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Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6392476992

Certificate GIA 6392476992

Diamond specifications and retailer prices

From $10,028 CAD
As of November 4, 2026
Save $4,059 CAD (29%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $20,432 CAD at Diamond Quarter · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6392476992. Listed at 22 retailers as of November 4, 2026, with a 40% 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

1.03
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6392476992
Dimensions6.68 × 6.63 × 3.92 mm
L/W Ratio1.01
Top View
6.68 mm6.63 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6392476992
Side View
Table 60.0%CrownGirdle: ThinPavilionCulet: NoneDepth 58.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,372 CAD|Low: $9,391 CAD|High: $19,005 CAD|Avg: $13,573 CAD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$10,028 CAD
Retailer 7$11,269 CAD
Retailer 1$12,372 CAD
Retailer 8$12,395 CAD
Retailer 6$12,446 CAD
Retailer 3$13,865 CAD
Retailer 2$16,439 CAD
Retailer 4$18,727 CAD

44 data points across 8 retailers

22 retailers$10,028 CAD to $14,086 CAD

B
Cheapest Retailer
-
$10,028 CAD
B
Retailer 2
-
$10,215 CAD
View
B
Retailer 3
-
$10,551 CAD
View
B
Retailer 4
-
$11,071 CAD
View
B
Retailer 5
-
$11,215 CAD
View
Retailer 6
-
$11,269 CAD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$11,269 CAD
View
Final sale: no returns
B
Retailer 8
-
$12,208 CAD
View
B
Retailer 9
-
$12,372 CAD
View
B
Retailer 10
-
$12,395 CAD
View
Retailer 11
-
$12,446 CAD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$13,365 CAD
View
B
Retailer 13
-
$13,365 CAD
View
B
Retailer 14
-
$13,395 CAD
View
B
Retailer 15
-
$13,812 CAD
View
B
Retailer 16
-
$13,865 CAD
View
B
Retailer 17
-
$14,086 CAD
View
Retailer 18
-
$14,836 CAD
View
Price last confirmed 14 days ago
Retailer 19
-
$16,439 CAD
View
Price under review
Retailer 20
-
$18,727 CAD
View
Price under review
Most Expensive
Diamond Quarter
1.03SI1E6392EF6AN · Nov 5
$20,432 CAD
£11,519 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $10,028 CADSave up to $4,059 CAD

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
$10,028 CAD