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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 $11,198 NZD
As of November 4, 2026
Save $7,057 NZD (39%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $25,027 NZD 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: $13,893 NZD|Low: $10,428 NZD|High: $21,105 NZD|Avg: $14,825 NZD|-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$11,198 NZD
Retailer 10$12,353 NZD
Retailer 8$12,515 NZD
Retailer 9$13,765 NZD
Retailer 1$13,893 NZD
Retailer 7$14,352 NZD
Retailer 2$14,825 NZD
Retailer 4$15,414 NZD
Retailer 3$18,255 NZD
Retailer 5$20,797 NZD

44 data points across 10 retailers

22 retailers$11,198 NZD to $18,255 NZD

B+
Cheapest Retailer
-
$11,198 NZD
B
Retailer 2
-
$11,312 NZD
View
B
Retailer 3
-
$11,823 NZD
View
B
Retailer 4
-
$12,353 NZD
View
B
Retailer 5
-
$12,515 NZD
View
B
Retailer 6
-
$12,515 NZD
View
Final sale: no returns
Retailer 7
-
$12,515 NZD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$13,557 NZD
View
B
Retailer 9
-
$13,765 NZD
View
B
Retailer 10
-
$13,893 NZD
View
Retailer 11
-
$14,352 NZD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$14,825 NZD
View
B
Retailer 13
-
$14,943 NZD
View
B
Retailer 14
-
$14,943 NZD
View
B
Retailer 15
-
$15,414 NZD
View
B
Retailer 16
-
$15,642 NZD
View
Retailer 17
-
$16,482 NZD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$16,686 NZD
View
B
Retailer 19
-
$18,255 NZD
View
Retailer 20
-
$20,797 NZD
View
Price under review
Retailer 21
-
$23,046 NZD
View
Price under review
Most Expensive
NZ Jewellers
737a6a91-b54b-421c-9286-5a8cb41be8d6 · Nov 5
$25,027 NZD
$14,069 USD
View
Price under review
21 more retailers have this diamond
Prices start from $11,198 NZDSave up to $7,057 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
$11,198 NZD