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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 $12,773 NZD
As of November 4, 2026
Save $5,169 NZD (29%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $26,025 NZD 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

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: $15,759 NZD|Low: $11,961 NZD|High: $24,207 NZD|Avg: $17,288 NZD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$12,773 NZD
Retailer 7$14,354 NZD
Retailer 1$15,759 NZD
Retailer 8$15,788 NZD
Retailer 6$15,854 NZD
Retailer 3$17,661 NZD
Retailer 2$20,939 NZD
Retailer 4$23,853 NZD

44 data points across 8 retailers

22 retailers$12,773 NZD to $17,942 NZD

B
Cheapest Retailer
-
$12,773 NZD
B
Retailer 2
-
$13,011 NZD
View
B
Retailer 3
-
$13,440 NZD
View
B
Retailer 4
-
$14,101 NZD
View
B
Retailer 5
-
$14,285 NZD
View
Retailer 6
-
$14,354 NZD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$14,354 NZD
View
Final sale: no returns
B
Retailer 8
-
$15,549 NZD
View
B
Retailer 9
-
$15,759 NZD
View
B
Retailer 10
-
$15,788 NZD
View
Retailer 11
-
$15,854 NZD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$17,024 NZD
View
B
Retailer 13
-
$17,024 NZD
View
B
Retailer 14
-
$17,061 NZD
View
B
Retailer 15
-
$17,593 NZD
View
B
Retailer 16
-
$17,661 NZD
View
B
Retailer 17
-
$17,942 NZD
View
Retailer 18
-
$18,897 NZD
View
Price last confirmed 14 days ago
Retailer 19
-
$20,939 NZD
View
Price under review
Retailer 20
-
$23,853 NZD
View
Price under review
Most Expensive
Diamond Quarter
1.03SI1E6392EF6AN · Nov 5
$26,025 NZD
£11,519 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $12,773 NZDSave up to $5,169 NZD

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
$12,773 NZD