Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2567386401

Certificate GIA 2567386401

Diamond specifications and retailer prices

From $2,508 USD
As of November 6, 2026
Save $3,302 USD (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,810 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567386401. Listed at 24 retailers as of November 5, 2026, with prices from $2,508 to $5,810, a $3,302 spread on the same certified stone. NZ Jewellers lists it at $5,810. 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

1.00
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle32.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2567386401
Dimensions6.46 × 6.51 × 3.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Pinpoint, Indented Natural
Top View
6.46 mm6.51 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567386401
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $5,810 USD|Low: $2,508 USD|High: $5,810 USD|Avg: $3,833 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 17$2,508 USD
Retailer 2$2,607 USD
Retailer 9$3,045 USD
Retailer 3$3,085 USD
Retailer 15$3,151 USD
Retailer 10$3,191 USD
Retailer 5$3,335 USD
Retailer 7$3,335 USD
Retailer 12$3,409 USD
Retailer 6$3,463 USD
Retailer 11$3,495 USD
Retailer 8$3,848 USD
Retailer 13$3,881 USD
Retailer 14$4,070 USD
Retailer 4$5,429 USD
Retailer 16$5,576 USD
NZ Jewellers$5,810 USD

22 data points across 17 retailers

24 retailers$2,508 USD to $5,810 USD

A
Cheapest Retailer
-
$2,508 USD
A
Retailer 2
-
$2,607 USD
View
B+
Retailer 3
-
$2,985 USD
View
B+
Retailer 4
-
$3,031 USD
View
B+
Retailer 5
-
$3,045 USD
View
B+
Retailer 6
-
$3,078 USD
View
Final sale: no returns
B+
Retailer 7
-
$3,085 USD
View
B+
Retailer 8
-
$3,085 USD
View
B+
Retailer 9
-
$3,151 USD
View
B+
Retailer 10
-
$3,191 USD
View
B+
Retailer 11
-
$3,335 USD
View
Retailer 12
-
$3,335 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$3,360 USD
View
B+
Retailer 14
-
$3,409 USD
View
B+
Retailer 15
-
$3,463 USD
View
B+
Retailer 16
-
$3,478 USD
View
B+
Retailer 17
-
$3,495 USD
View
Retailer 18
-
$3,575 USD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$3,848 USD
View
B+
Retailer 20
-
$3,881 USD
View
B+
Retailer 21
-
$4,070 USD
View
Retailer 22
-
$5,429 USD
View
Price last confirmed 9 days ago
B
Retailer 23
-
$5,576 USD
View
Most Expensive
B
NZ Jewellers
ae5a5c0c-0bba-4116-9fc5-29900e583efa · Nov 5
$5,810 USD
View
23 more retailers have this diamond
Prices start from $2,508 USDSave up to $3,302 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
$2,508 USD