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Round|Natural|GIA

1.03ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2397210978

Certificate GIA 2397210978

Diamond specifications and retailer prices

From $8,992 AUD
As of November 4, 2026
Save $5,667 AUD (39%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $20,098 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 2397210978. Listed at 22 retailers as of November 4, 2026, with a 63% 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2397210978
Dimensions6.56 × 6.54 × 4.01 mm
L/W Ratio1.00
Top View
6.56 mm6.54 mm1.03 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2397210978
Side View
Table 56.0%CrownGirdle: ThinPavilionCulet: NoneDepth 61.2%

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 4
Current: $11,157 AUD|Low: $8,374 AUD|High: $16,948 AUD|Avg: $11,905 AUD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6$8,992 AUD
Retailer 10$9,920 AUD
Retailer 8$10,049 AUD
Retailer 9$11,054 AUD
Retailer 1$11,157 AUD
Retailer 7$11,525 AUD
Retailer 2$11,905 AUD
Retailer 4$12,378 AUD
Retailer 3$14,659 AUD
Retailer 5$16,701 AUD

44 data points across 10 retailers

22 retailers$8,992 AUD to $14,659 AUD

B+
Cheapest Retailer
-
$8,992 AUD
B
Retailer 2
-
$9,084 AUD
View
B
Retailer 3
-
$9,494 AUD
View
B
Retailer 4
-
$9,920 AUD
View
B
Retailer 5
-
$10,049 AUD
View
B
Retailer 6
-
$10,049 AUD
View
Final sale: no returns
Retailer 7
-
$10,049 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$10,887 AUD
View
B
Retailer 9
-
$11,054 AUD
View
B
Retailer 10
-
$11,157 AUD
View
Retailer 11
-
$11,525 AUD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$11,905 AUD
View
B
Retailer 13
-
$11,999 AUD
View
B
Retailer 14
-
$11,999 AUD
View
B
Retailer 15
-
$12,378 AUD
View
B
Retailer 16
-
$12,561 AUD
View
Retailer 17
-
$13,235 AUD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$13,399 AUD
View
B
Retailer 19
-
$14,659 AUD
View
Retailer 20
-
$16,701 AUD
View
Price under review
Retailer 21
-
$18,506 AUD
View
Price under review
Most Expensive
NZ Jewellers
737a6a91-b54b-421c-9286-5a8cb41be8d6 · Nov 5
$20,098 AUD
$14,069 USD
View
Price under review
21 more retailers have this diamond
Prices start from $8,992 AUDSave up to $5,667 AUD

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
$8,992 AUD