
View
19 more retailers have this diamond
Prices start from $1,318 USDSave up to $2,970 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
1.00ct Round
$1,318 USD