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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 $9,171 SGD
As of November 4, 2026
Save $3,712 SGD (29%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,686 SGD 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
Colour
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: $11,316 SGD|Low: $8,589 SGD|High: $17,381 SGD|Avg: $12,414 SGD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$9,171 SGD
Retailer 7$10,307 SGD
Retailer 1$11,316 SGD
Retailer 8$11,336 SGD
Retailer 6$11,383 SGD
Retailer 3$12,681 SGD
Retailer 2$15,035 SGD
Retailer 4$17,127 SGD

44 data points across 8 retailers

22 retailers$9,171 SGD to $12,883 SGD

B
Cheapest Retailer
-
$9,171 SGD
B
Retailer 2
-
$9,342 SGD
View
B
Retailer 3
-
$9,650 SGD
View
B
Retailer 4
-
$10,125 SGD
View
B
Retailer 5
-
$10,257 SGD
View
Retailer 6
-
$10,307 SGD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$10,307 SGD
View
Final sale: no returns
B
Retailer 8
-
$11,165 SGD
View
B
Retailer 9
-
$11,316 SGD
View
B
Retailer 10
-
$11,336 SGD
View
Retailer 11
-
$11,383 SGD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$12,224 SGD
View
B
Retailer 13
-
$12,224 SGD
View
B
Retailer 14
-
$12,251 SGD
View
B
Retailer 15
-
$12,632 SGD
View
B
Retailer 16
-
$12,681 SGD
View
B
Retailer 17
-
$12,883 SGD
View
Retailer 18
-
$13,569 SGD
View
Price last confirmed 14 days ago
Retailer 19
-
$15,035 SGD
View
Price under review
Retailer 20
-
$17,127 SGD
View
Price under review
Most Expensive
Diamond Quarter
1.03SI1E6392EF6AN · Nov 5
$18,686 SGD
£11,519 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $9,171 SGDSave up to $3,712 SGD

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
$9,171 SGD