Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6541494535

Certificate GIA 6541494535

Diamond specifications and retailer prices

From $2,521 USD
As of November 6, 2026
Save $2,706 USD (52%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,632 USD at NZ Jewellers · As of September 25, 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 6541494535. Listed at 19 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
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6541494535
Dimensions6.44 × 6.49 × 4.00 mm
L/W Ratio1.01
Top View
6.44 mm6.49 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541494535
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: $3,204 USD|Low: $2,253 USD|High: $5,471 USD|Avg: $3,396 USD|-1.9%
Retailer 1
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 17$2,521 USD
Retailer 10$2,707 USD
Retailer 14$2,847 USD
Retailer 9$2,874 USD
Retailer 2$2,893 USD
Retailer 15$2,982 USD
Retailer 3$2,985 USD
Retailer 8$3,065 USD
Retailer 1$3,204 USD
Retailer 7$3,321 USD
Retailer 18$3,333 USD
Retailer 4$3,460 USD
Retailer 6$3,466 USD
Retailer 5$3,508 USD
Retailer 11$3,641 USD
Retailer 12$3,825 USD
Retailer 16$5,043 USD
Retailer 13$5,227 USD

26 data points across 18 retailers

19 retailers$2,521 USD to $5,227 USD

A
Cheapest Retailer
-
$2,521 USD
A
Retailer 2
-
$2,847 USD
View
A
Retailer 3
-
$2,893 USD
View
Final sale: no returns
A
Retailer 4
-
$2,982 USD
View
B+
Retailer 5
-
$2,985 USD
View
Retailer 6
-
$3,065 USD
View
Price last confirmed 36 days ago
B+
Retailer 7
-
$3,204 USD
View
Retailer 8
-
$3,321 USD
View
Price last confirmed 44 days ago
Retailer 9
-
$3,321 USD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$3,326 USD
View
B+
Retailer 11
-
$3,333 USD
View
B+
Retailer 12
-
$3,460 USD
View
Retailer 13
-
$3,466 USD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
$3,508 USD
View
B+
Retailer 15
-
$3,641 USD
View
B+
Retailer 16
-
$3,825 USD
View
B
Retailer 17
-
$5,043 USD
View
B
Retailer 18
-
$5,227 USD
View
Most Expensive
NZ Jewellers
20ff54bb-8814-4b34-b9ed-4fb072bf2a3e · Sep 25
$5,632 USD
View
Price last confirmed 42 days ago
18 more retailers have this diamond
Prices start from $2,521 USDSave up to $2,706 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
$2,521 USD