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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1438528883

Certificate GIA 1438528883

Diamond specifications and retailer prices

From $3,545 NZD
As of October 31, 2026
Save $5,018 NZD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,219 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 1438528883. Listed at 21 retailers as of October 31, 2026, with a 142% 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

1.01
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1438528883
Dimensions6.44 × 6.41 × 3.96 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal
Top View
6.44 mm6.41 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1438528883
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: Oct 31
Current: $4,678 NZD|Low: $3,536 NZD|High: $8,666 NZD|Avg: $5,243 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 11$3,545 NZD
Retailer 2$3,647 NZD
Retailer 10$4,088 NZD
Retailer 7$4,275 NZD
Retailer 3$4,504 NZD
Retailer 1$4,678 NZD
Retailer 5$5,141 NZD
Retailer 8$5,506 NZD
Retailer 6$5,682 NZD
Retailer 4$5,965 NZD
Retailer 9$8,563 NZD

30 data points across 11 retailers

21 retailers$3,545 NZD to $8,563 NZD

A
Cheapest Retailer
-
$3,545 NZD
A
Retailer 2
-
$3,647 NZD
View
A
Retailer 3
-
$4,088 NZD
View
Final sale: no returns
A
Retailer 4
-
$4,275 NZD
View
B+
Retailer 5
-
$4,504 NZD
View
B+
Retailer 6
-
$4,678 NZD
View
Retailer 7
-
$4,889 NZD
View
Price last confirmed 8 days ago
Retailer 8
-
$4,972 NZD
View
Price last confirmed 10 days ago
Retailer 9
-
$5,036 NZD
View
Price last confirmed 109 days ago
Retailer 10
-
$5,076 NZD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$5,141 NZD
View
Retailer 12
-
$5,141 NZD
View
Price last confirmed 7 days ago
Retailer 13
-
$5,475 NZD
View
Price last confirmed 30 days ago
B+
Retailer 14
-
$5,506 NZD
View
B
Retailer 15
-
$5,590 NZD
View
B
Retailer 16
-
$5,639 NZD
View
B
Retailer 17
-
$5,682 NZD
View
B+
Retailer 18
-
$5,965 NZD
View
B
Retailer 19
-
$7,445 NZD
View
B
Retailer 20
-
$8,563 NZD
View
Most Expensive
NZ Jewellers
77029f9c-3a9e-492a-b6db-61a7ae985a5a · Oct 30
$10,219 NZD
$5,665 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $3,545 NZDSave up to $5,018 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
1.01ct Round
$3,545 NZD