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Marquise|Natural|GIA

1.00ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 1548811201

Certificate GIA 1548811201

Diamond specifications and retailer prices

From $4,726 NZD
As of November 4, 2026
Save $5,419 NZD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,145 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548811201. Listed at 20 retailers as of November 4, 2026, with prices from $4,726 to $10,145, a $5,419 spread on the same certified stone. NZ Jewellers lists it at $10,145. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548811201
Dimensions10.08 × 5.19 × 3.14 mm
L/W Ratio1.94
Key to symbols
Feather, Cavity, Indented Natural
Top View
10.08 mm5.19 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548811201
Side View
Table 58.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 60.5%

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: $10,145 NZD|Low: $4,057 NZD|High: $10,145 NZD|Avg: $6,372 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3$4,726 NZD
Retailer 9$4,871 NZD
Retailer 5$5,159 NZD
Retailer 12$5,276 NZD
Retailer 13$5,276 NZD
Retailer 11$5,478 NZD
Retailer 6$6,025 NZD
Retailer 10$6,243 NZD
Retailer 2$6,379 NZD
Retailer 4$6,481 NZD
Retailer 7$7,107 NZD
Retailer 8$9,712 NZD
NZ Jewellers$10,145 NZD

45 data points across 13 retailers

20 retailers$4,726 NZD to $10,145 NZD

B+
Cheapest Retailer
-
$4,726 NZD
B
Retailer 2
-
$4,871 NZD
View
Final sale: no returns
B
Retailer 3
-
$4,955 NZD
View
B+
Retailer 4
-
$5,159 NZD
View
B
Retailer 5
-
$5,276 NZD
View
Retailer 6
-
$5,276 NZD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$5,478 NZD
View
Retailer 8
-
$5,807 NZD
View
Price last confirmed 67 days ago
B
Retailer 9
-
$6,007 NZD
View
B
Retailer 10
-
$6,007 NZD
View
B
Retailer 11
-
$6,025 NZD
View
B
Retailer 12
-
$6,088 NZD
View
B
Retailer 13
-
$6,205 NZD
View
Retailer 14
-
$6,243 NZD
View
Price last confirmed 34 days ago
B
Retailer 15
-
$6,379 NZD
View
B
Retailer 16
-
$6,481 NZD
View
Retailer 17
-
$6,756 NZD
View
Price last confirmed 15 days ago
B
Retailer 18
-
$7,107 NZD
View
B
Retailer 19
-
$9,712 NZD
View
Most Expensive
B
NZ Jewellers
f36cd918-2cfb-49aa-91f3-8c1954f56ac2 · Nov 5
$10,145 NZD
$5,624 USD
View
19 more retailers have this diamond
Prices start from $4,726 NZDSave up to $5,419 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+
1.00ct Marquise
$4,726 NZD