Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 6392476992

Certificate GIA 6392476992

Diamond specifications and retailer prices

From $7,180 USD
As of November 4, 2026
Save $2,906 USD (29%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $14,630 USD 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

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $8,859 USD|Low: $6,724 USD|High: $13,608 USD|Avg: $9,719 USD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$7,180 USD
Retailer 7$8,069 USD
Retailer 1$8,859 USD
Retailer 8$8,875 USD
Retailer 6$8,912 USD
Retailer 3$9,928 USD
Retailer 2$11,771 USD
Retailer 4$13,409 USD

44 data points across 8 retailers

22 retailers$7,180 USD to $10,086 USD

B
Cheapest Retailer
-
$7,180 USD
B
Retailer 2
-
$7,314 USD
View
B
Retailer 3
-
$7,555 USD
View
B
Retailer 4
-
$7,927 USD
View
B
Retailer 5
-
$8,030 USD
View
Retailer 6
-
$8,069 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$8,069 USD
View
Final sale: no returns
B
Retailer 8
-
$8,741 USD
View
B
Retailer 9
-
$8,859 USD
View
B
Retailer 10
-
$8,875 USD
View
Retailer 11
-
$8,912 USD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$9,570 USD
View
B
Retailer 13
-
$9,570 USD
View
B
Retailer 14
-
$9,591 USD
View
B
Retailer 15
-
$9,890 USD
View
B
Retailer 16
-
$9,928 USD
View
B
Retailer 17
-
$10,086 USD
View
Retailer 18
-
$10,623 USD
View
Price last confirmed 14 days ago
Retailer 19
-
$11,771 USD
View
Price under review
Retailer 20
-
$13,409 USD
View
Price under review
Most Expensive
Diamond Quarter
1.03SI1E6392EF6AN · Nov 5
$14,630 USD
£11,519 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $7,180 USDSave up to $2,906 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
$7,180 USD