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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1548725237

Certificate GIA 1548725237

Diamond specifications and retailer prices

From $3,601 NZD
As of November 6, 2026
Save $6,498 NZD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,098 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1548725237. Listed at 18 retailers as of November 5, 2026, with prices from $3,601 to $10,098, a $6,498 spread on the same certified stone. NZ Jewellers lists it at $10,098. 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

1.05
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1548725237
Dimensions6.44 × 6.48 × 4.08 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Knot, Needle
Top View
6.44 mm6.48 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548725237
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,622 NZD|Low: $3,555 NZD|High: $8,563 NZD|Avg: $5,080 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$3,601 NZD
Retailer 11$3,952 NZD
Retailer 9$3,960 NZD
Retailer 10$4,037 NZD
Retailer 3$4,578 NZD
Retailer 1$4,622 NZD
Retailer 4$5,082 NZD
Retailer 2$5,410 NZD
Retailer 7$5,430 NZD
Retailer 5$5,895 NZD
Retailer 6$8,439 NZD

41 data points across 11 retailers

18 retailers$3,601 NZD to $10,098 NZD

A
Cheapest Retailer
-
$3,601 NZD
A
Retailer 2
-
$3,952 NZD
View
A
Retailer 3
-
$3,960 NZD
View
A
Retailer 4
-
$4,037 NZD
View
Final sale: no returns
B+
Retailer 5
-
$4,376 NZD
View
Retailer 6
-
$4,376 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,578 NZD
View
B+
Retailer 8
-
$4,622 NZD
View
B+
Retailer 9
-
$5,033 NZD
View
B+
Retailer 10
-
$5,033 NZD
View
B+
Retailer 11
-
$5,049 NZD
View
B+
Retailer 12
-
$5,082 NZD
View
B+
Retailer 13
-
$5,195 NZD
View
Retailer 14
-
$5,410 NZD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$5,430 NZD
View
B+
Retailer 16
-
$5,895 NZD
View
B
Retailer 17
-
$8,439 NZD
View
Most Expensive
B
NZ Jewellers
c21700ea-8b83-4934-b62a-871d0c649982 · Nov 5
$10,098 NZD
$5,598 USD
View
17 more retailers have this diamond
Prices start from $3,601 NZDSave up to $6,498 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.

A
1.05ct Round
$3,601 NZD