Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6562453303

Certificate GIA 6562453303

Diamond specifications and retailer prices

From $2,541 USD
As of November 4, 2026
Save $2,715 USD (52%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,491 USD at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct 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 6562453303. Listed at 18 retailers as of November 4, 2026, with a 107% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.05
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6562453303
Dimensions6.52 × 6.47 × 4.00 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.52 mm6.47 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562453303
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

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 4
Current: $5,491 USD|Low: $2,541 USD|High: $6,007 USD|Avg: $3,455 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 9$2,541 USD
Retailer 7$2,822 USD
Retailer 5$2,825 USD
Retailer 8$2,867 USD
Retailer 10$2,909 USD
Retailer 2$3,016 USD
Retailer 3$3,152 USD
Retailer 14$3,243 USD
Retailer 18$3,273 USD
Retailer 17$3,349 USD
Retailer 13$3,438 USD
Retailer 6$3,526 USD
Retailer 16$3,616 USD
Retailer 11$3,619 USD
Retailer 4$3,637 USD
Retailer 12$3,847 USD
Retailer 15$5,256 USD
NZ Jewellers$5,491 USD

26 data points across 18 retailers

18 retailers$2,541 USD to $5,256 USD

A
Cheapest Retailer
-
$2,541 USD
A
Retailer 2
-
$2,822 USD
View
A
Retailer 3
-
$2,825 USD
View
A
Retailer 4
-
$2,867 USD
View
B+
Retailer 5
-
$2,909 USD
View
Final sale: no returns
A
Retailer 6
-
$3,016 USD
View
Retailer 7
-
$3,152 USD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
$3,243 USD
View
Retailer 9
-
$3,273 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
$3,349 USD
View
B+
Retailer 11
-
$3,438 USD
View
B+
Retailer 12
-
$3,526 USD
View
B+
Retailer 13
-
$3,616 USD
View
B+
Retailer 14
-
$3,619 USD
View
Retailer 15
-
$3,637 USD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
$3,847 USD
View
B
Retailer 17
-
$5,256 USD
View
Most Expensive
NZ Jewellers
f19ef100-26c7-4cd5-b84d-7b28f8117454 · Oct 23
$5,491 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from $2,541 USDSave up to $2,715 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
1.05ct Round
$2,541 USD