Round|Natural|GIA

1.03ct F SI2 Round Natural Diamond

GD • F/SI2 • GIA 6291496559

Certificate GIA 6291496559

Diamond specifications and retailer prices

From $2,772 USD
As of November 6, 2026
Save $4,401 USD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,173 USD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 6291496559. Listed at 13 retailers as of November 6, 2026, with prices from $2,772 to $7,173, a $4,401 spread on the same certified stone. Diamond Quarter lists it at $7,173. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
F
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6291496559
Dimensions6.22 × 6.19 × 4.09 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
6.22 mm6.19 mm1.03 ctF / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6291496559
Side View
Table 63.0%Crown 38.5°Girdle: THK-VTKPavilion 41.8°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,513 USD|Low: $2,772 USD|High: $5,952 USD|Avg: $3,769 USD|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$2,772 USD
Retailer 7$2,805 USD
Retailer 8$2,933 USD
Retailer 3$3,095 USD
Retailer 12$3,095 USD
Retailer 10$3,214 USD
Retailer 1$3,513 USD
Retailer 2$3,571 USD
Retailer 4$3,872 USD
Retailer 5$3,967 USD
Retailer 6$5,697 USD
Retailer 11$5,952 USD

43 data points across 12 retailers

13 retailers$2,772 USD to $7,173 USD

B+
Cheapest Retailer
-
$2,772 USD
B+
Retailer 2
-
$2,805 USD
View
B+
Retailer 3
-
$2,933 USD
View
B+
Retailer 4
-
$3,095 USD
View
Retailer 5
-
$3,095 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,214 USD
View
B
Retailer 7
-
$3,513 USD
View
B
Retailer 8
-
$3,571 USD
View
Retailer 9
-
$3,872 USD
View
Price last confirmed 14 days ago
B
Retailer 10
-
$3,967 USD
View
B
Retailer 11
-
$5,697 USD
View
C
Retailer 12
-
$5,952 USD
View
Most Expensive
C
Diamond Quarter
1.03SI2F62599220N · Nov 6
$7,173 USD
£5,648 GBP
View
12 more retailers have this diamond
Prices start from $2,772 USDSave up to $4,401 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.

B+
1.03ct Round
$2,772 USD