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Round|Natural|GIA

1.01ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6541985573

Certificate GIA 6541985573

Diamond specifications and retailer prices

From $2,812 NZD
As of November 6, 2026
Save $5,080 NZD (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,892 NZD at NZ Jewellers · As of September 21, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6541985573. Listed at 20 retailers as of November 5, 2026, with a 181% 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6541985573
Dimensions6.39 × 6.40 × 4.00 mm
L/W Ratio1.00
Top View
6.39 mm6.40 mm1.01 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541985573
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NDepth 62.6%

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: Nov 6
Current: $2,812 NZD|Low: $2,812 NZD|High: $6,692 NZD|Avg: $4,593 NZD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$2,812 NZD
Retailer 7$3,485 NZD
Retailer 2$4,077 NZD
Retailer 4$4,340 NZD
Retailer 5$4,607 NZD
Retailer 8$4,654 NZD
Retailer 3$4,802 NZD
Retailer 6$6,595 NZD

40 data points across 8 retailers

20 retailers$2,812 NZD to $7,892 NZD

A
Cheapest Retailer
-
$2,812 NZD
B+
Retailer 2
-
$3,310 NZD
View
B+
Retailer 3
-
$3,411 NZD
View
B+
Retailer 4
-
$3,485 NZD
View
Final sale: no returns
Retailer 5
-
$3,776 NZD
View
Price last confirmed 44 days ago
Retailer 6
-
$3,776 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,776 NZD
View
B+
Retailer 8
-
$3,824 NZD
View
B+
Retailer 9
-
$3,949 NZD
View
B+
Retailer 10
-
$4,025 NZD
View
B+
Retailer 11
-
$4,077 NZD
View
B
Retailer 12
-
$4,340 NZD
View
B
Retailer 13
-
$4,356 NZD
View
Retailer 14
-
$4,356 NZD
View
Price last confirmed 45 days ago
B+
Retailer 15
-
$4,607 NZD
View
Retailer 16
-
$4,654 NZD
View
Price last confirmed 32 days ago
B+
Retailer 17
-
$4,802 NZD
View
B
Retailer 18
-
$6,595 NZD
View
B
Retailer 19
-
$7,892 NZD
View
Most Expensive
NZ Jewellers
fc881e6b-95b8-4248-a7c6-d5d1784db456 · Sep 21
$7,892 NZD
$4,375 USD
View
Price last confirmed 45 days ago
19 more retailers have this diamond
Prices start from $2,812 NZDSave up to $5,080 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
$2,812 NZD