Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2235458854

Certificate GIA 2235458854

Diamond specifications and retailer prices

From $2,936 USD
As of November 6, 2026
Save $3,164 USD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,100 USD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 2235458854. Listed at 10 retailers as of November 5, 2026, with prices from $2,936 to $6,100, a $3,164 spread on the same certified stone. Diamond Quarter lists it at $6,100. 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 angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2235458854
Dimensions6.55 × 6.52 × 4.04 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Top View
6.55 mm6.52 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235458854
Side View
Table 59.0%Crown 36°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.7%

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: $4,155 USD|Low: $2,780 USD|High: $4,747 USD|Avg: $3,666 USD|+2.2%
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
November 5, 2026
Retailer 11$2,780 USD
Retailer 8$2,936 USD
Retailer 7$2,970 USD
Retailer 13$2,984 USD
Retailer 6$3,209 USD
Retailer 9$3,508 USD
Retailer 10$3,730 USD
Retailer 3$3,890 USD
Retailer 12$3,890 USD
Retailer 14$3,958 USD
Retailer 2$4,020 USD
Retailer 1$4,155 USD
Retailer 4$4,516 USD
Retailer 5$4,747 USD

21 data points across 14 retailers

10 retailers$2,936 USD to $6,100 USD

B+
Cheapest Retailer
-
$2,936 USD
A
Retailer 2
-
$2,970 USD
View
B+
Retailer 3
-
$2,984 USD
View
B+
Retailer 4
-
$3,508 USD
View
B
Retailer 5
-
$3,730 USD
View
B+
Retailer 6
-
$3,890 USD
View
B+
Retailer 7
-
$3,890 USD
View
B+
Retailer 8
-
$4,020 USD
View
B+
Retailer 9
-
$4,155 USD
View
Most Expensive
B
Diamond Quarter
1.05SI2F225422B5N · Nov 5
$6,100 USD
£4,803 GBP
View
9 more retailers have this diamond
Prices start from $2,936 USDSave up to $3,164 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
$2,936 USD