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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 3565148837

Certificate GIA 3565148837

Diamond specifications and retailer prices

From $1,664 USD
As of November 6, 2026
Save $2,209 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,739 USD at NZ Jewellers · As of October 17, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565148837. Listed at 17 retailers as of November 4, 2026, with a 133% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3565148837
Dimensions6.45 × 6.50 × 4.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.45 mm6.50 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3565148837
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: $1,667 USD|Low: $1,664 USD|High: $4,108 USD|Avg: $2,483 USD|-7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$1,664 USD
Retailer 1$1,667 USD
Retailer 6$1,998 USD
Retailer 7$2,022 USD
Retailer 10$2,046 USD
Retailer 3$2,417 USD
Retailer 5$2,546 USD
Retailer 4$2,849 USD
Retailer 9$3,215 USD
Retailer 8$3,873 USD

29 data points across 10 retailers

17 retailers$1,664 USD to $3,873 USD

A
Cheapest Retailer
-
$1,664 USD
A
Retailer 2
-
$1,667 USD
View
A
Retailer 3
-
$1,998 USD
View
A
Retailer 4
-
$2,022 USD
View
A
Retailer 5
-
$2,046 USD
View
Final sale: no returns
Retailer 6
-
$2,267 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$2,358 USD
View
Retailer 8
-
$2,393 USD
View
Price last confirmed 60 days ago
A
Retailer 9
-
$2,417 USD
View
Retailer 10
-
$2,424 USD
View
Price last confirmed 22 days ago
A
Retailer 11
-
$2,546 USD
View
Retailer 12
-
$2,616 USD
View
Price last confirmed 19 days ago
Retailer 13
-
$2,761 USD
View
Price last confirmed 60 days ago
B+
Retailer 14
-
$2,849 USD
View
B+
Retailer 15
-
$3,215 USD
View
B+
Retailer 16
-
$3,873 USD
View
Most Expensive
NZ Jewellers
bb24de06-c911-4205-9c7e-acbdd57db605 · Oct 17
$4,739 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from $1,664 USDSave up to $2,209 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
$1,664 USD