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Round|Natural|GIA

1.00ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1565410290

Certificate GIA 1565410290

Diamond specifications and retailer prices

From $2,406 USD
As of November 6, 2026
Save $3,141 USD (57%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,547 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 1565410290. Listed at 24 retailers as of November 5, 2026, with prices from $2,406 to $5,547, a $3,141 spread on the same certified stone. NZ Jewellers lists it at $5,547. 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
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1565410290
Dimensions6.39 × 6.41 × 3.92 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
6.39 mm6.41 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565410290
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.3%

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: $5,547 USD|Low: $2,380 USD|High: $5,547 USD|Avg: $3,617 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
Retailer 18
November 6, 2026
Retailer 3$2,406 USD
Retailer 2$2,493 USD
Retailer 15$2,797 USD
Retailer 17$2,910 USD
Retailer 10$2,939 USD
Retailer 4$2,945 USD
Retailer 11$3,047 USD
Retailer 5$3,184 USD
Retailer 7$3,184 USD
Retailer 13$3,274 USD
Retailer 6$3,307 USD
Retailer 12$3,337 USD
Retailer 9$3,674 USD
Retailer 16$3,703 USD
Retailer 14$3,886 USD
Retailer 8$5,302 USD
Retailer 18$5,325 USD
NZ Jewellers$5,547 USD

21 data points across 18 retailers

24 retailers$2,406 USD to $5,547 USD

A
Cheapest Retailer
-
$2,406 USD
A
Retailer 2
-
$2,493 USD
View
A
Retailer 3
-
$2,797 USD
View
B+
Retailer 4
-
$2,853 USD
View
B+
Retailer 5
-
$2,905 USD
View
B+
Retailer 6
-
$2,910 USD
View
B+
Retailer 7
-
$2,939 USD
View
Final sale: no returns
B+
Retailer 8
-
$2,945 USD
View
B+
Retailer 9
-
$2,945 USD
View
B+
Retailer 10
-
$3,047 USD
View
B+
Retailer 11
-
$3,184 USD
View
Retailer 12
-
$3,184 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$3,220 USD
View
B+
Retailer 14
-
$3,274 USD
View
B+
Retailer 15
-
$3,307 USD
View
B+
Retailer 16
-
$3,327 USD
View
B+
Retailer 17
-
$3,337 USD
View
Retailer 18
-
$3,414 USD
View
Price last confirmed 33 days ago
B+
Retailer 19
-
$3,674 USD
View
B+
Retailer 20
-
$3,703 USD
View
B+
Retailer 21
-
$3,886 USD
View
Retailer 22
-
$5,302 USD
View
Price last confirmed 9 days ago
B
Retailer 23
-
$5,325 USD
View
Most Expensive
B
NZ Jewellers
825c2c48-2507-4220-9faf-f08f54ee642f · Nov 5
$5,547 USD
View
23 more retailers have this diamond
Prices start from $2,406 USDSave up to $3,141 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
$2,406 USD